Class / Patent application number | Description | Number of patent applications / Date published |
228200100 | INCLUDING MEANS TO PROVIDE HEAT BY FRICTION BETWEEN RELATIVELY MOVING SURFACES (I.E., FRICTION WELDER) | 82 |
20080277451 | Structural Assemblies And Preforms Therefor Formed By Friction Welding - A preform and method for forming a structural assembly are provided. The preform can be formed by friction welding structural members to a base member and subsequently providing a connection material to join the structural members. The resulting preform can be formed with dimensions and a configuration that approximate the dimensions and configuration of the structural assembly. Thus, the structural assembly can be formed by joining multiple members that are generally smaller than the finished assembly. | 11-13-2008 |
20090001131 | Method of manufacturing cylindrical body, friction stir welding method, and friction stir welding device - A friction stir welding apparatus ( | 01-01-2009 |
20090050672 | Tool And Apparatus For Friction Stir Welding - The present invention provides a tool for forming a friction stir weld joint in a workpiece. According to one embodiment, the tool includes a rotatable pin having first and second ends and defining a stirring portion therebetween structured to frictionally engage the workpiece so as to at least partially form the friction stir weld joint. The tool includes a rotatable first shoulder defining an aperture therethrough structured to slidably receive the first end of the pin. The tool also includes a second shoulder defining an aperture structured to receive the second end of the pin such that the pin extends between the first and second shoulders and such that the second shoulder is in rotatable communication with the pin. The first shoulder is structured to rotate independently of the pin and the second shoulder. | 02-26-2009 |
20090057371 | Friction stir joining apparatus - In the friction stir joining apparatus of the present invention, a rotation control unit variably controls a rotational speed of a rotor; and a straight movement control unit controls a straight movement of the rotor so as to control a pressure applied by the rotor to the object. The tip portion of the rotating rotor is pressed against a workpiece, thus spot joining is executed. The apparatus can execute frictional stirring joining without practical trouble under simple control. | 03-05-2009 |
20090065553 | FRICTION STIR WELDING APPARATUS - Portable friction stir welding apparatus having a crawler which supports a motor for rotating a Friction Stir Welding tool and is coupled to a drive mechanism for urging the crawler along a predefined weld path on work pieces. The crawler can comprise one member or a set of two or three physically separated members each rotatably coupled to the friction stir welding tool. When one member is used to make a weld, it is located on top of the work pieces. When two members are used to make a weld, one member is located on the top of the work pieces and the second member is located on bottom of the work pieces. When three members are used to make two welds simultaneously on an upper work piece and a lower work pieces, one member of the crawler is located on the top surface of the upper work piece, a second member is located between the two work pieces, and a third member is located on the bottom surface of the lower work piece. The friction stir welding tool for making the weld is rotatably coupled to each member and restricts axial displacement of the physically separate members relative to each other. The members are adapted to engage rails on the work pieces which provide at least one of guiding, alignment, fixturing, torque compensation for the members as the friction stir welding tool is rotated and the crawler is moved along a joint. | 03-12-2009 |
20090145948 | DEVICE AND METHOD FOR JOINING THE FACES OF PARTS - Device for joining faces of parts having great longitudinal extension by friction welding. The device includes first and second clamping arrangements structured and arranged to position ends of the parts against one another. At least one of the first and second clamping arrangements is axially movable with respect to another of the first and second clamping arrangements. At least one of the first and second clamping arrangements is movable along a direction that is parallel to a part cross-sectional plane defined by an end face of one of the parts. | 06-11-2009 |
20090159639 | Friction stir spot joining device - There is provided a friction stir spot joining device wherein stirring-related members are unitized to form a unitized stirring unit and an opening is formed in a friction stir spot joining device body for housing the unitized stirring unit therein. A stirring motor, a stirring shaft and a power transmission mechanism are unitized to form a stirring unit, and bearings of an LM guide (registered trademark) are fixed to the stirring unit immediately under the stirring unit, and a ball nut is fixed to the back face of the stirring unit, wherein the friction stir spot joining device body is opened to form the opening at a rear upper portion through which the stirring unit is caused to move inside thereof. | 06-25-2009 |
20090272788 | Friction stir welding apparatus and system - A rotational tool retaining member unit | 11-05-2009 |
20090321497 | LINEAR FRICTION WELDING APPARATUS AND METHOD - A linear friction welding head apparatus for dual axis forging, the apparatus including three sets of orthogonal actuators for providing X-, Y-, and Z-planes of apparatus movement for providing Y-axis oscillation, a first forge load along a first forge axis, and a second forge load along a second forge axis. A method for dual axis forging for welding including providing a welding head for applying first and second forge loads along X- and Z-forge axes to weld at more than one interface. The forge loads may be applied at right angles to each other and have magnitudes corresponding to weld interface length. | 12-31-2009 |
