| Sandvik Intellectual Property AB Patent applications |
| Patent application number | Title | Published |
|---|
| 20120114442 | COATED CUTTING TOOL FOR METAL CUTTING APPLICATIONS GENERATING HIGH TEMPERATURES - The present invention relates to a cutting tool insert comprising a body of cemented carbide, cermet, ceramics, high speed steel (HSS), polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN), a hard and wear resistant coating is applied, grown by physical vapour deposition (PVD) such as cathodic arc evaporation or magnetron sputtering. Said coating comprises at least one layer of (Zr | 05-10-2012 |
| 20120114426 | ROCK BOLT WITH MECHANICAL ANCHOR - A rock bolt comprising a shaft having first and second ends, and an anchoring device operative to retain the bolt when located in a drilled hole and comprising a mandrel mounted to, or integrally formed with, the shaft and at least one expansion element overlaying the mandrel, at least one of the mandrel or the at least one expansion element being a movable member and being able to rotate relative to, and move axially along, the shaft, the at least one expansion element being arranged to be displaced radially outwardly on a predetermined relative movement between the mandrel and the at least one expansion element, wherein when disposed on a first portion of the shaft, rotation of the movable member relative to the shaft causes axial movement of that member along the shaft, and when disposed on a second portion of the shaft, the movable member is able to rotate on the shaft without being biased to move axially along the shaft. | 05-10-2012 |
| 20120104830 | Grading Pick With Extended Fins - A tool pick including a head portion, a larger diameter shoulder positioned rearwardly adjacent to the head portion and joined to the head portion at a junction, and a shank extending rearwardly with respect to the shoulder. Two or more fins extend generally radially outward from the head portion and the shoulder, each fin having an outer surface sloping outwardly and rearwardly from the head portion and a pair of side surfaces, a rear end of each fin being located rearward of the junction between the head portion and the shoulder, the fins defining a maximum diameter of at least about 105% of the diameter of the shoulder such that the outer surface of the fin at an axial position aligned with the junction is located radially outward with respect to the junction. | 05-03-2012 |
| 20120103471 | Shaped Carbide Tips, Carbide-Tipped Teeth, And Tools With Same - A carbide cutting tip including a rear surface and a bottom surface for mounting the tip to a cutting tool tooth, a top surface having a pair of peaks separated by a trough, the top surface including a frontward facet and a rearward facet sloped downwardly and rearwardly at a non-zero angle α with respect to the frontward facet, and a front surface having a substantially flat lower portion and a concave upper portion having a shape defined by a segment of an ellipse, the lower portion being disposed substantially perpendicularly to the frontward facet of the top surface, the lower portion and the upper portion joining at a break point located at the apex of the major axis of the ellipse, the major axis of the ellipse being canted frontwardly from the break point at a non-zero angle β with respect to the lower portion of the front surface. | 05-03-2012 |
| 20120098326 | Reduced Volume Cutting Tip and Cutting Bit Incorporating Same - A cutting bit includes a tool pick having a head and a shank, and a cutting tip having a body, a cap extending frontwardly from the body, and a base extending rearwardly from the body. The base defines an outer diameter of the cutting tip and a substantially flat rear surface at the rear of the cutting tip. A post extends axially frontwardly from a front surface of the head of the tool pick. A cavity extends axially frontwardly into the base from the rear surface of the cutting tip, the cavity having a diameter equal to or less than about 40% of the outer diameter of the cutting tip. When the cutting tip is mounted to the tool pick, the post is received into the cavity and a portion of the front surface of the tool pick mates with a portion of the rear surface of the cutting tip. | 04-26-2012 |
| 20120056751 | METHOD AND SYSTEM FOR INTEGRATING SENSORS ON AN AUTONOMOUS MINING DRILLING RIG - An autonomous drilling rig ( | 03-08-2012 |
| 20120035739 | DESIGNED SURFACES FOR USE IN MEDICAL IMPLANTS OR INSTRUMENTS - A medical implant device or component thereof comprising a metal substrate and a coating layer structure provided on the substrate. The coating layer structure comprises an outermost layer of a ceramic material. A bonding structure is deposited between the metal substrate and the coating layer structure. The bonding structure comprises a chromium rich layer, which is deposited onto the metal substrate surface and has a higher concentration of chromium than the metal substrate, as well as a gradient layer having a composition gradient from the chromium rich layer towards the surface of the device providing increasing proportions of a gradient material which has structural correspondence with the layer of the coating layer structure that is most adjacent to the bonding structure. | 02-09-2012 |
| 20120034126 | STAINLESS AUSTENITIC LOW Ni STEEL ALLOY - An austenitic stainless steel alloy having the following composition in percent of weight (wt %): 0.02≦C≦0.06; Si<1.0; 2.0≦Mn≦6.0; 2.0≦Ni≦4.5; 17≦Cr≦19; 2.0≦Cu≦4.0; 0.15≦N≦0.25; 0≦Mo≦1.0; 0≦W≦0.3; 0≦V≦0.3; 0≦Ti≦0.5; 0≦Al≦1.0; 0≦Nb≦0.5; 0≦Co≦1.0; the balance Fe and normally occurring impurities, wherein the contents of the alloying elements are balanced so that the following conditions are fulfilled: | 02-09-2012 |
| 20120028772 | ROLLER COMPRISING A DRIVE SHAFT AND A ROLLER RING, AS WELL AS A METHOD FOR ASSEMBLING SUCH A ROLLER - The invention relates to a roller of the type that comprises, on one hand, a drive shaft, which has a cylindrical envelope surface having a certain outer diameter and a certain length, and, on the other hand, a shorter roller ring, which includes an outer ring of a hard material and an inner ring concentric with the same and of a more ductile material, which includes a cylindrical inside having a certain inner diameter and is, on one hand, permanently united to the outer ring in a metallurgical way, and, on the other hand, rotationally rigidly connected with the drive shaft in order to, from the same, transfer torque to the outer ring. According to the invention, the rotationally rigid joint between the drive shaft and the roller ring solely consists of a shrink-fit joint that is established between the envelope surface of the drive shaft and the inside of the inner ring and has an interference of at least 0.01% of the outer diameter of the drive shaft. | 02-02-2012 |
| 20120025591 | ROTATABLE GRADING PICK WITH DEBRIS CLEARING FEATURE - A rotatable grading pick has a head portion, a shank portion extending rearwardly from the head portion, and a polygonal portion on the rotatable grading pick. At least a portion of the outer perimeter of the polygonal portion can be engaged by a tool so that the polygonal portion can be rotated, and the shank portion can be rotated to clear debris between the shank portion and a retainer placed around a part of the shank portion. | 02-02-2012 |
| 20120019044 | Holder Block for Both Radial and Conical Tool Picks - A holder block and pick assembly including a pick, a washer, and a block body. The pick includes a shoulder and a shank extending rearwardly from the shoulder and having a diameter smaller than the diameter of the shoulder. The washer has a central opening adapted to fit about the shank adjacent to the shoulder and a substantially flat edge disposed substantially perpendicular to a radius of the central opening. The block body includes a bore for receiving the shank, a base surface at a lower end of the body for mounting the body to a rotatable element of a rotary cutting machine, and a stop extending frontwardly from the front face of the body and having a surface located substantially perpendicularly to a radius of the bore such that when the pick shank is inserted into the bore with the washer disposed about the shank adjacent to the shoulder, the flat edge of the washer engages the surface of the stop to substantially prevent the washer from rotating with respect to the block. | 01-26-2012 |
| 20120013123 | THREADED THIN-WALLED DRILL TUBE JOINT - A member of a joint for a thin-walled drill tube presents a central axis and comprises a thread for forming a screw joint. The thread presents a thread bottom, a thread top, a pressure flank and a clearance flank. The pressure flank presents a portion having a negative angle less than 7.5°, but at least 0°, relative to a direction perpendicular to the central axis. | 01-19-2012 |
| 20120006923 | CONE CRUSHER - An inertia cone crusher, including an outer crushing shell and an inner crushing shell forming between them a crushing chamber, the inner crushing shell being supported on a crushing head which is attached on a crushing shaft which is rotatable in a sleeve, an unbalance weight being attached to the sleeve, a vertical drive shaft being connected to the sleeve for rotating the sleeve, the drive shaft being supported by a drive shaft bearing, and a first counterbalance weight and a second counterbalance weight, the first counterbalance weight being attached to the drive shaft in a position located below the drive shaft bearing, the second counterbalance weight being attached to the drive shaft in a position located above the drive shaft bearing. | 01-12-2012 |
| 20120006918 | GYRATORY CRUSHER HAVING A SEAL ARRANGEMENT - A gyratory crusher, including an outer crushing shell and an inner crushing shell forming between them a crushing chamber, the crushing chamber communicating with a discharge zone that forwards crushed material from the crushing chamber and out of the crusher. The inner crushing shell is supported on a crushing head. The outer crushing shell is supported on a crusher frame. At least one sealing arrangement is between the discharge zone and a working part zone in which at least one bearing for the crushing head to perform a gyratory movement relative to the crusher frame is arranged. The sealing arrangement includes a sealing surface, and a sealing member arranged to seal against the sealing surface and including an inner circumferential flexible sealing lip, an outer circumferential flexible sealing lip and at least one inlet for pressurized fluid to be supplied to an overpressure zone arranged between the inner and outer sealing lips and the sealing surface. One of the sealing member and the sealing surface is arranged in connection to the crushing head, and the other of the sealing member and the sealing surface is arranged in connection to the crusher frame. | 01-12-2012 |
| 20110311326 | SHIM PLATE FOR TOOLS FOR CUTTING MACHINING AS WELL AS A TOOL - A shim plate for mounting in a cutting tool for rotary chip removing machining, the cutting tool including a basic body having a rotational axis, a peripheral envelope surface concentric with the rotational axis, a front end surface, and at least one insert seat including a seat surface, the basic body being rotatable in a direction of rotation and arranged to, in each insert seat against the seat surface, receive the shim plate and a mountable cutting insert adjacent to the shim plate. The shim plate includes a bottom surface adapted to adjoin to the seat surface of the basic body, a contact surface opposite to the bottom surface and adapted to adjoin to the cutting insert, and at least one side surface that extends between the bottom surface and the contact surface. In a radial cross-section orthogonal to the rotational axis and traversing the shim plate, an imaginary straight line (a) associated with the bottom surface, intersecting a point (a | 12-22-2011 |
| 20110299948 | CEMENTED CARBIDE INSERT AS WELL AS A CEMENTED CARBIDE BLANK FOR THE MANUFACTURE OF SUCH CUTTING INSERTS - A cemented carbide insert, including an upper side, an under side, a plurality of side surfaces extending between the upper side and the underside, and an inset including a cutting edge. The cutting edge includes a nose edge and two main edges converging toward the nose edge. The inset is formed of a material that is harder than the cemented carbide, and is countersunk in the surrounding cemented carbide and co-ground with the surrounding cemented carbide. The inset is arranged in a front, wedge-shaped head delimited by one chip surface and two clearance surfaces running along the main edges. The inset transforms into an adjacent body part via limiting surfaces situated inside imaginary planes in the extension of the chip surface and the clearance surfaces. | 12-08-2011 |
| 20110290925 | DUST SEAL FOR GYRATORY CRUSHER - A gyratory crusher including a crusher head on which a first crushing shell is mounted, a frame on which a second crushing shell is mounted, the first and second crushing shells forming a crushing aperture. A drive device is adapted to rotate an eccentric to which the crusher head is so connected as to be caused, during rotation of the eccentric, to perform a gyratory movement for crushing of material which is introduced into the crushing aperture. A dust seal is adapted to seal a gap between the frame and a fastening portion situated close to the crusher head. The dust seal includes a seal bellows and a seal slide ring. The seal slide ring is connected sealingly to a lower portion of the seal bellows and has a lower slide surface adapted to slide along, and to sealingly abut, with a substantially vertical abutment pressure determined by the inherent weight of the seal slide ring and by the influence of the seal bellows, against an upper slide surface provided on the frame. An upper portion of the seal bellows is sealingly connected to the fastening portion so that rotation of the crusher head causes rotation of the seal slide ring about a substantially vertical axis of rotation. | 12-01-2011 |
| 20110286861 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 11-24-2011 |
