Class / Patent application number | Description | Number of patent applications / Date published |
451541000 | Rotary cylinder | 49 |
20080233851 | Grinding apparatus - A grinding wheel having a convex grinding surface is attached to a wheel spindle that is contactlessly supported by a casing through a controlled type axial magnetic bearing and controlled type radial magnetic bearings and that is rotated by an electric motor. A groove of a workpiece is ground by causing relative displacement of the casing. After the axial positioning of the casing is performed, the casing is radially displaced. Then, the groove is ground. The stiffness value of the axial magnetic bearing | 09-25-2008 |
20090053984 | Profile strip with grinding element - The present invention relates to a profile strip ( | 02-26-2009 |
20090088055 | POLISHING WHEEL - A polishing wheel ( | 04-02-2009 |
20090163128 | ABRADING WHEEL WITH SINTERED METAL CORE - Article and method of making an abrading wheel having a sintered metal core and radially inward openings having curved inner edges to reduce stress in operation and to improve the ability of the wheel to clear residue from the wheel during operation. | 06-25-2009 |
20090270020 | Method of Coupling a Honing Tool to a Honing Spindle, Honing Spindle, Honing Tool and Honing Device - The invention relates to a method of coupling a honing tool ( | 10-29-2009 |
20110039484 | APPARATUS AND METHOD FOR MANUFACTURING ABRASIVE TOOLS - A compression molding apparatus and method for the manufacture of abrasive layers for abrasive tooling which provides a compression mold space defined between an inflexible wall surface and a flexible wall surface. The apparatus and method of the present invention is particularly well suited to making annular or hollow cylindrical shaped abrasive layers of novel configurations during a single mold cycle useful for grinding wheel and the like, as well as other shapes such as laps, wherein the flexible wall expanded with fluid pressure provides a highly uniform distribution of pressure against the surface of the mold composition being formed. In an annular configuration, the flexible wall is used to radially direct pressure against a molding composition disposed in an annular configuration wherein the axial length of the annular mold shape formed may be many times greater than priorly obtained by the prior art means. | 02-17-2011 |
20110081849 | FLAP-TYPE ROTARY FINISHING DEVICE - A rotary finishing device including a generally circular hub having an inner periphery and an outer periphery. The outer periphery includes a plurality of slots formed thereabout, which are defined by a pair of side portions. The plurality of slots are generally uniformly spaced about the outer periphery of the hub. Each of the slots has at least one finishing sheet secured therein by an adhesive. | 04-07-2011 |
20110130081 | GRINDING WHEEL, PARTICULARLY FOR GRINDING WORK AT A HIGH FEED SPEED - A grinding wheel is described, particularly for grinding work at a high feed speed, including a discoid body between the axially opposed faces of which an outside wall of cylindrical profile is defined, bearing the abrasive grinding material. The abrasive material is disposed circumferentially on the outside wall without a gap. The grinding wheel also includes a plurality of ducts extending radially in the discoid body, opening onto the outside wall and also passing through the abrasive material, so as to constitute ducts for conveying a cooling and/or lubricating liquid onto the abrasive outer surface of the outside wall. | 06-02-2011 |
20120149289 | COMPOSITION FOR CUTTING WHEEL AND CUTTING WHEEL BY USING THE SAME - Disclosed are a cutting wheel composition, and a cutting wheel using the cutting wheel composition. The disclosed composition includes 50 to 85 wt % of abrasive particles, 10 to 25 wt % of binder resin, and balance filler, wherein the binder resin includes a phenolic resin as a first binder resin; and at least one of a (bis)maleimide resin and a cyanate ester resin as a second binder resin. The composition includes at least one of the (bis)maleimide resin and the cyanate ester resin, as well the phenolic resin, as the binder resin, and thereby makes it possible to fabricate a cutting wheel having improved life characteristics through the improvement of heat-resistance and scratch-resistance. | 06-14-2012 |
20120309279 | DEBURRING DEVICE - A deburring device includes a barrel with a granulated polishing member filled therein. The barrel is configured by a case formed with an opening hole, and drop prevention member which is fixed to the case and prevents the polishing member from being dropped from the opening hole. A gap into which a tubular end section of a workpiece is inserted is formed between the opening hole of the case and the drop prevention member. | 12-06-2012 |