20100006622 | SELF-CLAMPING FRICTION STIR WELDING DEVICE - A friction stir welding device operable to weld a joint formed between a first workpiece and a second workpiece. The friction stir welding device includes a clamping device coupled to a tool body of the welding device for movement with the tool body along the joint. The clamping device includes a first guide member and a second guide member. The first guide member includes a clamping face configured to engage the first workpiece and the second guide member includes a clamping face configured to engage the second workpiece. The clamping face of the first guide member is directly opposed to the clamping face of the second guide member to resist separation of the joint. | 01-14-2010 |
20100038404 | Apparatus for induction friction solid state welding - An apparatus for induction friction solid state welding a body having a work piece receiving bore. A stationary chuck is provided for securing a first tubular workpiece in the bore. A moving chuck is provided for securing a second tubular workpiece in bore. An induction heating coil is movable between an operative position and a stored position. An expandable cylinder moves the moving chuck toward and away from the stationary chuck. A torque transmission collar is used to rotate the moving chuck. | 02-18-2010 |
20100084454 | FRICTION PLUG WELDING METHODS AND SYSTEMS - Friction plug welding methods and systems plug a hole extending through a component part from front and back faces thereof. A sacrificial plate having an opening therethrough may be positioned against the back face of the component part with assistance from a restraint part (which is also preferably provided with a space of sufficient dept to receive a terminal end of the male plug) so that the opening is coaxially aligned with the hole to be plugged. Upon advancing a male plug of a plug rod into the hole under friction plug welding conditions, a friction weld region will therefore be formed between the male plug and defining surfaces of both the hole extending through the component part and the opening extending through the sacrificial plate. The plug rod may include an annular shoulder flange which defines a plane parallel to the front face of the component part so that flash flow from the friction welding will be displaced laterally of the hole. The male plug may be frustroconically shaped. An annular arcuate surface may also be provided which joins the male plug to the shoulder flange. | 04-08-2010 |
20100108742 | FRACTURE RESISTANT FRICTION STIR WELDING TOOLS - Friction stir welding tool to facilitate stress reduction within the tool that may include a body, a pin, a tension member, and an end assembly, the tension member and end assembly facilitating axial compression of the pin. The tension member may be decoupled from the pin and/or body of the tool via one or more decoupling members. The end assembly may comprise spring members to provide an axial force to the tension member. The pin may include various features to facilitate stress reduction proximal the pin. | 05-06-2010 |
20100140321 | FRICTION STIR WELDING APPARATUS AND METHOD - A friction stir welding device may include a rotatable head, a rotatable upper shoulder, a lower shoulder and a pin device. The rotatable head includes a first multisided connection portion. The rotatable upper shoulder includes a first cavity and a second multisided connection portion. The second multisided connection portion is configured to engage the first multisided connection portion. The lower shoulder includes a second cavity and a third multisided connection portion. The pin device includes a first end and a second end. At least a portion of the second end includes a fourth multisided connection portion. The fourth multisided connection portion can be configured to engage the third multisided connection portion. The pin device may be configured to retractably traverse the rotatable upper shoulder via the first cavity. The rotatable upper shoulder, the pin device and the lower shoulder may be configured to friction stir weld a workpiece. | 06-10-2010 |
20100176182 | FRICTION STIR WELDING SYSTEM - A system, in certain embodiments, includes a backing plate, a tungsten-based member disposed along the backing plate, wherein the tungsten-based member defines a welding work surface, and the tungsten-based member comprises curved grooves configured to secure the tungsten-based member to the backing plate. The system also includes a drive. The system includes a pin tool movable by the drive to create friction along one or more workpieces disposed on the welding work surface, wherein the frictional heating and mechanical stirring is configured to create a stir weld along the one or more workpieces. The system, in some embodiments, also may include a backing plate comprising liquid passages and gas passages and a tungsten-based member disposed along the backing plate, wherein the tungsten-based member defines a welding work surface. | 07-15-2010 |
20100213242 | STICKING PAD, FRICTION STIR WELDING MACHINE AND FRICTION STIR WELDING SYSTEM - A lightweight, mobile friction stir welding machine, a sticking pad for the friction stir welding machine, and a friction stir welding system are provided. The sticking pad has a flat base member facing an object, an annular sealing member protruding from one of major surfaces of the base member so as to surround a central area of the surface of the base member, a slippery member attached to the end surface of the annular sealing member facing the object, and one or some deformation-suppressing protrusions protruding from the surface facing the object of the base member. The slippery member is made of a material that can make the slippery member contact the object with a friction coefficient lower than that with which the sealing member can be in contact with the same object. | 08-26-2010 |
20100258612 | FRICTION STIR WELDING TOOL - The invention relates to a friction stir welding tool ( | 10-14-2010 |
20100282822 | Friction stir welding tool and friction stir welding method - A friction stir welding tool | 11-11-2010 |
20100288817 | GRADIENT POLYCRYSTALLINE CUBIC BORON NITRIDE MATERIALS AND TOOLS INCORPORATING SUCH MATERIALS - Gradient polycrystalline cubic boron nitride (PCBN) materials are provided as well as tools incorporating such materials. | 11-18-2010 |