| 20110274506 | INDEXABLE MILLING INSERT FOR MILLING TOOLS - An indexable milling insert for milling tools, including a bottom surface, an opposite chip surface, and a plurality of side surfaces extending between the bottom surface and the opposite chip surface, two of the side surfaces being primary clearance surfaces and two of the side surfaces being secondary clearance surfaces. A plurality of cutting edges are formed between the opposite chip surface and the primary and secondary clearance surfaces. Two of the cutting edges that connect to the primary clearance surfaces are primarily parallel and constitute main cutting edges. At least one lock structure is provided and includes a locking surface arranged on one of the secondary clearance surfaces so that the locking surface and the primary clearance surface form an acute angle, α, in a section that is parallel to the bottom surface and intersects the locking surface. A coupling structure is arranged on the opposite chip surface and at least partly projects from a plane that is parallel to the bottom surface and passes through points of the main cutting edges situated closest to the bottom surface. The coupling structure comprises at least one flank surface, which is arranged in such a way that the flank surface, in a section that is parallel to the primary clearance surface and intersects the flank surface, forms an acute angle, β, with the bottom surface so that the flank surface slopes in the direction from the secondary clearance surface on which the locking surface is arranged. | 11-10-2011 |
| 20110259875 | NI-CR-FE ALLOY FOR HIGH-TEMPERATURE USE - The present application relates to an alloy for use at high temperature. The invention is characterized in that the alloy consists principally of Ni, Cr and Fe and in that the alloy has a principal composition such that the levels of the elements Fe, Si, C, Nb and Mo lie within the following intervals, given in percentage by weight: Fe 5-13 Si 1-3 C <0.1 Nb <0.2 Mo <1.0 and in that Ni comprises the balance, while its level does not exceed 69% and in that the level of Cr is greater than Cr=15% and in that it is less than the lower of the two values Cr=5*Si−2.5*Fe+42.5 and Cr=25 | 10-27-2011 |
| 20110255995 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 10-20-2011 |
| 20110255994 | AIR COMPRESSOR SYSTEM AND METHOD OF OPERATION - Air compressor systems, upgrade kits, computer readable medium, and methods for controlling an air compressor for improved performance. The methods may include receiving a working air requirement; determining an estimated air pressure of the air compressor to deliver the working air requirement; measuring a pressure of the air compressor; comparing the measured pressure with the calculated estimated air pressure; if the measured pressure of the air compressor is greater than the determined estimated air pressure by a predetermined greater amount, then decreasing an output control of the air compressor; and if the measured pressure of the air compressor is less than the calculated estimated air pressure by a predetermined lesser amount then increasing the output control of the air compressor. The air compressor may be controlled based on a measured pressure of delivered working air. An oil control system may shut off oil to parts of the air compressor. | 10-20-2011 |
| 20110253822 | HORIZONTAL SHAFT IMPACT CRUSHER - A horizontal shaft impact crusher, including a crusher housing having an inlet for material to be crushed and an outlet for material that has been crushed. An impeller is mounted on a horizontal shaft in the crusher housing and is operative for rotating around a horizontal axis. Material to be crushed is accelerated by the impeller against a curtain. An adjustment device is provided for adjusting the position of the curtain relative to the impeller. The crusher housing includes at least two guide rails to which the adjustment device is slidably connected. A retaining device is arranged to hold, with a predetermined holding force, the adjustment device in a crusher operation position relative to the guide rails. The adjustment device is movable along the guide rails from the crusher operation position and away from the impeller in response to an excessive force being transferred from the curtain to the adjustment device and exceeding the predetermined holding force. | 10-20-2011 |
| 20110253821 | HORIZONTAL SHAFT IMPACT CRUSHER - A horizontal shaft impact crusher includes a crusher housing having an inlet for material to be crushed and an outlet for material that has been crushed. An impeller is mounted in the crusher housing for rotation about a horizontal axis. A curtain disposed in the crusher housing is arranged so material accelerated by the impeller is crushed thereagainst. An adjustment device, which adjusts the position of the curtain relative to the impeller, is slidable connected to guide rods. The adjustment device includes a locking device positionable selectively in either a holding state in which the locking device is de-energized and arranged to apply a holding force for holding the adjustment device in a crusher operation position relative to the guide rods, or an adjustment state in which the locking device is energized and arranged to release the holding force, thereby enabling displacement of the adjustment device relative to the guide rods. | 10-20-2011 |
| 20110250463 | ALUMINIUM OXIDE FORMING NICKEL BASED ALLOY - Nickel based alloy intended for use at high temperatures wherein it comprises in percent by weight (wt-%)
| 10-13-2011 |
| 20110241407 | CARBIDE BLOCK AND SLEEVE WEAR SURFACE - An assembly is disclosed including a holder block, a cutting pick, and an optional hollow sleeve, wherein the shank of the cutting pick is inserted into the holder block or, where present, into the hollow sleeve. When assembled, surfaces of the components meet at an interface. At least one of the first interface and the second interface includes one or more sets of wear elements including cemented carbide bodies press fit into recesses in the forwardly oriented surfaces meeting at the interfaces. The wear elements mitigate direct contact between the opposing surfaces of the components at the interfaces and prevents excessive wear from repetitive impact because the harder wear elements, e.g., cemented carbide, are contact points between the opposing surfaces of the components at the interfaces. A machine incorporating the assembly and a method of manufacturing the assembly are also disclosed, particularly a machine for mining, excavating, tunneling, road planing and/or construction. | 10-06-2011 |
| 20110240911 | MOLYBDENUM SILICIDE COMPOSITE MATERIAL - A composite material based on a disilicide including molybdenum and zirconium dioxide, ZrO | 10-06-2011 |
| 20110236145 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which there extends a first geometrical center axis (C | 09-29-2011 |
| 20110236142 | MILLING CUTTER AS WELL AS A MILLING INSERT THEREFOR - A milling cutter for chip removing machining, including a basic body rotatable in a predetermined direction around a center axis and having a front end surface and an envelope surface that extends axially backward from the front end surface and is concentric with the center axis. A number of indexable milling inserts are mounted in respective peripherally spaced-apart seats having a mutually fixed pitch, each milling insert including an upper side, an under side and at least one clearance surface, the clearance surface together with the upper side delimiting at least two alternately active cutting edges that are uniform in their extension between first and second end points. The cutting edges of each milling insert are situated on different levels in relation to the under side of the milling insert to alter the effective pitch between the active cutting edges of the milling inserts by indexing of at least one of the milling inserts. | 09-29-2011 |
| 20110229278 | MILLING TOOL FOR CUTTING MACHINING - A milling tool for rotary cutting machining, including a tool body having a rotation axis, a plurality of insert seats adapted to receive respective milling inserts arranged in one end of the tool body, and a plurality of damping members arranged inside the tool body which suppress operation-induced vibrations in the tool. The damping members being arranged radially displaced from the rotation axis, displaced from the insert seats, and adjacent to the one end of the tool body. | 09-22-2011 |
| 20110220556 | SUPPORT CARRIER FOR A VIBRATING SCREEN DEVICE - A vibrating screen device includes a support structure, which supports apertured screening elements. The support structure includes a plurality of support carriers, each having a straight portion and a spacer part fixed to at least one end of the straight portion. The spacer part of each support carrier engages a spacer part of an adjacent support carrier to space the straight portions apart by a predetermined distance. | 09-15-2011 |
| 20110215033 | SCREENING MAT FOR VIBRATING SCREEN DEVICES - A screening media for use in vibrating screen devices that fractionize crushed stones or gravel. The screening media is made by extruding a fiber-reinforced rubber or polymeric material to form a strip in a length longer than that needed to make individual screening mats for use in the vibrating screen devices. Screening apertures are then punched in the strip, and the apertured strip is cut into individual mats. The extruded strip includes side portions configured to connect to support structures of the vibrating device. Prior to the cutting step, the apertured strip can be maintained in the form of a coil or a long-length element. | 09-08-2011 |
| 20110215032 | VIBRATING SCREEN DEVICE HAVING MODULAR SCREENING MEDIA - A vibrating screen device for fractionizing stones and gravel includes a support structure, a plurality of carriers mounted on the support structure, and a plurality of screening mats removably mounted on the carriers in side-by-side relationship. Each carrier includes two upright beams forming a slot therebetween. Each screening mat has opposite end parts, wherein respective end parts of two adjacent screening mats are received in each slot. The beams and end parts include protrusions and grooves which are interconnected, and maintained in connection, by a wedge inserted into the slot between the end parts. | 09-08-2011 |
| 20110204701 | SLEEVE WITH WIDENING TAPER AT REARWARD END OF BORE - A block and sleeve assembly and a sleeve per se are disclosed. The sleeve has a central bore with a rearwardly opening taper. The holder block has a side-to-side opening with a bridge. An angle of the rearwardly opening taper and/or the distance from the beginning of the taper of the central bore of the sleeve to the surface of the side-to-side opening are sized to allow rearward removal of a shank of a sheared cutting pick from the sleeve. Optionally, an outer circumferential surface of at least a portion of the sleeve shank is forwardly tapered and the opening in the holder block is complementarily tapered to receive the sleeve shank. A rearward biasing retainer clip can also optionally be included. | 08-25-2011 |
| 20110197723 | TURNING INSERT, A TOOL PART, A METHOD AS WELL AS A MACHINE TOOL FOR CHIP-CUTTING METAL MACHINING - A turning insert formed for chip-cutting metal machining of a workpiece that rotates in a direction of rotation at a first speed of rotation around a workpiece axis, the turning insert including a front surface, an envelope surface, and a circular cutting edge located where the front surface meets the envelope surface. The cutting edge extends around the front surface and lays in a plane that forms an angle α with the envelope surface. A tool axis extends through the turning insert in a normal direction in respect of the plane, and the turning insert, during the chip-cutting metal machining, is formed to rotate around the tool axis at a second speed of rotation. The envelope surface forms a chip surface and is arranged to meet chips formed in the chip-cutting metal machining, and the chip surface includes chip breaking means. | 08-18-2011 |
| 20110193399 | FULL SLEEVE RETAINER FOR STEP-SHANK OF TOOL - A tool pick assembly and a tool and block assembly are disclosed. A sleeve is positioned about the shank to allow rotation of the tool pick and also friction fit with the block. The sleeve is stepped in complement to the shape of the surface of the shank of the tool pick and the shape of the surface of the bore in the tool holder and extends substantially all of the length, optionally all of the length, of the stepped bore in the block to reduce or prevent dust and fines from entering and wearing the bore surface. When assembled, the stepped sleeve and complementarily shaped shank of the tool pick each do not extend past the rear surface of the bore to mitigate or prevent shank deformation from impact during use. | 08-11-2011 |
| 20110188954 | BORING TOOL - The present invention concerns a boring-out tool comprising a main tool body having an interface for a drive, and a cutting insert holder which can be fastened to the main tool body and has a seat for a cutting insert, wherein the cutting insert holder can be moved in the radial direction relative to the main tool body between two positions. To provide a boring-out tool of the kind set forth in the opening part of this specification, which can be easily adapted to different boring diameters so that only few different boring-out tools have to be stocked to be able to cover all usual boring diameters, it is proposed in accordance with the invention that there is provided an extension arm which on the one hand is fastened to the main tool body and which on the other hand carries the cutting insert holder, wherein the cutting insert holder can be fastened to the extension arm at least two positions which are spaced from each other in the radial direction. | 08-04-2011 |
| 20110188950 | COATED CUTTING TOOL AND A METHOD OF MAKING THEREOF - The present invention relates to a cutting tool for metal machining with improved wear properties, comprising a cutting tool substrate of cemented carbide, cermet, ceramics or a super hard material, and a wear resistant coating, wherein the wear resistant coating comprises a PVD Ti—Si—C—N layer with a compositional gradient, and a method of making thereof. | 08-04-2011 |
| 20110183832 | FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE - The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained. | 07-28-2011 |
