| Entries |
| Document | Title | Date |
|---|
| 20080230584 | Method for Manufacturing a Workpiece by Friction Welding to Reduce the Occurrence of Abnormal Grain Growth - A method of manufacturing a workpiece is provided. The method generally includes friction stir welding at least one structural member, selectively removing material from the surfaces of the workpiece at the location of a friction stir weld joint, and thereafter subjecting the workpiece to a solution treat, quench, and age treatment. By selectively removing regions from the surfaces of the workpiece that are defined by nonuniform material properties adapted to nucleate nonuniform grain growth during the solution treat, quench, and age treatment, a subsequent grain growth during the thermal treatment can be at least partially prevented. | 09-25-2008 |
| 20080237304 | Engine component having friction welded inserts - A method of repairing an integral engine component is disclosed. The method of repairing the integral engine component may include removing a damaged portion of a first member to create a void. The method of repairing the integral engine component may also include friction welding in place a second member to at least partially fill the void. | 10-02-2008 |
| 20080237305 | High-Capacity Air Cargo Pallet Using Friction Stir Welding - This invention relates to methods for making high strength friction stir welded joints. Broadly the invention provides for a method for making a friction stir welded joint including the steps of applying an adhesive to one surface of a first material to be welded; applying a second material to be welded to the adhesive the first material; curing the adhesive; and forming a friction stir weld joint through the cured adhesive by friction stir welding. | 10-02-2008 |
| 20080296350 | Friction-Stir Tool with Form-Adaptable Shoulder - A friction-stir tool including a rotary-drivable tool body, at whose end facing away from the drive is provided a shoulder, from which extends in the direction of that end of the tool body that faces away from the drive, a rotatable rod-shaped projection that has a smaller diameter than the shoulder. The surface of the shoulder that points in the direction of the projection is form-adaptable. | 12-04-2008 |
| 20080308610 | Hollow structures formed with friction stir welding - A hollow structure, and a method of forming the hollow structure, where the hollow structure includes first and second metal parts, the second metal part having an interior surface and a tapered support member extending from the interior surface. The hollow structure also includes a friction stir welded joint that extends through the first metal part and into the tapered support member. | 12-18-2008 |
| 20080308611 | 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. | 12-18-2008 |
| 20090072007 | Friction Stir Welding Tool And Friction Stir Welding Method - A friction stir welding tool | 03-19-2009 |
| 20090095795 | TOOL ASSEMBLY USED WITH FRICTION STIR WELDING - A tool assembly which is particularly suitable for friction stir welding applications. The tool assembly includes a holder having an axis and one end adapted to be rotatably driven by a rotary drive mechanism about the holder axis. A tool having an axis is also provided and includes a tool tip at one end. A fastener detachably and coaxially secures the holder and tool together. This fastener includes a first part secured to the second end of the holder and a second part secured to the second end of the tool. | 04-16-2009 |
| 20090108050 | FRICTION STIRRING-JOINING METHOD AND METHOD OF MANUFATURING HOLLOW BODY | 04-30-2009 |
| 20090108051 | Method for joining components - A method for joining components is described, in particular, for joining a rotor blade to a rotor base member when manufacturing and/or repairing an integrally bladed gas turbine rotor. The method includes the following steps: providing two components to be assembled, respectively joined to one another; providing a joining part; mutually aligning the two components to be assembled and the joining part such that the joining part is positioned as an insert between the two components to be assembled; driving the two components being assembled with the joining part being interposed therebetween in that the joining part to execute a linear, reciprocating motion in opposition to the two stationary components to be assembled in order to generate the frictional motion, further comprising exerting an upsetting force via the joining part on the joint zones between the two stationary components and the joining part, namely in a direction that extends essentially perpendicularly to the frictional motion. | 04-30-2009 |
| 20090134203 | METHODS AND APPARATUS FOR FORMING TUBULAR STRINGS - An embodiment of a method for interconnecting tubular sections includes the steps of vertically positioning a second tubular above a first tubular forming a seam defined by a bottom end of the second tubular and a top end of the first tubular; positioning a friction stir welder (FSW) proximate to the seam; aligning the first tubular and the second tubular to form a longitudinal axis; and guiding the FSW along the seam forming a weld joint. | 05-28-2009 |
| 20090145949 | ATTACHING CONSTRUCTION AND WELDING METHOD - An attaching construction includes a first member having a circular tubular welding portion at a distal end and, at a rear end thereof, a holding portion which is integral with the welding portion. The attaching construction includes a second member having an annular first positioning rib, and an annular second positioning rib inside the first positioning rib. The welding portion is positioned within the first positioning rib, and the welding portion is friction welded in place within the first positioning rib while the first member is rotated. | 06-11-2009 |
| 20090152328 | APPARATUS FOR FRICTION STIR AND FRICTION STIR PROCESSING - An apparatus for a friction stir and a friction stir processing of the present invention suppress an occurrence of a surface defect in an area processed by the friction stir. The apparatus for the friction stir includes a tool having a columnar tip-side part, a rotating unit for rotating the tool on a central axis, a first pressing unit for pressing a tip of the tool rotated by the rotating unit against a work, a jig having a tool insertion hole into which the tip-side part of the tool is inserted so that the tip-side part of the tool is encircled around the jig, a second pressing unit for slidably pressing the jig against the work, and a press control unit for controlling the first pressing unit so that the tip-side part of the tool is gradually pulled out of the work by the first pressing unit while moving the tool and the jig relative to the work, in a state that the tool is rotated by the rotating unit and the tip of the tool has been sunk into the work to a predetermined depth by the first pressing unit. | 06-18-2009 |