20110062214 | FRICTION STIR TOOL - It is an object to provide a friction stir tool excellent in productivity, high temperature strength, and wear resistance at high temperatures. | 03-17-2011 |
20110101071 | FRICTION STIR WELDING APPARATUS FOR OVERLAPPED JOINTS - In a friction stir welding apparatus for overlapped joints provided with a rotor having a shoulder and a probe that is provided so as to protrude from the shoulder of the rotor and also so as to be disposed concentrically with the center axis of the rotor, a helical groove is formed in the peripheral surface of the probe, from the tip of the probe toward the shoulder, and the depth of the groove is formed so as to gradually decrease from the tip of the probe toward the shoulder. | 05-05-2011 |
20110127311 | OUT OF POSITION FRICTION STIR WELDING OF CASING AND SMALL DIAMETER TUBING OR PIPE - A system and method for friction stir welding of small diameter tubing, wherein the small diameter tubing is held in a correct position with a grasp sufficient to perform FSW when the tubing is comprised of high melting temperature materials, wherein the small diameter tubing can be rotated by the positioning and holding system while a FSW tool is held stationary, or vice versa, wherein internal mandrels are also described which can fit inside the smaller dimensions of the small diameter tubing and expand to provide a counter force to prevent deformation of the tubing when forces are applied by the FSW tool, wherein new FSW tool geometries are also described which enable the FSW tool to direct more heat on a tool/workpiece interface to counteract a lack of contact between the FSW shoulder and the workpiece because of tube curvature, and wherein the FSW tool is positioned on a small diameter tube by trailing the joint to provide desirable heating at the joint/workpiece interface and surface finishing. | 06-02-2011 |
20110180587 | FRICTION STIR WELDING TOOL - A friction stir welding tool is provided, wherein the tool includes a body; a neck formed integrally with the body, wherein the outer diameter of the neck is less than the outer diameter of the body; and a frustoconical probe formed integrally with the neck, wherein the probe further includes a base and a tip, wherein the outer diameter of the tip is less than the outer diameter of the base, wherein the outer diameter of the base is less than the outer diameter of the neck, wherein the outer edge of the base and the outer edge of the neck define a shoulder region therebetween, and wherein the ratio of the outer diameter of the neck and the outer diameter of the base is within the range of about 1.5:1 to 1.25:1 or less. | 07-28-2011 |
20110297733 | FRICTION STIR WELDING USING A SUPERABRASIVE TOOL - A probe for friction stir welding MMCs, ferrous alloys, non-ferrous alloys, and superalloys, as well as non-ferrous alloys, the probe including a shank, a shoulder, and a pin disposed through the shoulder and into the shank, wherein the pin and the shoulder at least include a coating comprised of a superabrasive material, the pin and shoulder being designed to reduce stress risers, disposing a collar around a portion of the shoulder and the shank to thereby prevent movement of the shoulder relative to the shank, and incorporating thermal management by providing a thermal flow barrier between the shoulder and the shank, and between the collar and the tool. | 12-08-2011 |
20120125973 | EXPANDABLE MANDREL FOR USE IN FRICTION STIR WELDING - A mandrel that provides a counter-force to the pressure exerted on the outside of a pipe or other arcuate surface by a friction stir welding tool, wherein the mandrel is expandable through the use of a wedge, and wherein the mandrel enables multiple friction stir welding heads to simultaneously perform welding on the arcuate surface. | 05-24-2012 |
20120175402 | POWDER METAL FRICTION STIR WELDING TOOL AND METHOD FO MANUFACTURE THEREOF - A friction stir tool has an axis of rotation and a welding tip that is made of powdered metal material. | 07-12-2012 |
20120248174 | APPARATUS FOR FRICTION STIR WELDING - Shown and described is an apparatus ( | 10-04-2012 |
20120267419 | SERVO-CONTROLLED ROTATING CLAMPING DEVICE FOR USE WITH A FRICTION STIR SPOT WELDING APPARATUS - A pressure-applying device for use with a welding apparatus includes an annular collar, a housing component, a pressure foot, and a motor. The housing component is coupled with the annular collar and selectively rotatable relative to the annular collar. The pressure foot is at least partially located in the housing component and has a discontinuous contact surface for contacting a work piece and has a central opening for accommodating a welding tool, the discontinuous contact surface may have a first and second contact surface that are respectively disposed on substantially opposing sides of the central opening. The motor is coupled to the housing component and is configured to rotate the housing component with respect to the annular collar. | 10-25-2012 |
20120298724 | FRICTION STIR WELDING TOOL AND FRICTION STIR WELDING APPARATUS - In a bobbin tool including a first shoulder surface which comes into contact with a front surface of a subject work piece, a second shoulder surface which is disposed so as to face the first shoulder surface and comes into contact with a rear surface of the work piece, and a shaft portion which connects the first shoulder surface and the second shoulder surface to each other with a gap therebetween fixed, the first shoulder surface and the second shoulder surface are provided with a first vortex groove and a second vortex groove which extend toward the front side of a tool rotation direction so as to be opened to the outer peripheral edge as it moves to the outer peripheral side. | 11-29-2012 |
20120298725 | INFLATABLE RING FOR SUPPORTING FRICTION WELDING WORKPIECES, AND ASSOCIATED SYSTEMS AND METHODS - Inflatable rings for supporting friction welding workpieces, and associated systems and methods. A support assembly for joining multiple workpieces in a representative embodiment includes a carriage and a generally ring-shaped support member that in turn includes a body and at least one inflatable member carried by the body and positioned to expand from a first configuration to a second configuration. | 11-29-2012 |