| 20110182677 | TOOL COMPRISING A FASTENING UNIT - The present invention concerns a milling or boring tool comprising a main tool body rotatable about a tool axis and a cutting element which can be fastened to the main tool body and which has a cutting portion or a cutting insert seat for receiving a cutting insert. To provide a fastening system for fastening the cutting element to the main tool body, which is to be easily implemented at low cost, which allows highly accurate positioning of the cutting element on the main tool body and which in addition permits very rapid exchange of the cutting element, it is proposed according to the invention that a centering pin which is arranged parallel to the boring axis and the axis of which does not coincide with the tool axis is connected on one part, the main tool body or the cutting element, and a corresponding centering opening is provided on the other part, the cutting element or the main tool body. | 07-28-2011 |
| 20110182676 | TOOL WHICH CAN BE AXIALLY ADJUSTED - The present invention concerns a tool for cutting machining for boring or milling comprising a main tool body rotatable about a tool axis and a holding element which can be fastened to the main tool body and has a cutting insert seat. To provide a tool which is simple and inexpensive to produce and which permits axial adjustment of the cutting insert in relation to the main tool body to a large extent in comparison with the state of the art it is proposed in accordance with the invention that there is provided an adjusting device for axially adjusting the holding element in relation to the main tool body. | 07-28-2011 |
| 20110174546 | CORE DRILL BIT - A drill bit is disclosed. The drill bit has an axis, and a barrel, and a cutting member fixed to the barrel. The barrel is arranged to engage a drill shaft for driving the drill bit around the axis. The barrel and the cutting member are adjacently located on the axis. The drill bit has an aperture centered on the axis, the aperture passing completely through both the cutting member and barrel. | 07-21-2011 |
| 20110163591 | CUTTING PICK AND MOUNTING ASSEMBLY - To alleviate the problem associated with wear of either the shank of the cutting pick or the surface defining the cutting pick mounting hole, a cutting pick and mounting assembly is provided including a cutting pick having a shank and a cutting tip, a cutting pick mounting hole extending through a support surface within which the shank of the cutting pick is received such that the cutting tip projects from the hole; an inner sleeve having a cutting pick opening within which the shank of the cutting pick extends; an outer sleeve having an inner sleeve opening within which the inner sleeve and the shank of the cutting pick extend; wherein the shank, the inner sleeve and the outer sleeve are positioned concentrically within the cutting pick mounting hole. | 07-07-2011 |
| 20110162707 | ELECTRICAL CONTACT WITH ANTI TARNISH OXIDE COATING - The invention relates to an electrical contact t comprising a strip substrate comprising a conductive layer of a metal or an alloy provided on the surface of the substrate and an oxide layer provided on the conductive layer. By means of the oxide layer the underlying metal or alloy layer is protected from reaction with elements such as oxide or sulphur in the ambient air. The invention also relates to products such as fuel cells and solar cells comprising the electrical contact. | 07-07-2011 |
| 20110151276 | ANTI TARNISH SILVER ALLOY - The invention relates to a coated product comprising a strip substrate comprising a conductive alloy layer comprising silver and indium provided on the surface of the substrate. The conductive alloy layer has good electrical properties and does not easily react with sulphur in the ambient air. The invention further relates to a method for producing a coated product, comprising the steps of: providing a strip substrate; ion-etching of the substrate; depositing a conductive alloy layer comprising silver and indium on the substrate. The invention also relates to a product for electrical use comprising the coated product. | 06-23-2011 |
| 20110150583 | DEVICE FOR MILLING OF MATERIALS - A device and a method of making thereof includes a milling cutter body that is connectable to a rotatable spindle or holder. The milling cutter body is provided with at least one series of a plurality of tangentially spaced-apart cutting edges or a plurality of tangentially spaced-apart seats intended for milling inserts having at least one cutting edge. The cutting edges or seats of the series are arranged such that, within the series, a first angle between a radius that intersects a first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction of rotation around the rotation axis, is smaller than a second angle between the radius that intersects the first cutting edge and a radius that intersects another cutting edge, which is situated closest to the first cutting edge in a direction opposite the direction of rotation. | 06-23-2011 |
| 20110150582 | FACE MILL FOR FINE MILLING - A face mill for fine milling, including a basic body that is rotatable around a center axis (C | 06-23-2011 |
| 20110147368 | Austenitic FE-CR-NI alloy for high temperature use - An austenitic alloy for high temperature use, particularly for use in resistance heating elements. The alloy includes primarily the elements Fe, Ni, and Cr, and it has the following main composition, given in weight %, Ni 38-48, Cr 18-24, Si 1.0-1.9, C<0.1, and the balance Fe. The alloy provides good hot form stability, good oxidation resistance, and a relatively high electrical resistance coupled with a low change in resistance as a function of temperature. | 06-23-2011 |
| 20110135898 | MULTILAYERED COATED CUTTING TOOL - A coated cutting tool includes a substrate and a PVD coating having an outermost zone C being a nitride, carbide, boride, or mixtures thereof, of Si and at least two additional elements selected from Al, Y, and groups 4, 5 or 6 of the periodic table and zone C is free from a compositional gradient of an average content of Si. Zone C has a laminar, aperiodic, multilayered structure with alternating individual layers X and Y having different compositions from each other. The coating further includes a zone A closest to the substrate, a transitional zone B, where zone A is essentially free from Si, zone B includes a compositional gradient of the average content of Si, and where the average content of Si is increasing towards zone C. | 06-09-2011 |
| 20110110739 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which a first center axis extends with which an envelope surface is concentric, the front end including a jaw delimited by two torque-transferring drivers and an intermediate bottom in which a center hole extending axially inside the basic body mouths, and a bore for a locking screw extending radially between the center hole and the envelope surface. A loose top has front and rear ends between which a second center axis extends, in the extension of which a pin protruding from the rear end extends that is delimited by a free end surface and an envelope surface in which a shoulder surface is included for the locking screw arranged in the radial bore. A countersink axially spaced apart from the end surface is formed in the envelope surface of the pin of the loose top for the receipt of a snap-in member arranged along the inside of the center hole to provisionally clamp the pin in the center hole when the locking screw is not tightened. | 05-12-2011 |
| 20110109148 | ROAD GRADING PICK WITH WASHER - A road grading pick includes a cutting head, a shank, a shoulder at a transition between the cutting head and the shank, and a polygonal-shaped washer or an oval-shaped washer. The shank is positioned in an opening of the washer to position the washer along a longitudinal length of the shank between a rearward end of the shank and the rearward facing surface of the shoulder. In a preinstalled position, the washer compresses a friction retainer on the shank of the road grading pick to facilitate seating of the road grading pick in a blade of a road grading apparatus. In an installed position on an adapter board for a moldboard of road grading equipment, the friction retainer is no longer in the opening of the washer and the washer prevents washer rotation and shields an underlying mounting surface while allowing rotation of the road grading pick. | 05-12-2011 |
| 20110109147 | BLOCK AND SLEEVE WITH ROTATION-INHIBITING FEATURE - A block and sleeve assembly is disclosed including a holder block, and a hollow sleeve. In radial cross-section, outer peripheral edges of the shoulder portion of the sleeve have a shape of a first polygon. The holder block and the hollow sleeve include cooperating rotation inhibiting features. For example, the holder block includes a stop projecting forwardly past a plane of the front face and positioned radially offset from a circumference of the opening in the holder block to allow a rearward surface of the shoulder portion of the sleeve to contact the front face of the holder block and to prevent rotation of the hollow sleeve greater than N degrees, | 05-12-2011 |
| 20110103903 | CUTTING TOOL - A tool for chip removing machining, including a primary tool part and a secondary tool part. The primary tool part includes a primary connecting surface, an opposite surface, a recess that extends from the primary connecting surface toward the opposite surface, and a wall section between a bottom surface of the recess and the opposite surface. The secondary tool part includes a secondary connecting surface, a protuberance that extends from the secondary connecting surface and, in a mounted state, into the recess, the protuberance having an end surface that, in the mounted state, faces the bottom surface of the recess. A shaft part is for fixing in a machine tool. A fastening element, which, by a contractive force in the mounted state, connects the wall section with the protuberance. A center axis extends in a longitudinal direction of the tool through the primary tool part, the recess, the secondary tool part, the protuberance, and the shaft part. An insert seat is formed in at least one of the primary tool part and the secondary tool part for receiving a cutting insert. The wall section is elastically flexible and, in the mounted state, bent toward the end surface of the protuberance by the contractive force of the fastening element. | 05-05-2011 |
| 20110103896 | CUTTABLE DRILLING TOOL, AND A CUTTABLE SELF DRILLING ROCK BOLT - The present invention relates to a drilling tool incorporating first and second ends, a cuttable and/or processable shaft extending between the ends. The first end has a drill bit to penetrate rock. The drill bit and the shaft have complementary threads. The drill bit and the shaft comprise a relative rotation stop means that ensures that the drill bit remains loose during drilling in a first direction. The invention further relates to a self drilling rock bolt, a drill bit, drill shaft and shaft coupling, and an anchoring device per se. | 05-05-2011 |
| 20110101142 | Distributor plate locking mechanism for vertical shaft impact crusher - A replaceable distributor plate, adapted for protecting a lower horizontal disc of a rotor of a vertical shaft impact crusher, includes a first portion of a bayonet joint, the first portion being adapted for cooperating with a second portion of the bayonet joint, the second portion being associated with the lower horizontal disc. | 05-05-2011 |
| 20110081209 | SHIM PLATE FOR MILLING TOOLS FOR CHIP REMOVING MACHINING AS WELL AS A MILLING TOOL HAVING SUCH A SHIM PLATE - A shim plate for milling tools for chip removing machining, including an upperside, an underside, and at least one side surface extending between the upperside and the underside and forming an angle≦90° with the upperside. A through hole includes a first section mouthing in the upperside, and a second section mouthing in the underside and having a diameter that is smaller than a diameter of the first section. The upperside at least partially transforms into the side surface via an edge portion configured to be an active auxiliary chip-removing cutting edge upon failure of a cooperating cutting insert. The edge portion includes a chamfer surface that forms an obtuse angle (δ) with the upperside. | 04-07-2011 |
| 20110067996 | PVD METHOD FOR DEPOSITING A COATING ONTO A BODY AND COATED BODIES MADE THEREOF - A method of making a coated body including a coating and a substrate where, onto said substrate, a coating is deposited, using a PVD deposition process. The coating includes a nitride, carbide, oxide, boride or mixtures thereof, of one or more elements selected from groups IVb, Vb, VIb of the periodic table and Al, Y and Si. The deposition process includes at least one sequence of varying the substrate bias voltage, while maintaining the active targets. The sequence of varying the substrate bias voltage includes a subsequence S | 03-24-2011 |
| 20110062265 | CAVITY RING FOR A VERTICAL SHAFT IMPACT CRUSHER - A vertical shaft impact crusher includes a rotor for accelerating a first flow of material to be crushed, a first feed element for feeding the first flow of material to the rotor, a housing including a circumferential impact wall section against which the accelerated first flow of material may be crushed, and a second feed element for feeding a second flow of material towards a distributing wall section of the housing and further into the path of the accelerated first flow of material. A cavity ring separates the impact wall section from the distributing wall section. The cavity ring includes at least two ring segments. Supports are provided for supporting the ring segments. A locking device is provided for pressing the ring segments towards at least one of the supports. | 03-17-2011 |