| 20090159643 | METHOD FOR JOINING TUBE PLATES AND TUBES AS WELL AS FRICTION TOOL TO CARRY OUT THE METHOD - The invention relates to a method for the joining of tube plates ( | 06-25-2009 |
| 20090166395 | METHOD OF JOINING METAL MATERIAL - Metal materials made of iron (Fe) or the like are butted together at a joint, and a probe of a rotary tool is inserted into the joint. The rotary tool is rotated while being moved in the lengthwise direction of the joint, whereby the metallographic structure of the joint is stirred, and the metal materials are joined. While the rotary tool is being rotated and moved, liquid CO | 07-02-2009 |
| 20090173769 | Welding of Single Crystal Alloys - A blade member is oscillated in the direction of arrow A-A relative to a rim of a disc; a forge force is applied radially and a weld is formed along line; the blade member is formed from a face centred cubic (FCC) nickel based single crystal alloy, such as CMSX-4 of Cannon-Muskegon Corporation; the orientation of the single crystal blade member is controlled to maximize the stress on the slip plane; by maximizing the stress on the slip plane the in-plane friction forces and the forge force are minimized; minimizing the in-plane forces enables the single crystal blade member to be successfully welded to the rim of the disc. | 07-09-2009 |
| 20090179065 | 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. | 07-16-2009 |
| 20090188968 | Friction Stir Welding Process - The invention relates to a process for the friction stir welding of two panels ( | 07-30-2009 |
| 20090200359 | REDUCING SHEET DISTORTION IN FRICTION STIR PROCESSING - Local heat may be generated through surfaces of sheet metal workpieces by supporting the workpiece(s) on a hard surfaced anvil and engaging the opposite surface of the workpiece with a rotating, and optionally translating, friction stir tool that is pressed against the work surface. Advantages are realized in friction stir processing (e.g. seam or spot welding) of such sheet metal workpieces by using an anvil with appreciable thermal conductivity, or a liquid cooled anvil body, to suitably cool the site(s) of the workpiece engaged by the friction stir tool to minimize or eliminate distortion of the workpiece. | 08-13-2009 |
| 20090212092 | METHOD FOR FORMING FRICTION WELDED COMPRESSION BASED TUBULAR STRUCTURES - A method of making a compression based tubular structure having at least one structural joint using the friction welding process to improve the durability of tubular structures and structural integrity via increased resistance to tension and fatigue type loading and resistance to corrosion. A method of making a compression based tubular structure having at least one structural joint using the friction welding process is provided. In addition, a compression based tubular structure is provided. The compression based tubular structure comprises at least one tubular structure joint, at least one pair of flanges that surround each tubular joint, and a plurality of tension rods that connect the pair of flanges that surround the tubular structure joint. | 08-27-2009 |
| 20090230173 | ADVANCED MULTI-SHOULDERED FIXED BOBBIN TOOLS FOR SIMULTANEOUS FRICTION STIR WELDING OF MULTIPLE PARALLEL WALLS BETWEEN PARTS - The present invention discloses a multi-shouldered friction stir welding tool. The multi-shouldered friction stir welding tool comprises an integral shank-pin unit having a plurality of pin portions on the shank-pin unit, where the plurality of pin portions for driving into a plurality of joints to perform a friction stir welding operation on the corresponding plurality of joints and, where a shank portion of the shank-pin unit is for attachment to an optional axial tension rod, each of the friction stir welding modules comprises a pair of shoulders that is connected to the shank-pin unit where each shoulder has a distal end and a proximal end, where the proximal end of each shoulder faces the pin portion of the shank-pin unit, whereby the shoulder and pin(s) rotate in unison, and a pair of split collars or a pair of nuts that is connected to the shank-pin unit and faces the distal end of each shoulder, where the plurality of friction stir welding modules are connected to each other whereby the modules rotate in unison to simultaneously make a plurality of parallel welds. In addition, a method of friction stir welding a plurality of joints simultaneously comprising using at least one multi-shouldered friction stir welding tool is provided. | 09-17-2009 |
| 20090236403 | MULTIPLE PASS AND MULTIPLE LAYER FRICTION STIR WELDING AND MATERIAL ENHANCEMENT PROCESSES - Processes for friction stir welding, typically for comparatively thick plate materials using multiple passes and multiple layers of a friction stir welding tool. In some embodiments a first portion of a fabrication preform and a second portion of the fabrication preform are placed adjacent to each other to form a joint, and there may be a groove adjacent the joint. The joint is welded and then, where a groove exists, a filler may be disposed in the groove, and the seams between the filler and the first and second portions of the fabrication preform may be friction stir welded. In some embodiments two portions of a fabrication preform are abutted to form a joint, where the joint may, for example, be a lap joint, a bevel joint or a butt joint. In some embodiments a plurality of passes of a friction stir welding tool may be used, with some passes welding from one side of a fabrication preform and other passes welding from the other side of the fabrication preform. | 09-24-2009 |
| 20090250505 | GIMBALLING ROLLER DEVICE FOR FRICTION STIR WELDING APPARATUS AND METHOD - A friction stir welding (FSW) apparatus has an FSW tool adapted for joining work pieces supportable against a backing anvil. The FSW apparatus comprises a pair of clamping rollers maintained in substantially perpendicular relationship to the backing anvil as the FSW tool moves along the tool path. A roller pivot joint of the FSW apparatus maintains a cylindrical roller outer surface of each clamping roller in substantially parallel relationship to the top sides of the work pieces. The roller pivot joint may include a gimballing roller bearing to which the clamping roller is mounted. The roller bearing is universally movable in a variety of directions to maintain the perpendicular relationship of the clamping rollers relative to the backing anvil. | 10-08-2009 |