20120318848 | ROTARY TOOL FOR FRICTION STIR WELDING - The object of the invention is to provide a rotary tool for friction stir welding having an excellent abrasion resistance and durability, which can attain an excellent joint characteristics. In a rotary tool | 12-20-2012 |
20130062395 | FRICTION STIR WELDING USING A SUPERABRASIVE TOOL - A probe for friction stir welding MMCs, ferrous alloys, non-ferrous alloys, and superalloys, as well as non-ferrous alloys, the probe including a shank, a shoulder, and a pin disposed through the shoulder and into the shank, wherein the pin and the shoulder at least include a coating comprised of a superabrasive material, the pin and shoulder being designed to reduce stress risers, disposing a collar around a portion of the shoulder and the shank to thereby prevent movement of the shoulder relative to the shank, and incorporating thermal management by providing a thermal flow barrier between the shoulder and the shank, and between the collar and the tool. | 03-14-2013 |
20130075452 | Mandrel Tool Probe For Friction Stir Welding - A mandrel tool probe is provided for performing a friction-stir process. The mandrel tool probe includes a shank and a tip coupled to the shank, where the shank and tip are concentric and rotatable about a given axis. The tip includes a set of a plurality of physically-separate, spiraled surfaces each of which has a linear or curved cross-section that extends along a length of the tip at a constant or varying spiral angle around the circumference of the tip. The tip also has a cross-section with a constant shape along the length of the tip, with the cross-section of the tip including a plurality of major segments each of which is formed of the cross-section of a respective spiraled surface. | 03-28-2013 |
20130126588 | Friction Stir Weld Tools Having Fine Grain Structure - Tools for friction stir welding can be made with fewer process steps, lower cost techniques, and/or lower cost ingredients than other state-of-the-art processes by utilizing improved compositions and processes of fabrication. Furthermore, the tools resulting from the improved compositions and processes of fabrication can exhibit better distribution and homogeneity of chemical constituents, greater strength, and/or increased durability. In one example, a friction stir weld tool includes tungsten and rhenium and is characterized by carbide and oxide dispersoids, by carbide particulates, and by grains that comprise a solid solution of the tungsten and rhenium. The grains do not exceed 10 micrometers in diameter. | 05-23-2013 |
20130134206 | SELF-CLAMPING FRICTION WELDING TOOL - A friction welding tool having a pin and a clamping device with a counter bearing, a holddown element and a spring element. The pin has a coupling section for releasable, rotationally fixed coupling to a rotating output device of a machine tool. The counter bearing is held on the pin between the pin's coupling and engagement ends in a manner that allows the counter bearing to be axially immovable on but freely rotatable about a longitudinal axis of the pin. The holddown element surrounds the pin and is arranged on a side of the counter bearing facing the engagement end. The holddown element has a bearing surface for bearing on the workpiece arrangement. The spring element is provided between the holddown element and the counter bearing and is mounted on the pin in such a way that it is elastically slidable along the longitudinal axis of the pin. | 05-30-2013 |
20130168436 | DEVICE FOR FRICTION STIR WELDING - The invention relates to a device for producing a weld seam on work pieces by means of friction stir welding, said device having a welding head ( | 07-04-2013 |
20130186937 | Apparatus for Friction Stir Welding Using Spindle-in-Spindle - A spindle head for performing friction stir welding includes concentric spindle shafts driven by stacked, coaxial motors contained within a spindle housing. The coaxial arrangement of the motors results in a more compact package. Each of the motors is concentrically arranged around one of the spindles by directly connecting a rotor of the motor to a spindle shaft. The stators of the motors are mounted on the housing and are concentrically arranged around the concentric spindle shafts. | 07-25-2013 |
20130221069 | FRICTION STIR WELDING APPARATUS - In a friction stir welding apparatus, workpiece fixing surface plates ( | 08-29-2013 |
20130240607 | FRICTION STIR TOOL - A friction stir tool excellent in productivity, high temperature strength, and wear resistance at high temperatures. The friction stir tool is formed of a Co-based alloy comprising crystal grains containing a γ′ precipitate phase dispersed and precipitated therein, and a crystal grain boundary region and a precipitate phase between adjacent crystal grains, in which the precipitate phase is at least one phase selected from a μ phase, a Laves phase and a carbide phase. | 09-19-2013 |
20130264373 | ROTARY TOOL - There is provided a tool for friction stir welding having excellent wear resistance and chipping resistance. The tool for friction stir welding according to the present invention includes a base material, the base material includes a first hard phase, a second hard phase and a binder phase, the first hard phase is formed by WC particles, the second hard phase is formed by a compound of one or more metals selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W and one or more elements selected from the group consisting of nitrogen, carbon, boron, and oxygen, or a solid solution of the compound (except for WC), the binder phase is formed by an iron group metal, and the second hard phase is higher than or identical to the first hard phase in terms of volume ratio. | 10-10-2013 |
20130284793 | ROTARY TOOL - There is provided a tool for friction stir welding, in which a coating layer is less likely to peel off from a base material and excellent wear resistance is achieved. The tool for friction stir welding according to the present invention includes a base material (BM) and a coating layer. The BM includes a first hard phase (FP) formed by WC particles, a second hard phase (SP) and a binder phase (BP). The SP is formed by a compound of one or more metals selected from Ti, Zr, Hf, Nb, Ta, Cr, Mo, and W and one or more elements selected from nitrogen, carbon, boron, and oxygen, and is included in the BM at a volume ratio of 3% to 30%. The BP is included in the BM at a volume ratio of 8% to 28%. The FP is higher than the SP in terms of volume ratio. | 10-31-2013 |