| 20110008199 | SINTERING FURNACE AND METHOD OF MAKING CUTTING TOOLS - The present invention relates to a method of making cutting tools comprising a substrate having a hard phase and a binder phase, the method comprising forming green powder compacts using powder metallurgical techniques, charging the green powder compacts, placed on one or several trays, in a furnace and sintering the green powder compacts wherein the furnace comprises an insulation package, at least three individually controlled heating elements located inside the insulation package including a vertical heating element, an upper horizontal heating element arranged in an upper part of the furnace, and a lower horizontal heating element arranged in a lower part of the furnace, wherein operating the at least three heating elements such that an average controlled cooling rate from a sintering temperature down to at least a solidification temperature of the binder phase is 0.1-4.0° C./min, and a sintering furnace operable to obtain a controlled cooling rate. | 01-13-2011 |
| 20110006588 | ADAPTIVE SLEEVE RETAINER FOR TOOL PICK - A tool pick assembly is provided for insertion in a first bore having a first diameter. The tool pick assembly includes a tool pick having a shank with a diameter sized for receipt in a second bore having a second diameter, the second diameter being smaller than the first diameter, an adaptive sleeve retainer having a thickness for stably supporting the shank of the tool pick in the first bore, and a washer for compressing the adaptive sleeve retainer to aid insertion into the first bore. The adaptive sleeve retainer is configured to spring radially outward to retain the tool pick in the first bore. A push out force for pushing the tool pick out from the first bore is approximately ±10% of a push out force for pushing out from the first bore a tool pick having a shank with a diameter sized for receipt in the first bore. | 01-13-2011 |
| 20110006143 | Gyratory crusher - A gyratory crusher includes a crushing head, which is arranged rotatably on a substantially vertical shaft and on which a first crushing shell is mounted, and a frame, on which a second crushing shell is mounted, which second crushing shell, together with the first crushing shell, delimits a crushing gap. A supporting piston is arranged inside a cavity of the shaft, which supporting piston is displaceable in the vertical direction in order to adjust the width of the crushing gap. An eccentric is, by means of at least one radial bearing, arranged rotatably about the shaft. The gyratory crusher has an oil line, arranged in the cavity and extending through a piston plate included in the supporting piston, for supplying lubricating oil to a lubricating oil chamber configured at least partially in the cavity above the piston plate, the lubricating oil chamber being connected to the radial bearing by a duct arranged in the shaft. | 01-13-2011 |
| 20110002749 | COATED CUTTING TOOL INSERT - A coated cutting tool includes a coating and a substrate. The substrate is at least partly coated with a 4-10 μm thick coating comprising two adjacent Ti(C,N)-layers where the difference (Δ) between the residual stress state of the inner layer and the residual stress state of the outer layer is 1000 MPa≦Δ≦2500 MPa, on at least a part of the cutting edge and/or on at least a part of the rake face. A method to produce such a difference between the residual stress states is also disclosed. | 01-06-2011 |
| 20100329800 | TOOL FOR CHIP REMOVING MACHINING AS WELL AS A SOLID INDEXABLE CUTTING INSERT AND A SOLID BASIC BODY THEREFOR - A tool for chip removing machining, including a basic body having an insert seat, and an indexable cutting insert fixed in the seat. The insert includes an upperside, an underside, a pair of side contact surfaces, two cutting edges that individually extend along a chip surface included in one of the upperside and underside, at least two heads that are spaced-apart via an intermediate part and individually include a front portion having at least one cutting edge and a rear portion along which the pair of side contact surfaces are formed. The insert seat of the basic body includes a central hollow space, and a front cavity and at least one rear cavity in which the heads of the cutting insert are housed, the front cavity including a pair of side support surfaces against which the pair of side contact surfaces of the cutting insert are pressed when a tightening element pulls the head rearward toward the side support surfaces. The basic body is solid by being formed integrally of steel material. The seat is countersunk in the basic body such that the side support surfaces are integrated in the steel material. The cutting insert is formed integrally from a second, hard-wearing material having at least the same hardness as cemented carbide, the pair of side contact surfaces of the insert being integrated in the second material. | 12-30-2010 |
| 20100327193 | SHUTTER SYSTEM - The present invention relates to a shutter system operable between an open position, and a closed position operable to avoid unintended exposure of a surface to radiant flux, wherein said shutter system comprises at least one pair of shields, and an axis for each shield, wherein a first axis is connected to an end part of a first shield, and coincides with the turning axis of the first shield, wherein a second axis, in the shape of an angled arm, is connected to an end part of a second shield and the turning axis of the second shield is parallel to the turning axis of said first shield and is arranged at a distance from the second shield. | 12-30-2010 |
| 20100327093 | METHOD FOR CONTROLLING PROCESS PARAMETERS OF A CONE CRUSHER - A crushing and reducing device, especially cone crushers, used in the building and ore-dressing industries. A method of controlling the operation of a cone crusher having an internal cone connected to an unbalanced vibrator, and an external cone. The method includes utilizing a measurement plane being connected to the internal cone, measuring distances between the measurement plane and a frame of the crusher, and calculating an angle of inclination of the inner cone. The method further includes controlling, based on the calculated angle of inclination of the inner cone, at least one parameter chosen among: the angle of inclination of the inner cone, and the size of a discharge gap between the internal cone and the external cone. | 12-30-2010 |
| 20100322731 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP THEREFOR - A rotatable tool for chip removing machining, including a basic body having front and rear ends between which a first center axis (C | 12-23-2010 |
| 20100322729 | DRILLING TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP AND A BASIC BODY THEREFOR - A loose top for drilling tools, including front and rear ends, a pair of envelope part surfaces concentric with a center axis, and two chip flutes countersunk in relation to the pair of envelope part surfaces between which two bars project radially from a central core, the front end including a cutting edge and at least one clearance surface positioned rotationally behind the cutting edge, the rear end forming an axial contact surface. The loose top includes two opposite side contact surfaces against which elastically bendable branches of a tool basic body are pressed in use, a pair of convex guide surfaces situated axially behind the side contact surfaces, the guide surfaces being concentric with the center axis and radially spaced-apart from the center axis at a distance that is less than the radial distance between the center axis and a respective side contact surface, and a pair of torque-carrying tangential contact surfaces that are situated radially inside the envelope part surfaces and outside the side contact surfaces. The axial contact surface extends perpendicular to the center axis between borderlines adjacent to the two envelope part surfaces. | 12-23-2010 |
| 20100322728 | DRILLING TOOL FOR CHIP REMOVING MACHINING AS WELL AS A LOOSE TOP THEREFOR - A drill of the loose top type, which is composed of a basic body and a replaceable loose top. In the front end of the basic body, a jaw is formed, which is delimited by two elastically bendable branches and an intermediate axial support surface, and in which the loose top can be securely pinched by inner support surfaces of the branches being resiliently pressed against side contact surfaces of the loose top. The two side contact surfaces of the loose top extend rearward from clearance surfaces that are included in the front end of the loose top. By forming the diametrical dimension between opposite side contact surfaces greater nearer the front end of the loose top, the branches of the jaw securely pinch the loose top in the area of the front ends thereof, where the branches have their maximal bending capacity. | 12-23-2010 |
| 20100322727 | DRILLING TOOL OF THE LOOSE TOP TYPE - A drilling tool of the loose top type includes a basic body having two bendable branches having inner support surfaces that are resiliently pressable against side contact surfaces of a replaceable loose top. The mounting of the loose top is affected by turning-in from an initial position to an operative end position. An abutting edge along each side contact surface then bends out the branches and subjects the branches to a spring force that reaches a maximum in a dead position so as to then decrease somewhat up to the operative end position. During the final phase of the rotary motion, the operator obtains, in a tactile and/or auditory way, confirmation of the loose top indeed reaching its operative end position. | 12-23-2010 |
| 20100319993 | DOWNHOLE TOOL LEG RETENTION METHODS AND APPARATUS - A back reamer includes a drive stem configured to support a main reamer body, the main reamer body including a plurality of receptacles, and a plurality of cutting leg assemblies in positive locking engagement with the plurality of receptacles to restrict radial movement of the cutting leg assemblies. | 12-23-2010 |
| 20100316522 | DUPLEX STAINLESS STEEL ALLOY AND USE OF THIS ALLOY - The present invention relates to a duplex stainless steel alloy containing in weight-%: C max 0.03%, Si<0.30%, Mn 0-3.0%, P max 0.030%, S max 0.050%, Cr 25-29%, Ni 5-9%, Mo 4.5-8%, W 0-3%, Cu 0-2%, Co 0-3%, Ti 0-2%, Al 0-0.05%, B 0-0.01%, Ca 0-0.01%, and N 0.35-0.60%, balance Fe and normal occurring impurities, wherein the ferrite content is 30-70 volume-%, and wherein each weight-% of Mo above may optionally be replaced by two (2) weight-% W. | 12-16-2010 |
| 20100296889 | Device and method for milling of materials - Device and method for milling of materials including a milling cutter body including a first end portion and an opposite second end portion. The first end portion is connected to a rotatable spindle and the second end portion is provided with at least one cutting edge. The milling cutter body defines a longitudinal axis and is provided with an axial recess, wherein at least one mass element is arranged in the recess. The axial position of the mass element in relation to the milling cutter body is tuned by use of tuning members included in the device for the tuning of the natural frequency of the device. The mass element is axially locked in relation to the milling cutter body by use of lock members included in the device, in order to optimize the natural frequency of the device for the milling operation in question. | 11-25-2010 |
| 20100294472 | USE OF A DUPLEX STAINLESS STEEL IN A PHOSPHORIC ACID PRODUCTION SYSTEM - The present disclosure relates to the use of a duplex stainless steel as heat exchanger material in a phosphoric acid production system using the wet method. The steel has the following composition in percent by weight: C max 0.03 Si max 0.5 Mn max 3 Cr 26-29 Ni 4.9-10 Mo 3-5 N 0.35-0.5 B max 0.0030 Co max 3.5 W max 3 Cu max 2 Ru max 0.3 balance Fe and normal occurring impurities. | 11-25-2010 |
| 20100290499 | ELECTRIC HEATING DEVICE - Electric heating device comprising a radiant tube and an electrical heating element arranged in the radiant tube as well as a protective insert of electrically conductive material. The protective insert is arranged between the radiant tube and the electrical heating element. The device allows the use of higher element power. | 11-18-2010 |
| 20100289194 | THE USE AND METHOD OF PRODUCING A DISPERSION STRENGTHENED STEEL AS MATERIAL IN A ROLLER FOR A ROLLER HEARTH FURNACE - A roller for a roller hearth furnace comprising a dispersion strengthened steel is disclosed. The roller does not require any coating or reconditioning. | 11-18-2010 |
| 20100278208 | FASTENING MEANS FOR TERMINALS FOR ELECTRICAL RESISTANCE ELEMENTS - A suspension arrangement for terminals for electrical resistive elements, which terminals pass vertically through a body and are attached relative to the upper surface of the body, which terminals pass over into the hot zone of the resistive element in the form of a shank element, which extends downwards from the terminals, where one or several of the shanks of the hot zone is or are supported by hooks attached to the lower surface of the body. The suspension arrangement for each one of the terminals includes a first attachment attached relative to the upper surface of the body and a second attachment attached relative to the terminal. A spring arrangement passes between the first and the second attachment, which spring arrangement is arranged such that the second attachment is mobile in the vertical direction relative to the first attachment. | 11-04-2010 |
| 20100270409 | Gyratory crusher, outer shell intended therefore and methods for mounting and dismounting the outer shell - A gyratory crusher has an outer shell, which is attachable in a frame having a frustoconical supporting surface, which is facing obliquely downwards and inwards. The outer shell has on the outer surface a collar, which has outer lugs, which are movable, from below, past the supporting surface and between inner lugs of a ring. The inner and outer lugs have mutually corresponding contact surfaces, which are adapted, by relative rotation of the ring and the outer shell, to be positioned opposite each other and, upon lifting of the ring, to lift also the outer shell so that a lower portion of the outer shell abuts the supporting surface of the frame. The contact surfaces of the inner and outer lugs are arranged such that lifting of the ring causes the outer lugs to be lifted by means of the inner lugs and brings the inner and outer lugs into radial abutment against each other. | 10-28-2010 |