| 20090261146 | Donor material technology for friction stir welding - A method and apparatus is disclosed for forming a friction stir weld joint using a friction stir tool. A first metallic work material and a second metallic work material are provided and are substantially abutted to define a joint interface having a weld surface. A quantity of metallic donor material is provided and deposited into a depression formed in the weld surface along the joint interface. A friction stir welding tool having a shoulder and a pin depending from the shoulder is provided and applied against the donor material within the depression using a plunge force. The friction stir welding tool is rotated such that the pin contacts the donor material and heats the donor material to plasticize at least a portion of the donor material forming a friction stir weld joint. The friction stir welding tool is then urged along the joint interface. | 10-22-2009 |
| 20090266870 | JOINED COMPOSITE STRUCTURES WITH A GRADED COEFFICIENT OF THERMAL EXPANSION FOR EXTREME ENVIRONMENT APPLICATIONS - An integrated composite structure with a graded coefficient of thermal expansion (CTE) is formed by selecting a plurality of layers of materials with a graded CTE and using joining approaches such as welding, brazing, or solid state bonding to produce a CTE-graded layered composite or near net shape. The integrated composite billet or near net shape is then processed to produce a first surface for attachment of a first structural member having a first CTE and to produce a second surface of for attachment of a second structural member having a second CTE. | 10-29-2009 |
| 20090283571 | METHOD OF ENHANCING FATIGUE STRENGTH OF FRICTION WELDED JOINT WITH BURRS - The present invention provides a method of enhancing a fatigue strength of a burr toe portion in the vicinity of a friction welded joint with burrs, so that the fatigue strength in the vicinity of the friction welded joint with burrs becomes equivalent to or superior to the strengths of the base bodies of the metallic members, the friction welded joint being obtained by welding two metallic members together by a friction welding technique. | 11-19-2009 |
| 20090294514 | FRICTION STIR WELDING IMPROVEMENTS FOR METAL MATRIX COMPOSITES, FERROUS ALLOYS, NON-FERROUS ALLOYS, AND SUPERALLOYS USING A SUPERABRASIVE TOOL - A friction stir welding system that enables clamping of a pipe to enable friction stir welding around the pipe OD, a movable mandrel that provides a counter-force to the pressure exerted on the outside of a pipe by a tool, and a system for providing friction stir welding and repair inside a nuclear vessel in an underwater environment. | 12-03-2009 |
| 20090308913 | DEVICE FOR USE WITH A FRICTION STIR SPOT WELDING (FSSW) APPARATUS - A device for use with a welding apparatus, such as a friction stir spot welding (FSSW) apparatus, that maintains work pieces in a generally flat or flush orientation during a welding operation. The device can be mounted to the operable end of an FSSW apparatus so that it exerts a stabilizing force against an upper work piece. The stabilizing force exerted by the device prevents the upper work piece from deflecting when the rotating tool of the FSSW apparatus passes through the upper work piece and penetrates into the lower work piece. In an exemplary embodiment, the device includes a housing component that slidably receives a movable component under the force of a biasing component. | 12-17-2009 |
| 20090314823 | Method of friction welding - A method of friction welding comprises providing a first workpiece ( | 12-24-2009 |
| 20100012706 | METHOD AND STRUCTURE FOR JOINING MEMBERS - Provided are a method and a structure for joining members suited for reinforcement of a shape. | 01-21-2010 |
| 20100038407 | METHODS OF HARDBANDING JOINTS OF PIPE USING FRICTION STIR WELDING - A method for applying a wear reducing material to a tool used in a wellbore operation that includes welding a hardfacing alloy to a surface of the tool, wherein the welding comprises friction stirring the alloy into the tool's surface is disclosed. Methods of welding a preformed sleeve or width of wear reducing material using friction stirring are also disclosed. | 02-18-2010 |
| 20100038408 | METHODS OF TREATING HARDBANDED JOINTS OF PIPE USING FRICTION STIR PROCESSING - A method for treating a wear reducing material welded to a surface of a tool used in a wellbore operation that includes friction stirring the wear reducing material into the surface of the tool is disclosed. Method for improving the properties of a wear reducing material on a tool are also disclosed. | 02-18-2010 |
| 20100044415 | Sputtering target assembly and method of making same - A method for producing a sputtering target assembly bonded to a backing plate. The method includes bonding a target ( | 02-25-2010 |
| 20100084456 | CLINCHING METHOD AND TOOL FOR PERFORMING THE SAME - A clinching method includes establishing a first layer on a second layer. The first layer has an aperture formed therein and is thinner than the second layer. A rotating punch is engaged with the second layer through the aperture in the first layer, thereby generating frictional heat and softening the second layer. The rotating punch is configured with at least a first diameter, a shoulder, and a second diameter that is larger than the first diameter. The rotating punch is pressed into the softened second layer, thereby causing at least some of the second layer to: back extrude through an annulus defined by the aperture in the first layer and at least one of the diameters of the punch; contact the shoulder of the rotating punch; and extend onto a surface of the first layer adjacent the aperture. | 04-08-2010 |
| 20100147925 | APPARATUS AND METHOD FOR FRICTION SURFACING USING A CONSUMABLE PIN TOOL - A friction surfacing apparatus and method for depositing one or more metals, metal alloys, or other materials is disclosed. The friction surfacing apparatus includes a pin tool holder, a non-consumable shoulder having an inside diameter and an outside diameter, the inside diameter terminating at an end wall and includes an angled side wall that forms a substantially frustoconical opening at one end, and a consumable pin tool coupled to the pin tool holder and at least partially protruding from the end wall of the shoulder. The shoulder is maintained at a predetermined distance from a surface of a workpiece such that the consumable pin tool deposits pin tool material onto the surface of the workpiece during a friction surfacing operation. | 06-17-2010 |
| 20100163603 | ADVANCED MULTI-SHOULDERED FIXED BOBBIN TOOLS FOR SIMULTANEOUS FRICTION STIR WELDING OF MULTIPLE PARALLEL WALLS BETWEEN PARTS - A multi-shouldered friction stir welding tool ( | 07-01-2010 |