20130059511 | DRESSABLE BONDED ABRASIVE ARTICLE - A dressable bonded abrasive article has a body that includes a bond material comprising an organic material and a blend of abrasive particles. The particles include a first type of abrasive particle comprising an oxide and having a first hardness and a first toughness; a second type of abrasive particle comprising an oxide and having a second hardness greater than the first hardness, and the second type of abrasive particle has a second toughness less than the first toughness; and a third type of abrasive particle comprising an oxide and having a third hardness greater than the first hardness and less than the second hardness, and the third type of abrasive particle has a third toughness less than the first toughness. | 03-07-2013 |
20130065496 | GRINDSTONE, GRINDSTONE MANUFACTURING METHOD, BORING TOOL, ABRASIVE GRAIN POSITIONING JIG, AND RELIEF SURFACE FORMING METHOD - A grindstone is provided with a base ( | 03-14-2013 |
20130115865 | HONING TOOL FOR HONING BLIND BORES - The invention relates to a honing tool ( | 05-09-2013 |
20130217315 | SEGMENTED PROFILED WHEEL AND METHOD FOR MAKING SAME - A segmented profiled wheel for grinding a glass or non-metallic workpiece including a segmented abrasive portion formed of a plurality of abrasive segments that are attached to a core of the wheel and method for making same. The plurality of abrasive segments have a cutting surface profile and sufficient abrasive grit to contour and grind the workpiece. Terminal ends of the plurality of abrasive segments are adjacent to one another and the cutting surface profiles align to form a substantially continuous rim of profiled abrasive segments for substantially continuous contact with a workpiece while the wheel rotates. The method includes the steps of forming the plurality of abrasive segments having a metal bonding matrix using automated processes, machining a metal blank to form a core, and attaching the plurality of abrasive segments to the core by laser welding and/or brazing. | 08-22-2013 |
20140187129 | ABRASIVE ARTICLE HAVING A CORE OF AN ORGANIC MATERIAL AND A BONDED ABRASIVE BODY COMPRISING A BOND MATERIAL - An abrasive article includes a core comprising an organic material and a first bonded abrasive body integrally bonded directly to the core, wherein the bonded abrasive body includes a bond material, and abrasive particles contained within the bond material. | 07-03-2014 |
20140323022 | AIRFOIL EDGE FORM TRANSFER GRINDING TOOL - A grinding tool is provided that includes an axial grinding wheel having a circumferential cutting slot formed therein, the cutting slot having a cross-sectional profile that includes a floor having a first radius of curvature, a first side wall rising upward from the floor and having a second radius of curvature, a second side wall rising upward from the floor opposite the first side wall and having a third radius of curvature. At least one radius of curvature corresponds to a surface, such as a leading edge of a gas turbine engine airfoil. | 10-30-2014 |
20140357171 | GRINDING WHEEL MANUFACTURING METHOD AND GRINDING WHEEL - A method of manufacturing a grinding wheel, and a grinding wheel. After a first overcoat layer is formed on each of CBN abrasive grains, a second overcoat layer that is plastically deformed under a pressure lower than a pressure under which the first overcoat layer is deformed, is formed on the outer side of the first overcoat layer to manufacture coated abrasive grains. The coated abrasive grains are subjected to pressure-molding to be formed into a prescribed shape under a pressure that is equal to or higher than a pressure under which the second overcoat layer is plastically deformed. The second overcoat layers are deformed and flow to form a molded material having a structure in which the first overcoat layers contact each other, and the flowing second overcoat layers are moved into clearances between the coated abrasive grains. By sintering this, CBN abrasive grains are dispersed at a prescribed distance that is determined by the degree of outer radius of each first overcoat layer, and vacancies are arranged therebetween at a prescribed density. | 12-04-2014 |
20150105006 | METHOD TO SUSTAIN MINIMUM REQUIRED ASPECT RATIOS OF DIAMOND GRINDING BLADES THROUGHOUT SERVICE LIFETIME - Embodiments of the present invention generally relate to a blade for isolating devices within a wafer and the method of isolating. The blade has a core material, a cutting material disposed on the core material, and a plating material covering a portion of the core and cutting materials. The edge of the blade is not covered by the plating material. During operation, a portion of the plating material is removed to expose the underlying core and cutting materials based on the wearing of the core and cutting materials at the edge of the blade. | 04-16-2015 |
20150343601 | ABRASIVE ARTICLE HAVING A CORE INCLUDING A POLYMER MATERIAL - An abrasive article in form of an abrasive wheel comprising a core and a bonded abrasive body disposed within an interior recess of a peripheral surface of a core. The core comprises a polymer material and has an HDT at 0.45 MPa of at least about 130° C., and a low shrinkage ratio. | 12-03-2015 |