20130334289 | MOVABLE JOINING DEVICE FOR CONNECTING STRUCTURAL COMPONENTS OF AN AIRCRAFT - A movable joining device for connecting structural components of an aircraft, with joining means moveably arranged on a guiding device situated on the outside of the structural components so as to fixedly connect joining edges of the structural components positioned adjacent to each other, wherein the joining means includes a welding unit that can move on the rail-like guiding device, and is equipped with a special so-called bobbin tool as a tool for friction stir welding. | 12-19-2013 |
20130341375 | END EFFECTOR FOR FORMING SWEPT FRICTION STIR SPOT WELDS - An apparatus includes a connector and is configured to mount to a machine having multiple axes of control. A control signal on the connector determines a path of a rotating tool holder. | 12-26-2013 |
20130341376 | Rotary Tool - There is provided a tool for friction stir welding having excellent wear resistance and chipping resistance. The tool for friction stir welding according to the present invention is a tool for friction stir welding used in friction stir welding processing, wherein the tool for friction stir welding includes a base material, the base material includes a first hard phase and a binder phase, and has a thermal conductivity of 45 W/m·K or less, the first hard phase is formed by WC particles, and the binder phase is formed by an iron group metal and is included in the base material at a volume ratio of 8% by volume or more and 28% by volume or less. | 12-26-2013 |
20140034706 | FRICTION STIR WELDING APPARATUS - A friction stir welding apparatus has a probe rotatable and vertically movable with respect to a processing target member, a welding tool having an interposed member that covers a part of an outer periphery of the probe and is rotatable relative to the probe, a mounting member on which the processing target member is mounted, a movement mechanism having an arm fitted with the welding tool that can move the welding tool with respect to the processing target member by moving the arm, and a correction mechanism having a correction member that can correct a moving direction of the welding tool so as to be matched with a predetermined processing direction, by bringing the interposed member into contact with the processing target member when the welding tool is moved with respect to the processing target member by moving the arm, and fixed to the mounting member. | 02-06-2014 |
20140061282 | SYSTEM FOR PREVENTING THE FORMATION OF MARTENSITE IN METALS JOINING APPLICATIONS - A system for joining materials such as metal alloys that includes a first component, wherein the first component includes a first alloy having a known austenization temperature below which martensite forms when the component is heated and then cooled at a predetermined rate of cooling; a second component, wherein the second component includes a second alloy; and a welding apparatus operative to create a weld between the first and second components without crossing the austenization temperature of the first alloy. | 03-06-2014 |
20140061283 | FRICTION STIR WELDING APPARATUS - A friction stir welding apparatus includes a displacement detecting device that detects displacement of a welding tool caused by deformation of a fitting jig, at the time of performing friction stir welding in which an arm to which the fitting jig fitted with the welding tool is fixed is moved to move the welding tool with respect to the processing target member. The fitting jig can be deformed more than the arm at the time of performing friction stir welding. The displacement detecting device has a displacement sensor fixed to the welding tool, and a reference member fixed to a fixing portion between the fitting jig and the arm to provide a reference position for detecting the displacement to the displacement sensor. | 03-06-2014 |
20140124563 | FSW TOOL WITH GRADUATED COMPOSITION CHANGE - A friction stir welding (FSW) tool tip is described. The tool tip comprises a pin portion and a body portion that meet to form a shoulder. The tool tip has a graduated change in composition along its length. In some embodiments, the alloy composition near the end of the pin differs from the alloy composition of the body by at least 0.5% by wt of at least one element. A method of manufacturing a FSW tool tip having a gradual compositional change is also described. | 05-08-2014 |
20140138424 | Friction Stir Welding Using a Sacrificial Anvil - Devices and methods for friction stir welding using an anvil with a sacrificial material are disclosed. The method involves the steps of providing an anvil with a sacrificial material on the backside of the workpieces and operating a friction stir welding device to form a weld that joins the workpieces together with the sacrificial material. The anvil comprises a non-sacrificial base portion removably coupled with a sacrificial material. | 05-22-2014 |
20140183245 | FRICTION STIR WELDING APPARATUS - A friction stir welding apparatus having a new cooling system that can cool a portion required to be cooled accurately and uniformly with a simple configuration, while suppressing unnecessary thermal expansion of a mounting jig includes a holding mechanism | 07-03-2014 |
20140183246 | FRICTION STIR WELDING APPARATUS - In a friction stir welding apparatus that can control a penetrating position of a probe with respect to a processing target member to an optimum position at a time of friction stir welding by detecting a wear volume and a tip position of the probe, as a drive mechanism moves down a holder having a coefficient of thermal expansion larger than that of the probe and holding the probe, a detector can freely detect a length of a member including the holder and the probe, and a probe detection mechanism can freely detect a tip length, which is the length of the member of only the probe. | 07-03-2014 |