| 20100193572 | DAMPING DEVICE, WELDING SYSTEM FOR ROTARY FRICTION WELDING AND ROTARY FRICTION WELDING METHOD - The invention relates to a damping device ( | 08-05-2010 |
| 20100200642 | 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. | 08-12-2010 |
| 20100213244 | MODULAR FRICTION WELDING HEAD AND ASSOCIATED SYSTEMS AND METHODS - Modular friction welding heads and associated systems and methods are disclosed herein. A friction welding system in accordance with a particular embodiment includes a carrier fixture positioned to carry a workpiece, a head support positioned proximate to the carrier fixture, and a modular friction welding head releasably carried by the head support. At least one of the carrier fixture and the head support can have a guide structure with a constrained motion path positioned to guide relative motion between the modular friction welding head and the carrier fixture. A controller can be operatively coupled to the modular friction welding head and programmed with instructions to control the operation of the friction welding head. | 08-26-2010 |
| 20100219230 | 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. | 09-02-2010 |
| 20100252614 | METHOD FOR WELDING METAL MATERIAL - Metallic materials having a melting point of at least 2000° C. are caused to abut against each other in a welding part. The rear face side of the welding part is covered by a backing member having a thermal conductivity of 30 W/mK or lower, and then a columnar probe of a rotary tool comprising an Ir alloy is inserted into the front face side of the welding part to weld the metallic materials together. On the front face side of the welding part, inactive gas is supplied into a shield cover. The rotary tool is moved along a longitudinal direction of the welding part while rotating the rotary tool, whereby the metallic materials are welded together. By using the rotary tool comprising an Ir alloy, the refractory metals can be welded to each other by means of friction stir welding. | 10-07-2010 |
| 20100288820 | DOUBLE-SHOULDERED WELDING DEVICE FOR THE FRICTION STIR WELDING OF PARTS, AND WELDING METHOD - The invention relates to a double shouldered welding device for the friction stir welding of parts, in which at least one shoulder has two concentric rings providing two plane concentric bearing surfaces, the rings being arranged so that the smaller-diameter ring is capable of compressing the stirred material of the parts to be welded during advance of the welding device and so that the larger-diameter ring is capable of forming a sink-in stop for the smaller-diameter ring. The invention also relates to a method of friction stir welding by means of the welding device according to the invention, in which said device is force-driven. | 11-18-2010 |
| 20110000952 | Friction-stir Weld-tool and Method - A method for joining a tube and tube plate for use in a tube-and-shell heat exchanger is disclosed. The method enables a joint between the tube and tube plate that is substantially hermetic and substantially corrosion-resistant. The method comprises providing an anvil inside the tube, wherein the anvil supports the tube wall during a friction-stir welding process used to join the tube and tube plate. The anvil facilitates formation of a reliable weld region and enables faster friction-stir welding. | 01-06-2011 |
| 20110031299 | METHOD OF FRICTION WELDING - A method of friction welding comprising providing a first workpiece ( | 02-10-2011 |
| 20110132968 | FRICTION STIR WELDING METHOD - A friction stir welding method includes providing a joining tool including a friction surface; providing a first workpiece and a second workpiece; arranging the first workpiece and second workpiece in position with a first joining surface abutting a second joining surface, a friction surface of a joining tool resisting at least one of the first treating surface and the second treating surface; positioning, rotating and moving the joining tool to rub and stir at least one of the first workpiece and the second workpiece, thus plasticizing at least part of the first workpiece and the second workpiece to join the first workpiece and the second workpiece. | 06-09-2011 |
| 20110132969 | FRICTION STIR WELDING METHOD AND FRICTION STIR WELDED HOUSING - A friction stir welding method utilizes a joining tool comprising a friction surface; a first workpiece comprising a first treating layer, a second workpiece comprising a second treating layer, and a joining member with a melting point lower than that of the first workpiece and the second workpiece. The joining member is arranged at the joining portion of the first workpiece and the second workpiece, and abutting the first workpiece and the second workpiece. The friction surface of the joining tool is positioned to resist at least one of the first treating layer and the second treating layer. The joining tool is rotated and moved to agitate at least one of the first workpiece and the second workpiece, until at least part of the first workpiece and the second workpiece are plasticized and joined together. | 06-09-2011 |
| 20110132970 | FRICTION STIR METHOD - A friction stir welding method includes providing a joining tool, a mold comprising a top surface and a cutout defined from the top surface, and a workpiece comprising a treatable layer and arranged on the top surface of the mold. The joining tool resists the workpiece, and rotates and moves to agitate the treatable layer of the workpiece along an extending direction of the cutout of the mold, until a protrusion integrated with the workpiece is formed in the cutout of the mold. | 06-09-2011 |
| 20110174866 | High-Speed Friction Stir Welding - Contemplated systems and methods significantly improve friction stir welding of hard metals and particularly steel and stainless steel. Among other factors, the inventors found that high transverse velocity of the tool is critical to obtain predictable and desirable weld quality, which is preferably achieved in such materials by minimizing spindle run out. Moreover, the transverse and angular velocities are preferably selected such as to achieve a temperature in the weld that is below the phase change temperature and/or the solid state transformation point of the materials. | 07-21-2011 |
| 20110204122 | HOLLOW STRUCTURES FORMED WITH FRICTION STIR WELDING - A hollow structure, and a method of forming the hollow structure, where the hollow structure includes first and second metal parts, the second metal part having an interior surface and a tapered support member extending from the interior surface. The hollow structure also includes a friction stir welded joint that extends through the first metal part and into the tapered support member. | 08-25-2011 |