| 20100252326 | MODULAR SYSTEM FOR A BACK REAMER AND METHOD - A modular back reamer to be used in subterranean drilling includes a drive stem connected to a drill string and configured to support a reamer body, the reamer body providing a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly at varying heights within a predetermined range, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height within the predetermined range, wherein the cutting leg assembly is secured to the reamer body with at least one mechanical fastener. | 10-07-2010 |
| 20100215446 | ROTATABLE TOOL FOR CHIP REMOVING MACHINING AS WELL AS A CUTTING INSERT THEREFOR - A cutting or milling insert for rotatable tool for chip removing machining and of the type that comprises a cutting edge in a transition between a front chip surface and a clearance surface extending rearward from the same. Remotely behind the first-mentioned cutting edge, a second cutting edge is formed in a transition between, on one hand, a second chip surface behind the first clearance surface, and, on the other hand, a trailing second clearance surface. The spacing between opposite sections of the front cutting edge is greater than the corresponding spacing between opposite sections of the second or rear cutting edge, the cutting edge angle (α) of at least the front cutting edge being acute. A rotatable cutting tool, which is equipped with the cutting or milling insert is also provided. | 08-26-2010 |
| 20100209202 | METHOD OF MILLING BALL RACES AND SIDE MILLING CUTTER FOR BALL RACES - The present invention concerns a method of milling ball races which are of an approximately elliptical profile which has a first semi-axis extending substantially perpendicularly to the base of the ball race and a second semi-axis extending perpendicularly to the first semi-axis and perpendicularly to the longitudinal direction of the ball race, wherein a side milling cutter is used to produce the ball race, the peripheral cutting edges of which produce the elliptical profile of the ball race, wherein the cutting edges of the side milling cutter in a section containing the axis of the milling cutter are also of an elliptical profile whose first semi-axis extends perpendicularly to the milling cutter axis and whose second semi-axis extends parallel to the milling cutter axis. To provide a method of milling ball races and a corresponding side milling cutter which on the one hand also permit the production of ball races in ball hubs of VL joints on relatively simpler machining centers, while on the other hand there is also to be the possibility of varying the profile of the ball races produced, with one and the same milling cutter, it is proposed according to the invention that the ratio of the second semi-axis b′ relative to the first semi-axis a′ of the cutting edges is greater than the ratio of the second semi-axis relative to the first semi-axis in the case of the ball race to be produced, wherein the axis of the side milling cutter in projection on to the portion of the hall race, disposed with the cutting edges of the milling cutter, includes a setting angle different from 0° with the second semi-axis of the ball race profile. | 08-19-2010 |
| 20100194176 | RADIAL TOOL WITH SUPERHARD CUTTING SURFACE - A non-rotating mining cutter pick has a shank portion with a non-circular cross-section, a head portion including a tip region distal from the shank portion, a shoulder portion separating the shank portion from the head portion, and a cutting insert mounted at a front end of the tip region. The cutting insert includes a body formed of tungsten carbide and an element formed of a superhard material, such as PCD or other material having a prescribed knoop hardness. At least a portion of a first surface of the element is exposed on a cutting surface of the cutting insert, which improves wear properties of the mining cutter pick. The element is fused to the body of the cutting insert, preferably in a high pressure-high temperature (HPHT) process. A method of manufacture and a cutting machine incorporating the non-rotating mining cutter pick on the rotatable element are also disclosed. | 08-05-2010 |
| 20100193504 | ELECTRICAL HEATING ELEMENT FOR VERTICAL INSTALLATION - An electrical heating element for vertical installation, includes vertically suspended electrical resistance elements for heating furnaces in industrial operation, each element having conductive legs, where along the length of the element there are placed ceramic disks provided with holes, through which holes the relevant legs of the element pass, where the ceramic disks are arranged between ceramic tubes and where an upper metallic central rod is positioned within the ceramic tubes, which central rod supports the element and where the element is surrounded by a radiative tube. There are a number of upper ceramic tubes outside of the upper central rod, with intermediate ceramic disks. The central rod extends a certain distance down into the radiative tube. A number of lower ceramic tubes with intermediate ceramic disks are positioned outside of a lower central rod. | 08-05-2010 |
| 20100192345 | RETAINING CLIP INSTALLATION AND REMOVAL TOOL - A hand tool which features a self-aligning recessed seating feature for easy installation of retaining clips onto the groove of the shank of mining and trenching picks. The location and orientation toward the first end of the body of the tool of the recessed seating feature allows for easy installation from either the left or right side of the holder. The tool includes two prongs located at the same end of the tool as the recessed seating feature. The end surfaces of the two prongs correspond in shape and/or orientation to the contact surfaces of a retaining clip to improve removal of retaining clips from the groove of the shank of mining and trenching picks. | 08-05-2010 |
| 20100183900 | METHOD FOR PRODUCING PVD COATINGS - The present invention relates to a method of producing coatings of metal oxide, nitride or carbide or mixtures thereof, whereby operating a High Power Impulse Magnetron Sputtering, HIPIMS, discharged on one or more target (s) ( | 07-22-2010 |
| 20100181397 | CRUSHING PLANT AND METHOD FOR CONTROLLING THE SAME - There is described a crushing plant and a method for controlling the same. The crushing plant includes a crusher ( | 07-22-2010 |
| 20100181396 | CRUSHING PLANT AND METHOD FOR CONTROLLING THE SAME - There is described a crushing plant and a method for controlling the same. The crushing plant involves a gyratory crusher ( | 07-22-2010 |
| 20100180990 | IMPACT BEAM COMPRISING PRECIPITATION HARDENABLE STAINLESS STEEL - The present invention relates to an impact beam for use in a vehicle. More specifically, the invention relates to an impact beam comprising precipitation hardenable stainless steel, and a method of producing such a beam. The precipitation hardenable stainless steel has a composition, all in percent by weight, of: C max 0.07 Si max 1.2 Mn max 0.7 Cr 10-14 Mo max 1.5 Ni 7-12 Cu max 2.6 Ti 0.6-2.0 (Nb+Ta) max 0.7 balance Fe and normally occurring impurities. An impact beam comprising precipitation hardenable stainless steel, according to the invention, provides improved impact absorbing properties per unit of weight, and can be formed by conventional hot forming techniques. | 07-22-2010 |
| 20100163660 | GYRATORY CRUSHER WITH ARRANGEMENT FOR RESTRICTING ROTATION - A gyratory crusher has a crushing head on which a first crushing shell is mounted, a frame on which a second crushing shell is mounted, and a driving device, which is arranged with a rotating eccentric to cause the crushing head to execute a gyratory movement for crushing of material. The crushing head is connected to the frame of a rotation-restricting arrangement, which comprises a beater in a tank. Spinning of the crushing head is restricted by the beater being braked, during operation of the crusher, by a liquid contained in the tank. | 07-01-2010 |
| 20100158623 | DRILL BODY AS WELL AS SUPPORT PAD THEREFOR - A support pad intended for metal machining drills and of the type that includes an outer surface, an inner surface, front and rear end surfaces, as well as a pair of spaced-apart side surfaces, between the outer surface and at least the front end surface a convexly arched entering surface being formed that extends between, on one hand, a pair of front and rear borderlines, the rear one of which borders the outer surface, and, on the other hand, two tangentially spaced-apart side borderlines. The rear borderline of the entering surface has the shape of a convex arc line as viewed in planar view toward the outer surface, more precisely an arc line the crest of which is facing forward. In such a way, the position of the contact of the support pad with a hole wall can be predetermined in an exact way. The drill body may be equipped with one or more support pads. | 06-24-2010 |
| 20100155512 | THRUST BEARING FOR A GYRATORY CRUSHER AND METHOD OF SUPPORTING A VERTICAL SHAFT IN SUCH A CRUSHER - A gyratory crusher includes a crushing head on which a first crushing shell is mounted, and a frame on which a second crushing shell is mounted. The crusher has a thrust bearing which is made up of horizontal bearing plates and which is located between a vertical shaft and a piston arranged vertically below the vertical shaft. The crusher further has a first space, which is adapted to receive a variable amount of pressurized liquid, the first space being defined by the piston and a piston housing formed in the frame, and a second space which is adapted to receive, by way of a duct, pressurized liquid from the first space, the second space being located between the vertical shaft and the piston and at least partly accommodated in an opening in at least one of the bearing plates. The first space and the second space are adapted, by the liquid, to transmit forces from the crushing head to the piston housing, in order that the load on the thrust bearing is relieved. | 06-24-2010 |
| 20100154607 | ROTARY CUTTER KNIFE - The present invention relates to a rotary cutter knife of a cemented carbide comprising a hard phase comprising WC and a binder phase wherein the cemented carbide comprises, in wt-%, from about 7 to about 12 Co+Ni, with a weight ratio Co/Ni of from about 0 to about 4, from about 0.5 to about 3 Cr and from about 0.1 to about 0.3 Mo. | 06-24-2010 |
| 20100151266 | CEMENTED CARBIDE BODY AND METHOD - The present invention relates to a method of producing a cemented carbide body comprising providing: (1) a grain refiner compound comprising a grain refiner and carbon and/or nitrogen, and, (2) a grain growth promoter, on at least one portion of the surface of a compact of a WC-based starting material comprising one or more hard-phase components and a binder, and then sintering the compact. The invention also relates to a cemented carbide body comprising a WC-based hard phase and a binder phase, wherein at least one part of an intermediate surface zone has a lower average binder content than a part further into the body, and at least one part of an upper surface zone has in average a larger average WC grain size than the intermediate surface zone. The cemented carbide body can be used as a cutting tool insert for metal machining, an insert for a mining tool, or a coldforming tool. | 06-17-2010 |
| 20100150769 | CERMET BODY AND A METHOD OF MAKING A CERMET BODY - The invention relates to a cermet body essentially free from nitrogen where the binder phase is Co in an amount of from about 5 to about 25 vol % Co, further comprising TiC and WC in amounts so that the atomic Ti:W ratio is from about 2.5 to about 10. The cermet body further comprising Cr in an amount such that the atomic Cr:Co ratio is from about 0.025 to about 0.14. The cermet body is free from nucleated of Ti—W—C cores. The invention also relates to a method of making a cermet body. | 06-17-2010 |
| 20100150672 | CUTTING INSERT KIT, METHOD FOR MANUFACTURING CUTTING INSERTS AND A CUTTING INSERT FOR A CUTTING INSERT KIT - A cutting insert kit, including a base part formed of a brittle and wear-resistant material, and a plurality of cutting insert blanks integrally formed with the base part, which are separable one by one from the base part via indications of fracture. Each insert blank includes a front end portion, a rear end portion, an upper side, an under side, and at least one cutting edge in the front end portion formed between a clearance surface and one of the upper and under sides. The base part is common to all cutting insert blanks and to which each cutting insert blank is united to the base part via an indication of fracture in the form of a weakened connection member between the base part and the rear end portion of the cutting insert blank. | 06-17-2010 |
| 20100150671 | DOUBLE-SIDED INDEXABLE FACE MILLING INSERT - A double-sided, indexable face milling insert, including an upperside, an underside, and a neutral plane (NP) parallel to the upperside and the underside, the neutral plane forming a right angle with a geometrical center axis (C | 06-17-2010 |
| 20100147985 | Horizontal shaft impact crusher - A horizontal shaft impact crusher includes a housing, an impeller, and a first and a second curtain against which material accelerated by the impeller may be crushed, the second curtain being located downstream of the first curtain. The housing is provided with a first and a second pivot point for mounting a first end of the first curtain in two different positions relative to the impeller, a first adjustment device for mounting a second end of the first curtain, a third and a fourth pivot point for mounting a first end of the second curtain in two different positions relative to the impeller, and a second adjustment device for mounting a second end of the second curtain. | 06-17-2010 |
| 20100140929 | ROCK-DRILLING EQUIPMENT AS WELL AS FEMALE AND MALE PARTS THEREFOR - The invention relates to a threaded joint for rock-drilling equipment of the type that includes female and male parts that are interconnected via threaded joints. The invention is particularly advantageous in connection with female parts ( | 06-10-2010 |
| 20100135738 | COATED CUTTING TOOL AND A METHOD OF MAKING THEREOF - The present invention relates to a cutting tool for metal machining with improved wear properties, comprising a cutting tool substrate of cemented carbide, cermet, ceramics or a super hard material, and a wear resistant coating, wherein the wear resistant coating comprises a PVD Ti—Si—C—N layer, and a method of making thereof. | 06-03-2010 |