20140217149 | VALVE, PIPE AND PIPE COMPONENT REPAIR - In some implementations, an injection system that injects sealant into a pipe, pressure component or valve while containing the pipe, pressure component or valve repair that significantly reduces or eliminates release of hazardous material from inside the pipe, pressure component valve or injection system and thus significantly reduces emission of the hazardous material from inside the pipe, pressure component or valve into the environment and protecting the repair technicians. | 08-07-2014 |
20140217150 | VALVE, PIPE AND PIPE COMPONENT REPAIR - In some implementations, an injection system that injects sealant into a pipe, pressure component or valve while containing the pipe, pressure component or valve repair that significantly reduces or eliminates release of hazardous material from inside the pipe, pressure component valve or injection system and thus significantly reduces emission of the hazardous material from inside the pipe, pressure component or valve into the environment and protecting the repair technicians. | 08-07-2014 |
20140217151 | FRICTION STIR WELDING TOOL - Disclosed is a friction stir welding tool ( | 08-07-2014 |
20140231490 | FRICTION STIR WELDING APPARATUS - A friction stir welding apparatus includes a rotating tool provided with an upper rotating body arranged to be axially adjustable in position by an upper actuator, a lower rotating body integral with a rotating main rod extending through the upper rotating body and arranged to be axially adjustable in position by a lower actuator, and a stirring part formed in the rod. The upper rotating body and the lower rotating body clamp therebetween a joint of members to be joined placed with their end faces butting each other. The stirring part is rotated to stir the joint by frictional heat to join them. The rotating tool includes a slide plate attached, through a thrust bearing, to one or both of end portions of the upper rotating body and the lower rotating body facing each other to provide good finished surfaces of the joint. | 08-21-2014 |
20140263574 | OUT OF POSITION FRICTION STIR WELDING OF CASING AND SMALL DIAMETER TUBING OR PIPE - A system and method for friction stir welding of small diameter tubing, wherein the small diameter tubing is held in a correct position with a grasp sufficient to perform FSW when the tubing is comprised of high melting temperature materials, wherein the small diameter tubing can be rotated by the positioning and holding system while a FSW tool is held stationary, or vice versa, wherein internal mandrels are also described which can fit inside the smaller dimensions of the small diameter tubing and expand to provide a counter force to prevent deformation of the tubing when forces are applied by the FSW tool, wherein new FSW tool geometries are also described which enable the FSW tool to direct more heat on a tool/workpiece interface to counteract a lack of contact between the FSW shoulder and the workpiece because of tube curvature, and wherein the FSW tool is positioned on a small diameter tube by trailing the joint to provide desirable heating at the joint/workpiece interface and surface finishing. | 09-18-2014 |
20140299650 | FRICTION STIR WELDING DEVICES AND METHODS FOR TANDEM TOOL AND ANVIL - Friction Stir Welding (FSW) devices and methods for simultaneously welding both sides of an arcuate joint are described. The FSW method includes the step of operating a FSW tool and an anvil on the exterior surface of the joint and simultaneously operating another FSW tool and anvil on the interior surface of the joint. The anvils are positioned in a juxtaposing manner to the FSW tools, and move in tandem with the FSW tools, thus providing a supporting force to the FSW tools during their operation. | 10-09-2014 |
20140299651 | MOLYBDENUM-BASED FRICTION STIR WELDING TOOLS - A friction stir welding tool includes that a body and a pin formed integrally with the body at one end thereof. The body and pin further include a first material and a second material; wherein the first material further includes a molybdenum-based refractory alloy; and wherein the second material further includes hafnium, lanthanum, carbon, titanium, zirconium, or combinations thereof. | 10-09-2014 |
20150097020 | MATERIAL SURFACE MODIFICATION USING FRICTION STIR WELDING HYBRID PROCESS - A system and method for modifying a work piece surface of high melting temperature materials such as Advanced High Strength Steels, wherein a friction stir welding tool may include cutting elements located on the outside diameter of a collar assembly, wherein the collar assembly may be retrofitted for existing friction stir welding tools, or may be designed as a custom attachment for a new hybrid friction stir welding tool, wherein the surface of the work piece may be modified by removing detrimental flash and burr created during operation of the friction stir welding tool. | 04-09-2015 |
20150129637 | ELECTRIC SPINDLE WITH AXIAL FORCE CONTROL, INTENDED FOR FRICTION WELDING AND OTHER USES - Electric spindle with axial force control intended for friction welding and other uses, of the type used industrially for the automated welding of metal plates or metal elements, characterized in that it incorporates, inside the body of the electric spindle, a force sensor, associated with the tool by means of an internal shaft that can move axially and which, via an electromechanical actuator, allows the real-time local adjustment of the height of the tool above the material to be welded, such as to maintain a constant, controlled force during the welding and/or machining processes. The main advantage of the invention that is presented is that the height is corrected according to the force, automatically in the electric spindle itself, with much greater precision and speed, thereby providing more uniform welding results without irregularities. | 05-14-2015 |
20150129638 | Friction Stir Welding Tool and Method for the Production Thereof - A welding tool for joining at least two workpieces by friction stir welding includes a pin for applying frictional heat to the workpieces. The pin includes a first pin region formed from a first material and a second pin region formed from a second material. | 05-14-2015 |