20160144480 | Abrasive Means - An abrasive member includes an abrasive member base and a plurality of abrasive particles applied to the abrasive member base. At least a large proportion of the abrasive particles form an abrasive edge unit with an abrasive edge inclined at an angle between 0° and 90° relative to a defined working direction. | 05-26-2016 |
20190143485 | ABRASIVE ARTICLE HAVING A CORE INCLUDING A POLYMER MATERIAL | 05-16-2019 |
451542000 | Circular segments | 10 |
20140030970 | Slot Wear Indicator for a Grinding Tool - Wear indicators for abrasive articles are presented. Specifically, indicator marks that are parallel to a bonding edge of a grinding element are presented. Tools comprising a carrier element and one or more grinding elements comprising one or more indicators are also presented. | 01-30-2014 |
20140187130 | Abrasive Article Having Shaped Segments - An abrasive segment can include an inner segment portion, an outer segment portion, and a central segment portion connected thereto. The inner segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The outer segment portion can include an inner circumferential wall and an outer circumferential wall. Leading and trailing radial sidewalls can extend between the inner circumferential wall and the outer circumferential wall opposite each other. The central segment portion can include a leading radial sidewall and a trailing radial sidewall. The leading radial sidewall of the central segment portion can establish an acute angle, α, with respect to the outer circumferential wall of the inner segment portion and an obtuse angle, β, with respect the inner circumferential wall of the outer segment portion. | 07-03-2014 |
20140187131 | Abrasive Article Having Abrasive Segments with Shaped Gullet Walls - A segment for an abrasive article is disclosed. The segment can include a segment body that can have a first face that can extend along a length of the segment body on a first side of the segment body and a second face that can extend along the length of the segment body on a second side of the segment body opposite the first side. A gullet wall can extend from the first face to the second face. The gullet wall can extend along a gullet. The segment can also include a recessed region that can extend into one or both of the first and second faces. The recessed region can include a gullet portion extending at least partially along the gullet wall. | 07-03-2014 |
20140206269 | Tool for Grinding Toothed Workpieces Having Collision Contours - A tool for generating tooth systems by grinding when the maximum tool diameter is limited by collision contours on the workpiece has a dressable grinding tool that is tightly connected to the tool holder. In one preferred arrangement, the dressable grinding tool is glued on the tool holder. | 07-24-2014 |
20140273778 | GRINDING TOOL AND METHOD FOR PRODUCING SAME - A grinding tool, such as a cutting disc, includes a matrix, in particular a sintered metal matrix, and diamonds embedded in the matrix. At least the majority of the diamonds are each assigned at least one wear-promoting particle and/or at least one wear-inhibiting particle. The at least one wear-promoting particle and the at least one wear-inhibiting particle are likewise embedded in the matrix. | 09-18-2014 |
20140349557 | VITRIFIED SUPER-ABRASIVE-GRAIN GRINDSTONE - A vitrified superabrasive grain grinding stone includes superabrasive grains including a CBN abrasive grain as a main abrasive grain and a diamond abrasive grain as an auxiliary abrasive grain bonded together by use of a vitrified bond. The auxiliary abrasive grain has an average grain diameter equal to ½ to 1/10 of that of the main abrasive grain, and the auxiliary abrasive grain has a toughness value of 0.4 to 1 when that of the main abrasive grain is given as 1. | 11-27-2014 |
20150056901 | ABRASIVE ARTICLE - An abrasive article that may include a circular substrate with a plurality of segments arranged on the circumferential surface of the circular substrate. The abrasive article may also include an outlet slot defining an open space on a peripheral portion of the abrasive article between a first segment and a second segment, a center slot defining an open space in the circular substrate connected to the outlet slot, a noise absorbing hole connected to the center slot and protruding from the center slot in the rotating direction of the abrasive article, and a ratio (H+X)/CS | 02-26-2015 |
20160059387 | DISC-SHAPED GRINDSTONE - A disc-shaped grindstone | 03-03-2016 |
20160114463 | Abrasive Article Having Abrasive Segments with Shaped Gullet Walls - A segment for an abrasive article is disclosed. The segment can include a segment body that can have a first face that can extend along a length of the segment body on a first side of the segment body and a second face that can extend along the length of the segment body on a second side of the segment body opposite the first side. A gullet wall can extend from the first face to the second face. The gullet wall can extend along a gullet. The segment can also include a recessed region that can extend into one or both of the first and second faces. The recessed region can include a gullet portion extending at least partially along the gullet wall. | 04-28-2016 |