| 20110248070 | METHOD AND DEVICE FOR THE FRICTION STIR WELDING OF TWO COMPONENTS - A method for the friction stir welding of two components, in particular of two shell components of a fuselage structure of an aircraft and spacecraft, said method comprising the following method steps: positioning the two components relative to one another in such a way that a connection region is formed between the two components; friction stir welding the two components by means of a friction stir welding tool which penetrates the connection region in order to produce a weld which permeates the connection region with the formation of an unpenetrated weld edge portion of the connection region; and introducing internal compressive stresses, at least in the weld edge portion of the connection region. Further a device for the friction stir welding of two components, in particular of two shell components of a fuselage structure of an aircraft and spacecraft is provided. | 10-13-2011 |
| 20110266330 | FILLER ROTATED FRICTION STIR WELDING - A friction stir welding method including: feeding a filler material through a first passage in a friction stir weld tool and into a substrate during friction stir welding of the substrate; and rotating the filler material with respect to the substrate while feeding the filler material. In this method, heat generated by rotational frictional contact of the filler material contributes to plasticization of the filler material. | 11-03-2011 |
| 20110315744 | METHOD FOR MAKING A METAL CONNECTING ROD REINFORCED WITH LONG FIBERS - The invention relates to a method of fabricating a connecting rod, the method including: fabricating a body ( | 12-29-2011 |
| 20120006883 | APPARATUS AND METHOD FOR FRICTION STIR WELDING - The apparatus includes a welding head having a welding tool to be pressed against workpieces and a rotation drive unit to drive the welding tool to be rotated; a head drive unit to drive the welding head to be displaced, the head drive unit including a cylinder actuator having a piston rod to which the welding head is attached; a first pressure unit to supply a pressure fluid into a first chamber of the cylinder actuator; a second pressure unit to supply a pressure fluid into a second chamber of the cylinder actuator; a control unit to control pressures of respective pressure fluids supplied by the first pressure unit and the second pressure unit. | 01-12-2012 |
| 20120018492 | FRICTION STIR WELDING METHOD - A friction stir welding method includes providing a joining tool including a friction surface, a first workpiece, and a second workpiece, and arranging the first workpiece and second workpiece in position with a first joining surface abutting a second joining surface. A friction surface of a joining tool resists at least one of the first treating surface and the second treating surface, and the first workpiece and the second workpiece cooperatively define a slot. Then positioning, rotating, and moving the joining tool to rub and stir at least one of the first workpiece and the second workpiece, thus plasticizing at least part of the first workpiece and the second workpiece to join the first workpiece and the second workpiece. | 01-26-2012 |
| 20120055977 | SYSTEM FOR USING HIGH ROTARY SPEED FOR MINIMIZING THE LOAD DURING FRICTION STIR WELDING - A system and method for using Friction Stir Spot Joining (FSSJ) to join workpieces made of Advanced High Strength Steels (AHSS), wherein a first embodiment is a FSSJ tool that has no surface features, and wherein the rate of rotation of the FSSJ tool is much higher than is used in other FSW techniques to thereby reduce torque by causing plasticization of the AHSS on a small scale, and in a second embodiment, conventional FSSJ tools can be used at conventional FSSJ speeds if the FSSJ tool is manufactured from conductive tool materials having a high hardness, and heating of the FSSJ tool and/or the workpieces enhances the ability of the FSSJ tool to functionally weld the AHSS. | 03-08-2012 |
| 20120118937 | FRICTION STIR WELDING METHOD AND ITS DEVICE - In a friction stir welding method, a tool is moved being rotated along portions to be joined of a work piece, where the portions include a corner with a smaller curvature that connect two portions with larger curvatures. The method includes the steps of setting the work piece on a supporting member, rotating the tool around a center axis thereof, moving the tool toward the work piece to penetrate a portion of the tool into the work piece at the portions to be joined, and moving and turning the tool along the portions to be joined. A rotation speed of the tool around the center axis thereof is decreased to be smaller at the corner with the smaller curvature than the rotation speed of the tool around the center axis thereof at the portions with the larger curvatures. | 05-17-2012 |
| 20120153007 | METHOD OF AN APPARATUS FOR FRICTION STIR SPOT WELDING WITH ADAPTED NUMBER OF SHOULDERS WITH RESPECT TO THICKNESSES OF PLATES TO BE SPOT WELDED - A method and an apparatus for friction stir spot welding together at least two metal sheets is described. A tool comprising a stepwise decreasing diameter towards the welding end is used. Each stepwise decrease in diameter defines a shoulder. The first shoulder is situated at a distance (x) from the welding end which is larger than zero and smaller than the minimum thickness (Wmin) of one of the metal sheets, and wherein a higher number of shoulders than the number of metal sheets to be joined, are situated within a distance (L) from the welding end that is smaller than the maximum thickness (Wmax) of a metal sheet times the number of metal sheets to be joined minus one. | 06-21-2012 |
| 20120193401 | ROTATION TOOL FOR JOINING INNER CORNER AND JOINING INNER CORNER METHOD USING THE SAME - The present invention provides an economic rotation tool for joining a pair of metal members which form an inner corner by abutting the pair of metal members ( | 08-02-2012 |
| 20120248175 | COATED ROTARY TOOL - There is provided a tool for friction stir welding, which is capable of promoting temperature rise of materials to be joined during joining to achieve friction stir welding in a short time, is excellent in heat insulating property of a coating layer, and is excellent in oxidation resistance and wear resistance. A tool for friction stir welding according to the present invention is a tool for friction stir welding including a base material and a coating layer formed on the base material, wherein the coating layer is formed of one or more layers, and at least one layer of the coating layer has a thermal permeability of 5000 J/s | 10-04-2012 |