| 20100116915 | BEARING FOR A SHAFT OF A GYRATORY CRUSHER AND METHOD OF ADJUSTING THE GAP WIDTH OF THE CRUSHER - A gyratory crusher has a crushing head fixedly attached to an upper portion of a substantially vertical shaft, on which crushing head a first crushing shell is mounted, and a frame on which a second crushing shell is mounted. The second crushing shell defines, together with the first crushing shell, a crushing gap. The gyratory crusher has a space adapted to contain liquid. The space is defined by a piston, which is formed at least partly of the lower end of the shaft, a cylinder, which is formed at least partly in an eccentric assembly, and a bottom element. The space is adapted to form a cushion with the aid of the liquid, so that the cushion can serve as a thrust bearing transmitting vertical forces from the crushing head to the bottom element. | 05-13-2010 |
| 20100108790 | Material feeding device for VSI-crusher - A vertical shaft impact crusher for crushing material including a rotor for accelerating a first flow of material to be crushed, a first feed device for feeding the first flow of material to the rotor, a housing that includes a circumferential impact wall section against which the accelerated first flow of material may be crushed, and a second feed device for feeding a second flow of material to be crushed into the path of the accelerated first flow of material. The second feed device includes an inner hopper and an outer hopper. The inner hopper includes at least one outlet for allowing the second flow of material to enter a space formed between the inner and outer hoppers. A slide plate inclined substantially tangential in relation to the rotor is located adjacent the at least one outlet in the space between the inner and outer hoppers. | 05-06-2010 |
| 20100102152 | METHOD FOR CONTROLLING PROCESS PARAMETERS OF A CONE CRUSHER - The invention relates to crushing and reducing device, in particular to cone crushers, and can be used in the building and ore-dressing industries. The inventive method is carried out by means of a crusher which is provided with proximity sensors, the operation of which is controlled by means of a computer, and with a disc R which is rigidly secured to the unbalanced-mass vibration generator of the crusher in such a way that the plane thereof is always perpendicular to the axis of rotation of the unbalanced-mass vibration generator. Said method consists in measuring a distance to the disc R, in calculating the three-dimensional position of the disc plane, in calculating the amplitude of the circular vibrations of the internal cone according to said position, in calculating the size of a crushing gap according to the thus calculated amplitude, in comparing said size with the specified parameter of the gap by means of a computer and, if, according to the comparison results, the adjustment of parameters is required, in transferring a control instruction for modifying the position of an adjustment ring from the computer to hydraulic cylinders. The adjustment ring position is controlled by means of a proximity sensor which is mounted on the flange of a body top part. The inventive method makes it possible to measure and modify the main process parameters directly affecting the quality and performance of the machine operation during the continuous operating mode thereof, to prevent malfunctions and emergency situations with a high degree of probability and to carry out the fullest monitoring of the crusher state at any time, thereby making it possible to efficiently use and to extend the service life of the working surfaces and to apply a totally computerised control by excluding a human factor. | 04-29-2010 |
| 20100098994 | Ferritic Chromium Steel - The present disclosure relates to a ferritic chromium stainless steel with the following composition in percent by weight: C max 0.1, Si 0.1-1, Mn max 0.6, Cr 20-25, Ni max 2, Mo 0.5-2, Nb 0.3-1.5, Ti max 0.5, Zr max 0.5, REM max 0.3, Al max 0.1, N max 0.07 balance Fe and normally occurring impurities, and wherein the content of Zr+Ti is at least 0.2%. The ferritic chromium stainless steel is suitable for use in fuel cells, especially Solid Oxide Fuel Cells. | 04-22-2010 |
| 20100098504 | END MILLING CUTTER WITH DIFFERENT CUTTING EDGES - The invention concerns an end milling cutter having a plurality of end cutting edges ( | 04-22-2010 |
| 20100098500 | DRILLING TOOL, A SELF-DRILLING ROCK BOLT, A DRILL BIT, AN ANCHORING DEVICE FOR A SELF-DRILLING ROCK BOLT, A SHAFT FOR A DRILLING TOOL AND AN END COUPLING FOR A DRILLING TOOL - A drilling tool ( | 04-22-2010 |
| 20100090045 | Vertical shaft impact crusher - A vertical shaft impact crusher includes a rotor that rotates about a substantially vertical axis for accelerating a flow of material to be crushed. The crusher further includes a housing, a feed tube, and a feeding chamber. The housing includes a circumferential impact wall section against which the accelerated flow of material may be crushed. The feed tube is for vertically feeding a flow of material into the rotor to be crushed. The feeding chamber includes a feeding chamber side wall and is for vertically feeding a flow of material into the feed tube. A first door is provided for opening and closing an aperture in the feeding chamber side wall. The feed tube is removable from the feeding chamber via the first aperture. | 04-15-2010 |
| 20100084121 | PLATE - The present invention relates to a plate of a plate heat exchanger, said plate comprising a material which constitutes a part of said plate with a surface made of this material positioned to be in direct contact with a chloride-containing cooling liquid, such as sea water, in which the material is a duplex stainless steel alloy containing in weight-%: C max 0.06%, Si max 1.5%, Mn 0-3.0%, Cr 23.0-32.0%, Ni 4.9-10.0%, Mo 3.0-8.0%, N 0.15-0.5%, B 0.-0.010%, S max 0.030%, Co 0-3.5%, W 0-3.0%, Cu 0-2.0%, Ru 0-0.3%, Al 0-0.2%, Ca 0-0.010% balance Fe and normal occurring impurities, wherein the ferrite content is 35-70 volume-%. | 04-08-2010 |
| 20100061812 | COATED CUTTING TOOL - The invention relates to a method of producing a cutting tool at least partly coated with an inner CVD coating and an outer PVD coating comprising the manufacturing steps of depositing the CVD coating, subjecting the CVD coating at least partly to an intensive wet-blasting operation, followed by depositing the PVD coating. | 03-11-2010 |
| 20100054882 | COUNTERBALANCED BORING TOOL WITH CLAMPING DEVICE - The invention concerns a boring tool comprising a main tool body and a tool holder which is adjustable relative thereto, as well as a counterweight coupled to the tool holder in such a way that upon a movement of the tool holder in one direction a movement of the counterweight occurs substantially in the opposite direction, wherein both the tool holder and also the counterweight are respectively arranged at least in part in a bore in the main tool body. To provide a boring tool of the above-mentioned kind which is suitable in particular for high rotary speeds, which is advantageous in terms of manufacture and which in addition provides a reliable precise balancing function, it is proposed in accordance with the invention that the main tool body has a clamping device, by means of which the main tool body can be elastically deformed so that both the tool holder and also the counterweight are respectively clamped in the bore. | 03-04-2010 |
| 20100014928 | Tool for chip removing machining as well as a part and threaded joint therefor - A cutting tool, and a loose top therefore, includes two parts detachably connected to each other via a threaded joint in which co-operating male and female threads are included in the form of helicoidal ridges. The profile shape of each helicoidal ridge is defined by a top and two flanks, which delimit a helicoidal groove having a bottom. The first flank is inclined in relation to a center axis of the tool at a first angle that is smaller than a second angle of the second flank in relation to the center axis. Accordingly, the thread ridge is reinforced in comparison with thread ridges having a symmetrical profile shape, whereby larger tensile forces than compressive forces can be applied to the threaded joint while avoiding damage to the thread ridges. | 01-21-2010 |
| 20100003090 | INDEXABLE MILLING INSERT - An indexable milling insert, including an upperside, an underside parallel to an imaginary reference plane, and two cutting edges. Each cutting edge includes a cutting edge line and is formed between a chip surface included in the upperside and a first clearance surface extending between the upperside and the underside, the first clearance surface forming an acute, nominal first clearance angle (α) with a normal to the reference plane. Each cutting edge includes a main edge, which is at least partly convexly curved as viewed in plane elevation from above, and which extends from an initial end, which determines the maximal cutting depth of the milling insert, to a corner edge having a radius of curvature that is smaller than the radius of curvature of the main edge, the main edge rising in the direction from the initial end toward the corner edge such that the distance thereof to the underside successively increases in the direction. A second clearance surface is formed between the cutting edge line and the first clearance surface, the second clearance surface having a width of at most 0.3 mm and a nominal second clearance angle (λ) that is smaller than the first clearance angle. The second clearance surface is of uniform width and the second clearance angle decreases successively in the direction from the initial end toward the corner edge. | 01-07-2010 |
| 20100001522 | ROCK-DRILLING TOOL, A DRILL ROD AND A COUPLING SLEEVE - In a first aspect, the invention relates to a rock-drilling tool that comprises a drill rod ( | 01-07-2010 |
| 20090324349 | Turning tool and a turning insert - A turning tool including a basic body having an insert seat, an indexable turning insert having a triangular basic shape, and a tightening element fixing the turning insert in the insert seat. The insert includes an upperside and an underside between which three side surfaces extend that are situated in a first imaginary, equilateral triangle and therefore converge in pairs at an angle of 60° toward corners in which cutting edges are included. The turning insert is engaged with the insert seat via an interface that includes elongate and straight, female-like and male-like engagement members, which are in engagement with each other in order to prevent turning of the turning insert. The insert seat includes a supporting surface having a corner section against which an active corner of the turning insert is applied. The insert seat includes a single active engagement member, which is spaced-apart from the supporting corner section, and is in engagement with one of three engagement members included in the turning insert and located in a second imaginary triangle having an equilateral shape, which is smaller than the first imaginary triangle and rotated in relation to the first imaginary triangle. | 12-31-2009 |
| 20090304442 | CONNECTION ASSEMBLY - A connection assembly for connecting a first member to a second member, such as a wear strip to a portion of an excavating device, is described. The second member has a protruding boss and the first member has a recess complementary in shape to the protruding boss. The first member has an associated first bearing surface and the second member has an associated second bearing surface. The first and second bearing surfaces are, in use, opposed and separated by a tapered gap. The connection assembly further includes a wedge-shaped locking member. The wedge-shaped locking member is sized to locate within the tapered gap and is provided with a driving means to permit tightening or loosening of the locking member within the tapered gap. | 12-10-2009 |
| 20090294559 | Assembly and method for restricting spinning in a gyratory crusher - A crusher system includes a gyratory crusher, which has a crushing head, on which a first crushing shell is mounted; a frame, on which a second crushing shell is mounted; and a driving device, which is arranged to cause, by means of a rotating eccentric, the crushing head to execute a gyratory movement for crushing material. The crusher system includes a device for generating a signal that indicates the current tendency of the crushing head to spin; a device arranged to establish, based on the signal, a maximum allowable rotational speed for the eccentric; and a device arranged to adapt the rotational speed of the eccentric to a rotational speed that is lower than the maximum allowable rotational speed. | 12-03-2009 |
| 20090288348 | METHOD OF MAKING A COMPOSITE DIAMOND BODY - The present invention relates to a method of producing a composite diamond body from powders of diamond particles and powders forming a binder phase comprising cobalt powder having mainly a fcc-structure and a grain size (FSSS) of from about 0.2 to about 2.9 μm., with a pressing and sintering operation. The present invention also relates to a composite diamond body made according to the method. | 11-26-2009 |
| 20090285646 | MILLING INSERT - A milling insert, including an upperside, an underside, and a reference plane parallel to the upperside and the underside. A plurality of indexable cutting edges are formed along a peripheral borderline in transitions between at least the upperside and a number of clearance surfaces. Each cutting edge includes a chip-removing main edge and a surface-wiping secondary edge, the secondary edge forming an obtuse angle with the main edge as viewed in planar view from the upperside. The main edge, from a first end of the main edge adjacent to the secondary edge, first declines toward the underside of the milling insert and then, from a lowest part, rises toward an opposite second end of the main edge. The secondary edge is inclined at an angle (ε) in relation to the reference plane as viewed perpendicularly to the clearance surface of the secondary edge, such that a first end of the secondary edge connected to the main edge is situated on a lower level than the opposite, second end of the secondary edge. | 11-19-2009 |