20150343557 | MOLYBDENUM-BASED FRICTION STIR WELDING TOOLS - A friction stir welding tool includes that a body and a pin formed integrally with the body at one end thereof. The body and pin further include a first material and a second material; wherein the first material further includes a molybdenum-based refractory alloy; and wherein the second material further includes hafnium, lanthanum, carbon, titanium, zirconium, or combinations thereof. | 12-03-2015 |
20160059344 | FRICTION STIR WELDING DEVICE - According to one embodiment, a device includes a tool and a magnet. The tool softens and causes a welding object member to produce plastically flow, applying a pressure and rotating. The tool includes a shank, a shoulder, a probe, at least one heater, and a heat-insulating layer. The shank includes an attaching portion, a middle portion, and a tip end portion. A heat-insulating layer is provided in the tip end portion. The magnet is disposed outside the middle portion, faces the middle portion. The middle portion includes an iron core portion having a plurality of protrusions and at least one coil including a conductor, and the protrusions are wound by the coil. The both ends of the coil are connected to the heater. A magnetic permeability of the iron core of the middle portion is higher than magnetic permeabilities of the tip end portion and the attaching portion. | 03-03-2016 |
20180021882 | FRICTION STIR WELDING DEVICE, AND ROTARY TOOL USED FOR FRICTION STIR WELDING | 01-25-2018 |
20160175958 | Desoldering Tool Nozzle And Method of Manufacturing the Nozzle | 06-23-2016 |
228200300 | Means to rotate one surface relative to the other about a fixed axis | 18 |
20080217377 | Fracture Resistant Friction Stir Welding Tool - Friction stir welding tool to facilitate stress reduction within the tool that may include a body, a pin, a tension member, and an end assembly, the tension member and end assembly facilitating axial compression of the pin. The tension member may be decoupled from the pin and/or body of the tool via one or more decoupling members. The end assembly may comprise spring members to provide an axial force to the tension member. The pin may include various features to facilitate stress reduction proximal the pin. | 09-11-2008 |
20080257936 | MULTI-SECTION FACED SHOULDERLESS RETRACTABLE VARIABLE PENETRATION FRICTION STIR WELDING TOOL - A method of friction stir welding and a non-consumable multi-section faced retractable shoulderless variable penetration friction stir welding tool. The tool includes a substantially cylindrical body portion, a head portion, and a tip section, each integral to the tool. The body portion has a longitudinal axis about which it is rotable, a diameter, a sidewall substantially parallel to the longitudinal axis, a proximal end, and a distal end. The head portion is located at the distal end of the body portion. The head portion includes a multi-section face, having a first face section and a second face section, that converges to the tip section. The tool is retractable, reduces overheating, improves weld quality by reducing internal voids and lack of fusion, and facilitates variable penetration welds. | 10-23-2008 |
20090014497 | APPARATUS FOR WELDING UPPER AND LOWER PLATES OF METAL SEPARATING PLATE OF FUEL CELL - Provided is an apparatus for welding upper and lower plates of a metal separating plate of a fuel cell which can simplify the welding of a separating plate, improve welding and watertight performance, and prevent the thermal deformation of a separating plate. The apparatus includes a supporting unit which is disposed below a main body and on which the metal separating plate is safely seated; a friction stir unit which faces the supporting unit, and welds the metal separating plate using a friction stir welding method; and a temperature control unit which is disposed either at the friction stir unit or at the supporting unit, measures a temperature of at least a portion of the metal separating plate during the welding, and controls an operation of the friction stir unit so that the temperature of the metal separating plate can be maintained within a predetermined range. | 01-15-2009 |
20090032569 | FRICTION WELDING METHOD AND PRODUCTS MADE USING THE SAME - A method including providing a first portion including one of an annular portion or a hub portion; rotating a second portion including the other of the hub portion or the annular portion; and pressing the second portion against the first portion such that friction between the hub portion and the annular portion causes a weld joint to be created; and wherein the annular portion may or may not include a frictional damping means, which may include an insert. | 02-05-2009 |
20090039139 | FRICTION STIR WELDING LOAD CONFIRMATION SYSTEM - A portable multi-axis load confirmation tool having a rotating ball on the end thereof follows a three-dimensional weld program path therewith. The ball reacts to an internal load cell for verifying weld program path dynamics before an actual program is run with friction stir welding tools. The load cell is connected to instrumentation electronics converting a load cell signal to a digital readout and comparing the load cell signal to weld program load requirements. The tool integrates into a tool holder loaded on a friction stir welding spindle for simulating an actual friction stir welding tool. | 02-12-2009 |
20090120995 | FRICTION STIR WELD TOOLS, METHODS OF MANUFACTURING SUCH TOOLS, AND METHODS OF THIN SHEET BONDING USING SUCH TOOLS - Friction stir weld tools configured to bond or laminate thin sheets. Friction stir weld tools have a first shoulder, a pin extending from a friction surface of the first shoulder, and a second shoulder. In some embodiments, the second shoulder is secured at least partially around the first shoulder and includes an engagement surface longitudinally recessed with respect to the friction surface of the first shoulder. In additional embodiments, the second shoulder is proximate the first shoulder and rotationally fixed. In yet additional embodiments, the pin has a diameter that is greater than the height of the pin and the second shoulder is secured at least partially around the first shoulder. Methods include manufacturing such friction stir weld tools. Methods include friction stir welding using such tools. | 05-14-2009 |