| 20120273555 | FRICTION STIRRING AND ITS APPLICATION TO DRILL BITS, OIL FIELD AND MINING TOOLS, AND COMPONENTS IN OTHER INDUSTRIAL APPLICATIONS - Solid state processing is performed on a workpiece that operates alone or is a component of equipment used in various demanding, harsh and wearing environments in which failure of a product could compromise safety or the environment or otherwise result in significant cost for repair or replacement, wherein the solid state processing performed by using a tool capable of friction stir processing, friction stir mixing, or friction stir welding results in a workpiece that offers a longer life-cycle and/or improved performance and/or improved reliability as a result of the solid state processing. | 11-01-2012 |
| 20120298727 | SELF-GUIDING FRICTION STIR WELDING APPARATUS AND METHOD - One embodiment of a friction stir welding apparatus comprises two friction stir welding tools on a carriage. The first friction stir welding tool is capable of rotating in a first direction. The second friction stir welding tool is capable of rotating in a second direction, counter to the first direction. The first friction stir welding tool and the second friction stir welding tool are operable to weld simultaneously and in tandem along an intersection of at least two work pieces. | 11-29-2012 |
| 20120325894 | METHOD FOR WELDING HOLLOW STRUCTURE - In the method for welding a hollow structure of the present invention, a rib is placed between a first joining member and a second joining member, and friction stir welding and fixing a place where the rib is placed between the first and the second joining member are conducted. Thus, friction stir welding is accomplished without changing the shape of an extrusion part or partly changing the shape of the extrusion part with insertion of a simply shaped rib. | 12-27-2012 |
| 20120325895 | ADVANCED MULTI-SHOULDERED FIXED BOBBIN TOOLS FOR SIMULTANEOUS FRICTION STIR WELDING OF MULTIPLE PARALLEL WALLS BETWEEN PARTS - A multi-shouldered friction stir welding tool comprises an exterior threaded solid pin having a diameter and a length; a shoulder having a threadless inner diameter slightly larger than the diameter of the exterior threaded solid pin and at least one substantially radial threaded set screw hole; an monolithic shoulder-shank having a threadless inner diameter slightly larger than the diameter of the exterior threaded solid pin and at least one substantially radial threaded set screw hole; a pair of locking nuts having a threadless outer diameter and a threaded inner diameter operably compatable with the exterior threaded solid pin, wherein the shoulder and the monolithic shoulder-shank are capable of slidable engagement with the exterior threaded solid pin along the length of the exterior threaded solid pin to set a space slightly larger than a thickness of a work piece to be welded. | 12-27-2012 |
| 20130032630 | FRICTION STIR WELDING REPAIRING METHOD OF METALLIC HOUSING - A friction stir welding repairing method for repairing a defective welding area, in which the defective welding area is defined in a predetermined welding area of a metallic housing, is described as follows. A repairing welding tool has a main portion and a stir end extending from an end of the main portion, and a diameter of the stir end is larger than a diameter of the defective welding area. The repairing welding tool is rotated and inserted to a region of the predetermined welding area adjacent to the defective welding area. The repairing welding tool is rotated and moved across the defective welding area. The repairing welding tool is pulled out of the predetermined welding area, and then the defective welding area is cooled. | 02-07-2013 |
| 20130037601 | METHOD AND APPARATUS FOR FRICTION STIR WELDING TUBE ENDS FOR A HEAT EXCHANGER - A method for forming a joint between a tube and a sheet includes forming an anvil at least within the tube, and welding the tube to the sheet in the presence of the anvil. The anvil includes an anchor which is placed within the tube near or at the joint to be formed. At least one washer is placed over the end of the anchor that is near the joint to be formed. A threaded fastener is then placed into the anchor to securely hold the anchor within the tube and to provide a backing substantial enough so that a friction stir weld can be formed. The threaded fastener and the washer can be used as a guide for the friction stir weld. Once the weld is completed, the anvil can be removed. The weld can be further processed to remove burrs and other material. | 02-14-2013 |
| 20130082088 | METHOD AND APPARATUS FOR REPAIRING A COMPONENT - A method for repairing an aircraft component includes removing a portion of the aircraft component to create an opening within the aircraft component. The method also includes creating a patch, inserting the patch into the opening such that a welding location is defined, and coupling the patch to the aircraft component using a friction stir welding process. The friction stir welding process includes inserting a portion of a friction stir welding device into the welding location. The method also includes causing the portion of the friction stir welding device to enter an interior of the patch and removing the portion of the friction stir welding device from the patch at the ramp. | 04-04-2013 |
| 20130087604 | ROTARY TOOL - A friction stir welding tool is provided which allows for excellent wear resistance and high joining strength even in a process of joining difficult-joining materials. A friction stir welding tool of the present invention is used for a friction stir welding process and includes a base material. The base material includes a hard phase and a binder phase. The hard phase includes TiCN. The binder phase is made of an iron group metal. A mass ratio B | 04-11-2013 |
| 20130112736 | FRICTION STIR SPOT WELDING DEVICE AND MEMBER SUPPORT THEREFOR - A member support of a friction stir spot welding device has a backing piece having a bearing surface that contacts work-pieces, and a supporting body that supports the backing piece. In the backing piece, the amount of change (δ) in the position of the bearing surface on the extension line of the central axis of rotation between a state in which the bearing surface is in a reference state perpendicular to the central axis of rotation (Ac) of a rotary tool) and a state in which the bearing surface tilts in response to the tilting of the work-pieces, is less than or equal to a predetermined embedding amount (ds) with which the shoulder part of the rotary tool is embedded in the work-pieces. | 05-09-2013 |