| 20090285049 | FIXING OF SCREENING MEDIA - An adapter system for fixing different screening media to a vibrating screen. By way of the adapter system, different side hold downs used for different screening media may be fixed to a wall of the vibrating screen without any modifications of the wall. The adapter system includes an insert to be placed in an opening of the wall. An adapter is attached to the insert at a desired height in relation to the insert. The insert has a number of parallel grooves co-operating with parallel ribs on the adapter in order to attach the adapter to the insert. | 11-19-2009 |
| 20090283228 | GUIDE - A guide for aligning at least one mesh interstice of more than one respective mesh panel. The guide includes a first portion configured for engaging the first mesh panel and a second portion configured for engaging a further mesh panel is disclosed. When the first and second portions are engaged, the at least one mesh interstice of the respective first and further mesh panels are caused to substantially align. | 11-19-2009 |
| 20090279965 | Drill body - A drill body for chip removing machining, including a rotationally symmetrical envelope surface and front and rear ends between which a center axis extends, around which the envelope surface is rotatable in a predetermined direction of rotation. A head is formed in the front end that includes two cutting edges, each one of which includes a first part edge and a second part edge. The first part edge is included in a central tip part having a front end portion situated along the center axis. The second part edge extends between a peripheral end point positioned along the envelope surface and a radially inner end point where the second part edge transforms into the first part edge. The two first part edges converge at a positive nose angle (α) in an axially forward direction, and the two second part edges diverge at a negative angle (β) in the axially forward direction. Each cutting edge is delimited between a chip surface adjacent to a chip flute countersunk in the envelope surface, and a primary clearance surface that transforms into a secondary clearance surface situated rotationally behind the primary clearance surface. Each primary clearance surface includes two part surfaces which mutually form an obtuse angle (χ), and which meet each other in a first chute bottom that runs rotationally rearward from the inner end point of the second part edge. A second chute bottom extends in the extension of the first chute bottom and separates two second part surfaces included in the secondary clearance surface. | 11-12-2009 |
| 20090256015 | Attenuation of pressure variations in crushers - A crusher system, including a first crushing surface and a second crushing surface which are operative to crush material between them. A hydraulic system is operative to adjust a gap between the first crushing surface and the second crushing surface by adjusting a position of the first crushing surface with a hydraulic cylinder connected to the first crushing surface. The hydraulic system includes an accumulator connected to the hydraulic cylinder by a hydraulic liquid conduit. The accumulator includes a hydraulic liquid chamber and a gas chamber separated from the hydraulic liquid chamber. The accumulator has a preloading pressure that is the pressure of the gas chamber when the hydraulic liquid chamber is empty, which is at least 0.3 MPa lower than a mean operating pressure of the hydraulic cylinder, such that the accumulator is active and variations occurring in the hydraulic pressure of the hydraulic cylinder during operation of the crusher system are attenuated. | 10-15-2009 |
| 20090256013 | Crushing apparatus and method of putting it into operation - A crushing apparatus has a gyratory crusher, which has an inner shell, an outer shell and an eccentric. A lubricating system is arranged to conduct a lubricant to at least one movable part, such as the eccentric of the gyratory crusher. The lubricating system has an oil sump, which collects the lubricant after it has been used for lubrication of the movable part, and a valve mechanism, which is arranged to apportion a lubricant flow in the crusher. The valve mechanism is arranged to assume a first position, in which a first sub-volume of the lubricant flow is conducted directly to the movable part for lubrication of the same and a second sub-volume is conducted directly to the oil sump, the second sub-volume constituting from about 30 to about 100% of the lubricant flow, and a second position, in which at least about 90% of the lubricant flow is conducted to the movable part for lubrication of the same. | 10-15-2009 |
| 20090220309 | Self Drilling Rock Bolt - A self drilling rock bolt incorporating a shaft and an anchoring device. A first end of the bolt has a drill tip to penetrate rock and a second end is adapted to be connected to a drilling apparatus to allow rotation of, and thrust to, the bolt. A circulation passage is provided to allow fluid to be passed to the drill tip and in one form a central passage is formed in the shaft to form part of this circulation passage. The anchoring device is operative to retain the bolt when located in a drilled hole and comprises a mandrel having one or more inclined external surface mounted to, or integrally formed with, the shaft and at least one expansion element overlaying the mandrel. The expansion element(s) is displaced radially outwardly on a predetermined relative movement between the mandrel and the element. | 09-03-2009 |
| 20090214306 | Coated Cutting Tool Insert - The present invention discloses a coated cutting tool insert particularly useful for dry and wet machining, preferably milling, in low and medium alloyed steels, stainless steels, with or without raw surface zones. The insert is characterized by a WC-TaC-NbC-Co cemented carbide with a W alloyed Co-binder phase and a coating including an innermost layer of TiC | 08-27-2009 |
| 20090196701 | TOOL FOR CHIP REMOVING MACHINING, AS WELL AS A BASIC BODY AND A CUTTING INSERT THEREFOR - A tool for chip removing machining, including a basic body, in which at least one seating is included, which is delimited by a base surface and a rear support protruding in relation to the base surface, the base surface including a first coupling section in the form of one or more ridges and grooves, and a replaceable cutting insert having an upperside, an underside and a clearance surface extending between the upperside and the underside and transforming into the upperside via at least one cutting edge, the underside including a second coupling section having one or more grooves and ridges which engage the grooves of the first coupling section, and vice versa, at the same time as a part of the clearance surface is urged against the rear support. An imaginary extension of the ridges of the first coupling section extends by the side of the rear support. | 08-06-2009 |
| 20090187253 | METHOD OF MAKING A COATED MEDICAL BONE IMPLANT AND A MEDICAL BONE IMPLANT MADE THEREOF - The present invention relates to a method of making a coated medical bone implant comprising the step of providing a substrate and then onto said substrate depositing a bioactive crystalline TiO | 07-23-2009 |
| 20090180916 | Coated cemented carbide with binder phase enriched surface zone - The present invention relates to a coated cemented carbide comprising WC, a binder phase based on Co, Ni or Fe and gamma phase and with a binder phase enriched surface zone essentially free of gamma phase. The gamma phase has an average grain size less than about 1 μm. In this way a binder phase enriched cemented carbide with improved toughness and essentially unchanged resistance against plastic deformation is obtained. | 07-16-2009 |
| 20090169910 | METHOD OF MAKING A COATED CUTTING TOOL AND CUTTING TOOL THEREOF - The invention relates to a method of making a coated cutting tool comprising providing a substrate, and coating said substrate with a coating process wherein the coating process comprises at least one sequence comprising the steps of:
| 07-02-2009 |
| 20090169418 | COMPONENT FOR SUPERCRITICAL WATER OXIDATION PLANTS, MADE OF AN AUSTENITIC STAINLESS STEEL ALLOY - The present invention relates to a component with improved corrosion resistance for use in supercritical water oxidation plants. The component is made of an austenitic stainless steel alloy comprising 15-30% Cr and 20-35% Ni. | 07-02-2009 |
| 20090169412 | METHOD OF MAKING A CUTTING INSERT WITH A HOLE FOR CLAMPING - A method of making a cutting insert using powder metallurgical methods including using a press with a main pressing direction and a press tool setup with a die, a male core rod, a female core rod, a bottom punch, a top punch and a feed shoe. The insert has a noncylindrical hole perpendicular to the main pressing direction, herein referred to as a cross-hole. A cross-hole with increased dimensional accuracy is obtained if the powder also is compacted by the two core rods. | 07-02-2009 |
| 20090169312 | MILLING CUTTER TOOL FOR CHIP REMOVING MACHINING, AS WELL AS A CUTTING BODY AND A BASIC BODY THEREFOR - A milling cutter tool including a basic body and a replaceable cutting body. The basic body includes an envelope surface and two opposite ends, between which a geometrical center axis (C | 07-02-2009 |
| 20090162153 | COATED CUTTING TOOL AND METHOD OF MAKING A COATED CUTTING TOOL - The invention relates to a coated cutting tool comprising a substrate provided with a coating comprising a metallic interlayer placed in-between at least two non-metallic, functional layers or layer systems where the metallic interlayer comprises at least 60 at % metal elements chosen from one or more of Ti, Mo, Al, Cr, V, Y, Nb, W, Ta and Zr, or mixtures thereof, and wherein the at least two non-metallic, functional layers or layer systems is one or more of nitrides, oxides, borides, carbides, or combinations thereof, and wherein the thickness of the at least two non-metallic functional layer or layer systems is from about 3 to about 200 times the thickness of the metallic interlayer. The number of non-metallic, functional layers or layer systems alternated with metallic interlayers is at least 3. | 06-25-2009 |
| 20090162151 | MILLING CUTTER TOOL FOR CHIP REMOVING MACHINING, AS WELL AS A CUTTING BODY THEREFOR - A milling cutter tool, including a basic body and a cutting body. The basic body includes an envelope surface and two opposite ends between which a geometrical center axis extends around which the basic body is rotated. The cutting body is fixed in a seating of the basic body and includes a pair of opposite main surfaces, a pair of opposite sides, and a pair of opposite end surfaces between which an imaginary, axial neutral plane extends situated halfway between the two main surfaces. The cutting body includes a set of chip removing teeth, which protrude from the envelope surface of the basic body, and are arranged in a row one after the other along at least one of the pair of opposite sides of the cutting body. Each one of the teeth includes a chip surface formed adjacent to a cutting edge from which the tooth extends between a pair of flanks along a length extension which is orientated at an angle (β) to the neutral plane. The angle (β) between the neutral plane of the cutting body and the length extension of each of the teeth is acute and amounts to at least 85°. | 06-25-2009 |
| 20090155006 | BASIC BODY FOR TOOLS FOR CHIP REMOVING MACHINING - A basic body for tools for chip removing machining, including an internal duct, and an inlet including a female thread for the supply of liquid to the duct. The female thread of the inlet is formed in a cage, which is inserted in a seating delimited by an endless inner wall as well as a bottom, the duct mouthing in the seating. | 06-18-2009 |
| 20090152014 | FEMALE PART AND A METHOD FOR MANUFACTURING FEMALE PARTS - The present invention A relates to a female part intended for top hammer-drilling equipment and a method for manufacturing female parts. The female part has a thread in the form of a ridge ( | 06-18-2009 |
| 20090148336 | CAST-IN CEMENTED CARBIDE COMPONENTS - The present invention relates to a compound body comprising cemented carbide and steel with a carbon content corresponding to a carbon equivalent Ceq=wt-% C+0.3(wt-% Si+wt-% P) of from about 0.1 to about 0.85 wt-%. The body is particularly useful for earth moving tools e.g. dredge cutter heads. | 06-11-2009 |
| 20090146491 | BREAKING OR EXCAVATING TOOL WITH CEMENTED TUNGSTEN CARBIDE INSERT AND RING - An exemplary breaking or excavating tool includes a body having a mounting end and a working end. A seating surface at the working end includes a cavity and axially projecting sidewalls formed integral to the body, an insert mounted within the cavity has a tip at an axially forwardmost end, a tapered forward surface, a side surface and a transition edge at an intersection of the forward surface and the side surface. A ring located radially outward of the projecting sidewalls is formed of a material harder than the body of the tool. The transition edge and an axially forwardmost surface of each of the sidewalls and the ring are arranged in an axially rearwardly extending stepped configuration. A material removal machine on which the breaking or excavating tool is mounted and a method of manufacturing the breaking or excavating tool are also disclosed. | 06-11-2009 |
| 20090146490 | BREAKING OR EXCAVATING TOOL WITH CEMENTED TUNGSTEN CARBIDE INSERT AND RING - An exemplary breaking or excavating tool includes a body having a mounting end and a working end. A seating surface at the working end includes a cavity and axially projecting sidewalls formed integral to the body, an insert mounted within the cavity has a tip at an axially forwardmost end, a tapered forward surface, a side surface and a transition edge at an intersection of the forward surface and the side surface. A ring located radially outward of the projecting sidewalls is formed of a material harder than the body of the tool. The transition edge and an axially forwardmost surface of each of the sidewalls and the ring are arranged in an axially rearwardly extending stepped configuration. A material removal machine on which the breaking or excavating tool is mounted and a method of manufacturing the breaking or excavating tool are also disclosed. | 06-11-2009 |