20090200356 | FRICTION WELDING APPARATUS - A friction welding apparatus includes a first holder for holding a first work piece, a second holder for holding a second work piece, a thrust mechanism and a shaft. The thrust mechanism moves the second holder toward or away from the first holder. The shaft is connected to the first holder and the second holder for receiving thrust caused by the thrust mechanism. The shaft has a tie rod and an externally threaded member which is coaxially connected to the tie rod so that the externally threaded member is rotatable on an axis thereof. The thrust mechanism has the externally threaded member, an internally threaded member and a thrust motor. The internally threaded member is provided in either one of the first holder and the second holder and engaged with the externally threaded member. The thrust motor rotates the externally threaded member relative to the internally threaded member. | 08-13-2009 |
20100038405 | Spindle-integrated cooling and collection device for stir friction welder - A friction-stir welding apparatus includes a friction-stir welding tool, a spindle on which the tool is located, bearings supporting the spindle for rotational movement, and a heat sink that is mounted on the spindle between the friction-stir welding tool and the bearings. This arrangement reduces and/or eliminates the need for more expensive and complex cooling means, such as a water cooled jacket having seals and a pump. Expected benefits include increased reliability and economy of operation. | 02-18-2010 |
20110073634 | THREE-BODY JOINING USING FRICTION STIR PROCESSING TECHNIQUES - A friction stir tool is provided to perform friction stir riveting using a partially consumable pin, wherein the pin includes a cutting edge on a bottom surface thereof, wherein the tool is rotated at a first speed to enable cutting by the pin into a first material that is overlapping a second material, wherein after the pin has cut to a sufficient depth, the rotational speed of the tool is increased to thereby enable plasticization of the consumable pin, the first material, and the second material, wherein the tool is then rapidly decelerated until stopped, enabling diffusion bonding between the pin, the first material and the second material. | 03-31-2011 |
20110084116 | Friction stir welding machine and friction stir welding tool - A friction stir welding machine is provided that is adapted to perform solid phase welding on a welding portion of materials to be welded, by pressing a welding tool against the welding portion of the materials to be welded while rotating the welding tool, and forcing the welding tool to be advanced into a softened portion which is softened by a frictional heat while stirring the softened portion, wherein a coating made of aluminum nitride is formed on at least a region of the welding tool to be in contact with the materials to be welded. | 04-14-2011 |
20130221070 | BURRING APPARATUS FOR FRICTION WELDING MACHINE - A burring apparatus for a friction welding machine comprises a clamp unit provided at the front end of a horizontal main spindle, for holding work piece W | 08-29-2013 |
20150360317 | Friction Spot Welding and Friction Seam Welding - Systems and methods for spot welding and seam welding an upper material layer to a lower material layer using a rod. The rod can be a non-consumable rod or a consumable rod. | 12-17-2015 |
20160001394 | FRICTION WELDING ELEMENT, AND A METHOD FOR CONNECTING THE FRICTION WELDING ELEMENT TO A HOUSING - A friction welding method for fastening a connection bushing, such as a threaded bushing for example, in a housing. In order to improve the quality of the connection, the connection bushing is attached to the housing using a friction welding element. The friction welding element consists of the connection bushing, on which a friction welding shell with a radially outer friction welding contour is formed or molded. Connecting and sealing portions are produced between the friction welding element and the housing during the friction welding process by means of a special design of the friction welding contour. | 01-07-2016 |
20160067817 | CLAMPING METHOD AND APPARATUS - One example of the present disclosure relates to a method of processing first and second workpieces. The method includes constraining the second workpiece; abutting first and second workpieces together to form a joint; applying first and second selectively adjustable forces against the first workpiece to bias the first workpiece against the second workpiece; friction stir welding the first and second workpieces along the joint; maintaining the forces equal to each other while friction stir welding; and automatically varying at least one of the forces responsive to thermal size variations of the first and second workpieces. An apparatus for carrying out this method is also provided. | 03-10-2016 |
20160107262 | FABRICATION TOOLS FOR EXERTING NORMAL FORCES ON FEEDSTOCK - The present invention relates to tooling and methods for disposing, coating, building up, repairing, or otherwise modifying the surface of a metal substrate using frictional heating and compressive loading of a consumable metal material against the substrate. Embodiments of the invention include friction-based fabrication tooling comprising a non-consumable member with a throat and a consumable member disposed in the throat, wherein the throat is operably configured such that during rotation of the non-consumable member at a selected speed, the throat exerts normal forces on and rotates the consumable member at the selected speed; and comprising means for dispensing the consumable member through the throat and onto a substrate using frictional heating and compressive loading. Embodiments of the invention also include fabrication methods using the tools described herein. | 04-21-2016 |
20160199933 | Friction Stir Tool, Method for Manufacturing the Same, and Friction Stir Method | 07-14-2016 |
20160199934 | TOOL FOR FRICTION STIR WELDING | 07-14-2016 |
20180021883 | CONNECTING ELEMENT FOR PRODUCING A FRICTION-WELDING CONNECTION | 01-25-2018 |