| 20130119115 | FRICTION STIR WELDING DEVICE - A friction stir welding device ( | 05-16-2013 |
| 20130206817 | Method and Device for Friction Stir Welding - A method for friction stir welding two components, with a rotating tool that comprises a rotating or non-rotating shoulder surface for subjecting the components to a process force in the region of a joining zone, and with a stirring pin for stirring plasticized material or for plasticizing and stirring the components in the region of the joining zone, in which method a stirring pin with a section slidably plunges in a slide on which the components are supported, which slide is guided along the joining zone on a side of the component, which side faces away from the tool, so that during welding an automatic relative movement between the stirring pin and the slide or the shoulder surface of the tool and a support surface of the slide, which support surface supports the components, is made possible, as well as a device for implementing such a method. | 08-15-2013 |
| 20130299560 | DISPOSABLE MANDREL FOR FRICTION STIR JOINING - A system and method for providing a mandrel that can be used to react the loads that are created by a friction stir joining tool as it performs friction stir joining of tubulars, the mandrel selected from a disposable mandrel, a partially disposable mandrel, a reusable mandrel, and a mandrel that is partially disposable and partially reusable. | 11-14-2013 |
| 20140021244 | Method of Manufacturing Coil Tubing Using Friction Stir Welding - A method of manufacturing coiled tubing comprises joining two portions of parent stock metal by friction stir welding. The adjoining portions of said two portions of parent stock metal are first reduced to a deformable plastic state, and then allowed to cool in such a manner that there is no re-crystallization of parent stock metal in a resulting weld. | 01-23-2014 |
| 20140034709 | FRICTION STIR PROCESSING APPARATUS AND FRICTION STIR PROCESSING METHOD - A friction stir processing apparatus comprises a tool, a processing head retaining the tool, a support table retaining the workpiece, and a cylinder unit biasing the support table toward the tool. The tool having a probe projecting from a shoulder surface, for performing friction stir processing on a workpiece made of a metal material. The processing head is pressing the tool against the workpiece so as to relatively shift the tool in a processing direction. The friction stir processing apparatus comprises load control means for controlling to constantly keep the bias force of the cylinder unit so as to constantly keep pressurizing force of the tool pressing the workpiece. It is thus possible to perform friction stir processing with excellent quality even when the workpiece has a different thickness or is made of a different material. | 02-06-2014 |
| 20140034710 | 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. | 02-06-2014 |
| 20140069985 | FRICTION STIR SPOT WELDING DEVICE AND FRICTION STIR SPOT WELDING METHOD - A tool driving section of a friction stir spot welding device is configured to cause each of a pin member and a shoulder member to advance and retract, and is controlled by a tool driving control section. A press-fit reference point setting section sets a position where the pin member or the shoulder member contacts an object to be welded as a press-fit reference point, and the tool driving control section controls the position of the pin member with respect to the shoulder member on the basis of the press-fit reference point, thereby controlling the press-fit depth of a rotating tool press-fitted from the surface of the object to be welded. This achieves the excellent welding quality at suitable precision according to welding conditions especially in a double-acting friction stir spot welding method. | 03-13-2014 |
| 20140069986 | FRICTION STIR SPOT WELDING DEVICE AND FRICTION STIR SPOT WELDING METHOD - A tool driving section of a friction stir spot welding device is configured to advance and retract each of a pin member and a shoulder member. A tool driving control section is configured to control the tool driving section such that an absolute value of a tool average position Tx defined by a following equation:
| 03-13-2014 |
| 20140069987 | PROCESS AND SYSTEM FOR FRICTION STIR WELDING OF A STIFFENER ON AN AIRCRAFT PANEL - Process for linear transparency friction stir welding of a flange of a stiffener onto at least one panel for an aircraft, wherein a weld bead is made along the flange of the stiffener and wherein the weld bead extends in cross-section from a first lateral edge to an opposite second lateral edge of the stiffener flange. System for the implementation of the above welding process, which includes three welding heads arranged as a triangle, each of which includes a rotating pin as well as a shoulder extending at the base of said rotating pin. | 03-13-2014 |
| 20140076957 | FRICTION-STIR JOINING METHOD - Disclosed is a friction-stir joining method for joining a first member, having a base metal covered with a substance different from the base metal, with a second member with the second member placed on the first member by moving a joining tool along a joining line having thereon a joining start point and a joining finish point. The method includes steps of inserting the joining tool into the second member at the joining start point; moving the joining tool a predetermined distance along the joining line in a direction opposite the joining finish point; causing the joining tool to turn back at a turning-back point spaced the predetermined distance from the joining start point; moving the joining tool along the joining line to the joining finish point past the joining start point; and pulling the joining tool out from the second member at the joining finish point. | 03-20-2014 |
| 20140084044 | COATED ROTARY TOOL - There is provided a tool for friction stir welding, which is capable of promoting temperature rise of materials to be joined during joining to achieve friction stir welding in a short time, is excellent in heat insulating property of a coating layer, and is excellent in oxidation resistance and wear resistance. A tool for friction stir welding according to the present invention is a tool for friction stir welding including a base material and a coating layer formed on the base material, wherein the coating layer is formed of one or more layers, and at least one layer of the coating layer has a thermal permeability of 5000 J/s | 03-27-2014 |