| 20090136728 | Coated cutting tool insert - A method for making a coated cutting tool insert by depositing by CVD, onto a cemented carbide, titanium based or ceramic substrate a hard layer system, having a total thickness of from about 2 to about 50 μm, comprising at least one layer selected from titanium carbide, titanium nitride, titanium carbonitride, titanium carboxide and aluminum oxide, and an outer, from about 1 to about 15 μm thick, aluminum oxide layer or (Al | 05-28-2009 |
| 20090092453 | INSERTS FOR PARTING OR GROOVING AND METHOD OF MAKING - The present invention relates to a coated cutting tool insert with elongated shape with a rake face and an opposite bottom surface with improved strength properties obtained by providing the inserts with a blasted bottom surface. The inserts are preferably used for parting and grooving operations. | 04-09-2009 |
| 20090081479 | METHOD OF MAKING A COATED CUTTING TOOL AND THE RESULTING TOOL - The present invention relates to a method of making a coated cutting tool comprising providing a substrate, depositing on said substrate a cathodic arc evaporation PVD coating of nitrides, oxides, borides, carbides, carbonitrides, carbooxynitrides, or combinations thereof wherein the coating during deposition is subjected to more than one ion etching step. | 03-26-2009 |
| 20090078565 | Method and apparatus for depositing a coating onto a substrate - The present invention relates to a method for depositing a coating onto a substrate. The method comprises depositing by arc evaporation; depositing by dual magnetron sputtering; said depositing being performed in sequence or simultaneously. | 03-26-2009 |
| 20090074635 | TUBE AND USE OF SAID TUBE - A metallic tube for heating a medium or subject outside thereof or inside it by transfer of heat energy through walls of the tube, in which heat is absorbed or emitted at least to a substantial degree by radiation on one or both of the inner and outer surfaces of the tube, is of a material forming a layer of essentially Al | 03-19-2009 |
| 20090071313 | MUSIC STRING - A string for musical instrument is disclosed, the string formed from precipitation hardening stainless steel, where Ti has been added to improve the precipitation hardening properties. The string has a superior resistance to relaxation and is corrosion resistant, thus improving its tuning stability and maintaining its tone quality, thus prolonging its service life. | 03-19-2009 |
| 20090060665 | Cutting insert for chip removing machining of workpieces - A cutting insert for chip removing machining of workpieces, including at least one chip-removal surface that carries away chips, at least one side surface that is a clearance surface, and at least one cutting edge formed between the at least one chip-removal surface and the at least one side surface. The cutting edge includes a main-edge segment that carries out a major part of a chip-removing operation, and a wiping-edge segment that, in the chip-removing operation, wipes off and levels a machined surface of the workpiece. The wiping-edge segment forms a depression. | 03-05-2009 |
| 20090058173 | HYBRID RETAINER SLEEVE FOR TOOL INSERTED INTO BLOCK - A sleeve utilizing two methods of retention—a friction fit and a rear retention feature—is disclosed. The sleeve includes a circumferentially compressible portion that provides a friction fit when inserted into a bore and includes a projected portion around an end circumference that is used to mate with the rear of a tool block and urges the sleeve (and the tool) rearward. The disclosure also relates to a tool and block assembly, a method of retaining a tool in a holder and a mining machine incorporating the sleeve. | 03-05-2009 |
| 20090053092 | FERRITIC STAINLESS STEEL ALLOY - The application describes a lead-free ferritic stainless steel alloy having the following composition, all contents given in percent by weight: | 02-26-2009 |
| 20090051212 | REDUCED VOLUME CUTTING TIP AND CUTTER BIT ASSEMBLY INCORPORATING SAME - A cutting bit includes a body having a head and a shank, a cutting tip attached to a front surface of the head, the cutting tip including a base portion, an upper portion and a tip portion, and a cavity extending into an interior of the cutting tip a distance from a bottom surface of the base portion. The distance the cavity extends into the interior is such that a bottom of the cavity is axially closer to the tip portion than at least a portion of a skirt separating the base portion and the upper portion. The cutting tip is attached by both a mechanical connection and a joining process. An example of a mechanical connection is a post on the front surface of the head of the body inserted into the cavity of the cutting tip. A cutting tip per se, a cutting bit on a mining machine and a method of manufacturing of a cutting bit are also disclosed. | 02-26-2009 |
| 20090010724 | COATED CEMENTED CARBIDE INSERTS - The present invention relates to cutting insert for dry milling of hard cast steel with a hardness of from about 50 to about 65 HRC comprising a substrate and a coating. The substrate has a hardness of from about 1900 to about 2100 HV3, with a negative chamfer and an edge rounding of 0 (sharp) to about 40 μm. The coating comprises a homogeneous Al | 01-08-2009 |
| 20090008486 | Measuring instrument for gyratory crusher and method of indicating the functioning of such a crusher - A measuring instrument for indicating the load in a gyratory crusher includes a first measuring device for measuring at least one instantaneous load on the crusher, a second measuring device for measuring the gyrating position of the inner shell relative to the outer shell, and a correlating device adapted to match said at least one instantaneous load on the crusher with a corresponding measured gyrating position of the inner shell relative to the outer shell. | 01-08-2009 |
| 20090003943 | COATED CEMENTED CARBIDE CUTTING TOOL INSERT - The present invention relates to PVD coated cemented carbide cutting tool inserts roughing to finishing milling operations. The cemented carbide cutting tool insert comprises a substrate and a wear resistant coating. The substrate comprises in addition to WC, from about 5.5 to about 8.5 wt-% Co and Cr such that the Cr/Co weight ratio is from about 0.08 to about 0.12 and also small amounts of Ti and Ta. The wear resistant coating is a homogeneous Al | 01-01-2009 |
| 20080317992 | Wear Resistant and Noise Reducing Arrangement - A wear resistant and noise reducing arrangement of wear elements in material handling systems exposed to wear and to noise. The arrangement comprises at least one adjustable wear element arranged in a row, wherein the wear elements are provided along one side with a flexible sealing to seal between the arrangement and adjacent arrangements. | 12-25-2008 |
| 20080314200 | FINE GRAINED CEMENTED CARBIDE WITH REFINED STRUCTURE - The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained. | 12-25-2008 |
| 20080309026 | Dust Sealing - The present invention concerns a system for sealing between a rock processing equipment, such as a vibrating screen and a stationary cover or other part. A sealing strip is arranged between the vibrating screen and the stationary cover. The sealing strip is attached to snap profiles fixed to the vibrating screen and the stationary cover, respectively. The sealing strip is fixed to the snap profiles by means of grip strips. The sealing strip is placed slanted in relation to the sides of the vibrating screen and stationary cover, respectively. | 12-18-2008 |
| 20080304923 | TOOL FOR CHIP REMOVING MACHINING AS WELL AS A BASIC BODY THEREFORE - A tool for chip removing machining, including a long narrow basic body having an envelope surface which is concentric with a center axis, and two opposite ends, and a replaceable loose top which is connected to the basic body via a first coupling that includes a first seating formed in one end of the basic body and a first male element formed in one end of the loose top. The basic body includes a primary part body made of a first material having a first modulus of elasticity, and a secondary part body which includes the first seating and is made of a second material having a second modulus of elasticity which is lower than the first modulus of elasticity. The two part bodies of the basic body are interconnected via a second coupling which includes a second seating in the secondary part body as well as a second male element that is formed on the primary part body and has one or more precision machined flank surfaces that are arranged to apply, together with one or more co-operating and precision machined flank surfaces of the second seating, joining axial forces to the part bodies by turning the part bodies in relation to each other. | 12-11-2008 |
| 20080299417 | Fuel Cell Component - A fuel cell component, such as an interconnect for solid oxide fuel cells, consists of a metallic substrate, such as stainless steel, and a coating, which in turn comprises at least one metallic layer and one reactive layer. The fuel cell component is produced by providing the different layers, preferably by coating, and thereafter oxidising to accomplish a conductive surface layer comprising a complex metal oxide structure. | 12-04-2008 |
| 20080299383 | FINE GRAINED CEMENTED CARBIDE CUTTING TOOL INSERT - The present invention relates to a cuffing insert for turning in heat resistant superalloys and stainless steels comprising a very fine grained hard substrate and a coating. The substrate comprises WC from about 5 to about 8 wt % Co and from about 0.3 to about 1.5 wt % Cr. In addition to that ppm levels of Ti and Ta are present. The ratio of Me/Co=(at-% Ti+ at-% Nb+ at-% Ta)/at-% Co is lower than or equal to about 0.014−(CW_Cr)*0.008 and higher than about 0.0005. The average sintered WC-grain size is from about 0.5 to about 0.95 μm and CW_Cr from about 0.75 to about 0.95. The cemented carbide body is coated with a PVD Ti | 12-04-2008 |
| 20080299366 | CEMENTED CARBIDE INSERT - The present invention relates to a cutting tool insert for parting, grooving and threading in steel and stainless steels comprising a substrate and a coating. The substrate comprises WC, from about 7.5 to about 10.5 wt-% Co, from about 0.7 to about 1.1 wt-% Cr and from about 100 to about 300 ppm Ti. Ti may partly be replaced by Ta to a weight ratio Ti/Ta of equal to or more than about 0.8. The coating comprises two (Ti,Al)N-layers with different Al/Ti-ratios: an inner Al | 12-04-2008 |
| 20080298921 | COATED CUTTING TOOL INSERT - A coated cutting tool insert is disclosed particularly useful for dry and wet machining, preferably milling, in un-, low- and high alloyed steels and cast iron, with or without raw surface zones. The insert is characterized by a WC—TaC—NbC—Co cemented carbide with a W alloyed Co-binder phase and a coating including an innermost layer of TiC | 12-04-2008 |
| 20080298918 | Drill body for chip removing machining - A drill body for chip removing machining, including an envelope surface which is concentric with a center axis around which the drill body is rotatable, and transforms into a front end surface, and a front cutting edge adjacent to a chip flute which is countersunk in the envelope surface in the area in front of the cutting edge as viewed in the direction of rotation of the drill body and runs out into the front end surface. In the front part of the chip flute, a depression is formed, which includes two part surfaces extending at an obtuse angle (a) to each other, one of which forms a bottom surface in the depression, and the other of which faces the cutting edge and is in front of the cutting edge as viewed in the direction of rotation to form a stop face for a chip removed by the cutting edge. | 12-04-2008 |
| 20080295658 | COATED CEMENTED CARBIDE CUTTING TOOL INSERT - The present invention relates to PVD coated cemented carbide cutting tool inserts semifinishing and finishing metal cutting operations. The cemented carbide cutting tool insert comprises a substrate and a wear resistant coating. The substrate comprises in addition to WC, from about 5.5 to about 8.5 wt-% Co and Cr such that the Cr/Co weight ratio is from about 0.08 to about 0.12 and also small amounts of Ti and Ta. The wear resistant coating is a homogeneous Al | 12-04-2008 |
| 20080268275 | Method of Controlling the Oxygen Content of a Powder - A method of reducing the oxygen content of a powder is provided. A canister is prepared with a getter, filled with the powder to be densified, sealed and evacuated. The canister is subjected to a hydrogen atmosphere at an elevated temperature whereby hydrogen diffuses into the canister through the walls thereof. The hydroge forms moisture when reacted with the oxygen of the powder and the moisture in the reacted with the getter in order to remove oxygen from the powder to the getter. The atmosphere outside the canister is then altered to an inert atmosphere or vacuum, whereby hydrogen diffuses out of the canister. A dense body having a controlled amount of oxygen can thereafter be produced by conventional powder metallurgy techniques. | 10-30-2008 |
| 20080210344 | Precipitation Hardenable Martensitic Stainless Steel - A precipitation hardenable stainless chromium nickel steel is disclosed having the following composition in weight %: | 09-04-2008 |
| 20080206089 | Ni-Cr-Fe Alloy For High-Temperature Use - The present application relates to an alloy for use at high temperature. The invention is characterized in that the alloy consists principally of Ni, Cr and Fe and in that the alloy has a principal composition such that the levels of the elements Fe, Si, C, Nb and Mo lie within the following intervals, given in percentage by weight: Fe 5-13 Si 1-3 C <0.1 Nb <0.2 Mo <1.0 and in that Ni comprises the balance, while its level does not exceed 69% and in that the level of Cr is greater than Cr=15% and in that it is less than the lower of the two values Cr=5*Si−2.5*Fe +42.5 and Cr=25 | 08-28-2008 |
| 20080196641 | Furnace Insulation - Furnace insulation comprising fibre modules in the form of at least two cylinder segments ( | 08-21-2008 |