451543000 | Detachable | 1 |
20150343542 | DEVICE AND METHOD FOR SHARPENING DULLED SAW BLADES - A sharpening device for cost-effectively sharpening dulled saw blades and a method of making and using the same is provided. The sharpening device may form a tooth-like configuration adapted to rotatably grind and sharpen a saw-teeth configuration into a saw blade. | 12-03-2015 |
451544000 | Laminated | 5 |
20090088056 | GRINDING WHEEL - In a grinding wheel comprising a disc-like core member and a ring-shape grinding wheel layer wherein superabrasive grains selected from cubic boron nitride particles and diamond particles are contained together with aggregates in a bonding material, the aggregates are made of porous ceramics particles and have an average particle size which is in a range of 70% to 150% relative to the average particle size of the superabrasive grains, and bridges made of the bonding material are formed between the aggregates adjoining to one another or between the aggregates and the superabrasive grains adjoining to the aggregates. | 04-02-2009 |
20100291845 | DIAMOND TOOL - The present invention relates to a diamond tool for cutting a work-piece. An object of the present invention is to provide a diamond tool, wherein diamond granules are arranged at outer peripheries of segments and on certain circumferences and placed in a radial pattern from a center of a shank of the diamond tool, so that a constant cutting force is maintained even though the segments are worn out, and thus, the same cutting force is maintained during the service life of the diamond tool. A diamond tool according to the present invention for achieving the object comprises a shank in the form of a wheel or disk; segments attached to an outer peripheral surface of the shank; and a plurality of diamond granules that are attached to the segments and arranged at an outer periphery of each of the segments and on a plurality of circumferences spaced apart by a certain distance from one another and are placed in a radial pattern from the center of the shank. | 11-18-2010 |
20130225054 | CONVOLUTE ABRASIVE WHEEL AND METHOD OF MAKING - A convolute abrasive wheel formed from a spirally wound nonwoven abrasive web. The nonwoven abrasive web including a make coat and abrasive particles having a Vickers indentation hardness of at least 16 Gpa and a toughness of at least 3.0 Mpa m | 08-29-2013 |
20140017986 | SAW BLADE OR CUT-OFF WHEEL MADE OF MARTENSITIC STAINLESS STEEL OR STEEL - A saw blade or a cut-off wheel for an oscillating tool machine includes a base body, wherein the base body has a cutting area and the cutting area is coated with a granulated carbide, wherein the base body is formed in one piece and includes martensitic stainless steel and/or martensitic steel. | 01-16-2014 |
20160184972 | ABRASIVE ARTICLE AND METHOD OF MAKIN SAME - An abrasive article has an abrasive portion with a bond and abrasive particles. A core is mounted to the abrasive portion. The core may include a plurality of segments that are interconnected to form the core. The abrasive article may include forming a plurality of core segments; assembling the core segments into a core; and then mounting the core to the abrasive portion to form the abrasive article. Forming an abrasive article may include mixing a phenolic resin, fillers and abrasive particles to form an abrasive matrix; injecting the abrasive matrix directly into a mold, such that the abrasive matrix is injection molded into a final wheel geometry; at least partially curing the abrasive matrix while it is inside the mold; and then removing the abrasive article from the mold. | 06-30-2016 |
451545000 | Work guide | 1 |
20130095736 | SHARPENER - The invention relates to a sharpener for sharpening a cutting tool, such as a knife, the sharpener comprising a body part ( | 04-18-2013 |
451546000 | Reinforced | 8 |
20100159812 | HONING TOOL HAVING ENHANCED WEAR RESISTANCE PROPERTIES - A honing tool for honing holes in workpieces, having an abrasive portion including a first abrasive layer therearound of abrasive particles of a first size, including a region having a second abrasive layer of abrasive layers of a second size sufficiently smaller than the first size, so as to be disposed in interstices between abrasive particles of the first abrasive layer without altering the diametrical size of the first layer, and so as to provide enhanced wear resistance. | 06-24-2010 |
20130337729 | SMALL DIAMETER CUTTING TOOL - An abrasive cutting tool has a body in the shape of a small diameter disk. The body has an outer diameter of not greater than about 100 centimeters, and an aspect ratio defined as a ratio of the outer diameter to an axial thickness of the body of at least about 10:1. The tool includes an abrasive portion having a bond material comprising abrasive particles and a resin having a normalized heat soak modulus of at least about 1.05. | 12-19-2013 |
20130337730 | LARGE DIAMETER CUTTING TOOL - An abrasive cutting tool has a body in the shape of a large diameter disk having an outer diameter of at least about 60 centimeters, and an aspect ratio defined as a ratio between the outer diameter to an axial thickness of the body of at least about 10:1. The body includes an abrasive portion having a bond material and abrasive particles contained within the bond material. The abrasive particles comprise brown fused alumina. A first filler is contained within the abrasive portion comprising iron and sulfur having an average particle size of not greater than about 40 microns. | 12-19-2013 |
20140073230 | Large Diameter Cutting Tool - An abrasive cutting tool includes a body in a shape of a large diameter disk having an outer diameter of at least about 60 centimeters. The body has an aspect ratio defined as a ratio (D:T) between the outer diameter to an axial thickness of the body of at least about 10:1. The body includes an abrasive portion having a bond material and abrasive particles contained within the bond material. The abrasive portion also includes a first filler having iron and sulfur with an average particle size of not greater than about 40 microns. The body also includes a reinforcing member and a Thermal Adhesion Factor (TAF) of at least about 30%. | 03-13-2014 |
20140162539 | ABRASIVE CUT-OFF WHEEL - An abrasive cut-off wheel with an abrasive cut-off ring ( | 06-12-2014 |
20150314422 | MANUFACTURING METHOD OF ROTORY GRINDSTONE AND ROTARY GRINDSTONE WHICH HAS BEEN MANUFACTURED BY THE MANUFACTURING METHOD - A problem solved is realizing a self-sharpening of a rotary grindstone in the most efficient manner and allowing sequential appearances of sharp cutting faces. To solve the problem, the invention provides a manufacturing method of a rotary grindstone | 11-05-2015 |
20160107294 | TOOL FOR MACHINING MATERIAL AND METHOD OF PRODUCING SAME - The invention concerns a tool for machining of materials, specifically a grinding tool, which has a substantially rotationally symmetrical shape with respect to a rotation axis (R), the tool comprising an outer shell centred about the rotation axis and defining an internal space therein, wherein at least a part of a surface of the outer shell is provided with an abrasive coating or component, wherein the outer shell encases an internal skeleton structure in the internal space, the internal skeleton being integral with the outer shell and defining void volumes in the internal space thereby establishing material and void volumes of the internal space, and wherein the material to void ratio M/V is distributed substantially identically along each radius (r) centred around the rotation axis (R) and its corresponding symmetrical radius (r′). The invention also concerns a method for producing such tool. | 04-21-2016 |
20160158919 | GRINDING WHEEL AND METHOD OF REINFORCING THE SAME - The invention relates to a grinding wheel ( | 06-09-2016 |
451547000 | Ribbed periphery | 4 |
20100210198 | BARREL WORM-SHAPED TOOL - To provide a barrel worm-shaped tool capable of grinding processing in high precision, while maintaining the reduction of heavy load during the processing and partial wear. For this purpose, a barrel worm-shaped tool that is used in the gear machining of an internal gear ( | 08-19-2010 |
20110269383 | BARREL-SHAPED THREADED TOOL FOR MACHINING INTERNAL GEAR - An object is to provide a barrel-shaped threaded tool for machining an internal gear which is capable of machining with high accuracy by appropriately setting a helix angle. To achieve the object, in a threaded grinding wheel ( | 11-03-2011 |
20140080394 | BEVELING GRINDSTONE - Provided is a beveling grindstone in which diamond abrasive grains etc. are prevented from falling off even after long-term grinding to allow long-term use of the grindstone and in which chipping that occurs during beveling of a hard and brittle material and the occurrence of cracking in the ground material are suppressed. The beveling grindstone is used to bevel the outer circumferential edge of a hard and brittle material and includes: a core having a groove portion formed on the outer circumferential surface thereof with which the outer circumferential edge of the hard and brittle material is brought into contact; and an abrasive grain layer which is formed in the groove portion and to which abrasive grains are secured by brazing. The abrasive grains have an average grain diameter of #4000 to #270. | 03-20-2014 |
20150072602 | SHARPENING TOOL, SHARPENING SYSTEM AND KIT - The present invention is a sharpening tool and sharpening system for sharpening snowmobile carbide wear rails and studs and a kit of parts that includes the sharpening tool and a steering member having a carbide wear rail. The sharpening tool is attachable to the chuck of a hand held drill and includes a shaft attachable to the chuck of the hand held drill and cylindrical head affixed to the shaft. The cylindrical head includes a rail groove surfaced in an abrasive material for sharpening wear rails. | 03-12-2015 |