| 20140097230 | WASHING MACHINE WITH A DIRECT DRIVE SYSTEM - A washing machine with a direct drive system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum at a first end for transmission of a driving force of a direct drive motor, a coaxial support connected to a rear portion of the tub and having a first seat for a first bearing supporting a second end of the shaft opposite the drum, a stator secured to the coaxial support and having a plurality of magnetic cores, a rotor including permanent magnets and connected to the shaft, and a second bearing for supporting the shaft between the second end and the first end. The tub is made of polymeric material in which a second seat for said second bearing is co-molded. | 04-10-2014 |
| 20140131426 | FRICTION WELDING - A welding tool for friction welding a workpiece, the tool including: a probe having a core including a ceramic material, the probe having a surface coating including a metallic material covering at least part of a contact zone of the probe. | 05-15-2014 |
| 20140144972 | FRICTION PROCESSING TOOL, AND FRICTION PROCESSING APPARATUS AND FRICTION PROCESSING METHOD USING THE SAME - Provided are a friction processing tool in which a service life of the tool is improved and which can reduce a labor hour for manufacturing and a manufacturing cost, and a friction processing apparatus and a friction processing method using the same. In a friction working tool | 05-29-2014 |
| 20140158750 | VIBRATION DAMPENING DEVICE FOR THE MANUFACTURE OF A ROTOR - The invention relates to a vibration dampening device ( | 06-12-2014 |
| 20140166731 | FRICTION STIR WELDING METHOD - The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members ( | 06-19-2014 |
| 20140203067 | Welding Tool Comprising a Shoulder, Welding Method and Workpiece - A welding tool for connecting at least two workpieces at a connection region by friction stir welding includes a shoulder that separates the connection region from the surroundings. The shoulder is designed as a molding tool to mold during the friction stir welding. | 07-24-2014 |
| 20140217154 | 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. | 08-07-2014 |
| 20140312099 | FRICTION STIR WELDING TOOL MADE OF CEMENTED TUNGSTEN CARBIDE WITH NICKEL AND WITH A AL2O3 SURFACE COATING - A friction stir welding tool for welding of metallic plates and especially steel plates. The friction stir welding tool is made of cemented carbide comprising WC grains in a binder phase and wherein the welding tool is at least partly coated with a surface coating comprising Al | 10-23-2014 |
| 20140326781 | Linear Friction Welding Method - A linear friction welding method and linear friction welding apparatus for joining two work pieces. The method involves vibrating a third weld component, or “coupon” between the two principle work pieces under a welding pressure. Friction between the coupon and work pieces causes the material at the weld surfaces to plasticize. Abruptly halting the vibration and pressing the work pieces against the coupon under a final load or forging pressure sets the weld interface. | 11-06-2014 |
| 20140361069 | Friction Stir Processing Tool and Friction Stir Processing Method For a Workpiece Having Surface Coating - A friction stir processing tool having a shoulder, which is implemented on a body, and which has a friction surface for pressing against at least one workpiece at least partially provided with a surface coating, and a friction reducing unit for reducing the friction resistance between the surface coating and the friction surface. | 12-11-2014 |
| 20140367452 | METHOD OF FRICTION STIR WELDING - A method of friction stir welding is provided. The method includes providing a stir tool configured to rotate about and move along a stir tool axis and includes a pin with a pin axial end surface and a pin tapered surface that extends radially outwardly from the pin axial end surface. The method further includes providing the first member with a first member faying surface and defining a normal line that is normal to the first member top surface, is perpendicular to a longitudinal axis, and extends through a reference point. The method further includes providing the second member with a second member faying surface and forming a joint interface between the first and second members. The method further comprises contacting the rotating pin with the second member faying surface, the stir tool axis being disposed at a side tilt angle upon contact. | 12-18-2014 |
| 20150028082 | METHOD FOR REPAIRING AND IMPROVING STRUCTURAL INTEGRITY OF STORAGE TANKS - In some implementations of ignition-free welding in at least one fastener is attached to a container that resides within a hazardous environment. The fasteners are then used to secure a fill zone to the container. The chamber then receives a sealing material for the purpose of sealing a leak without having to remove the hazardous material. | 01-29-2015 |
| 20150028083 | METHOD FOR REPAIRING AND IMPROVING STRUCTURAL INTEGRITY OF STORAGE TANKS - In some a friction welding apparatus includes a vacuum chamber which prevents combustion in a vicinity of a tank, the vacuum chamber formed from a flexible seal between the tank and a housing and a magnetic apparatus that encompasses a perimeter of a damaged area of the tank and a friction welding motor operably coupled to the vacuum chamber. | 01-29-2015 |
| 20150041521 | METHOD OF FRICTION-STIR WELDING OF STEEL SHEET - When friction-stir welding steel sheets, for the rotating tool, rotation speed RS is 100-1000 rpm, rotational torque RT 50-500 Nm, and travel speed TS 10-1000 mm/min, and HIPT (kJ/mm | 02-12-2015 |
| 20150069114 | FRICTION STIR WELDING APPARATUS AND METHOD FOR JOINING WORKPIECES BY MEANS OF A FRICTION STIR WELDING PROCESS - The invention relates to a friction stir welding apparatus for joining workpieces | 03-12-2015 |
| 20150115019 | Method for Welding at Least Two Layers - The method of the invention relates to a method for welding a first ( | 04-30-2015 |
| 20150290739 | FRICTION STIR WELDING METHOD - The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members ( | 10-15-2015 |
| 20150328714 | BACKING ARRANGEMENT FOR USE IN FRICTION STIR WELDING - Backing arrangement ( | 11-19-2015 |
| 20150336204 | JOINING PROCESS FOR NEUTRON ABSORBING MATERIALS - A method and associated system for joining workpieces formed of neutron absorbing materials. The method includes positioning first and second workpieces together to form a joint, heating the first and second workpieces at the joint to a plastic condition, intermingling plastic material from the first and second workpieces together at the joint, and cooling the intermingled plastic material to a solid state forming a welded fusion zone comprised of material from the first and second metal matrix composite workpieces. The workpiece material at the joint is not melted by the heating. The heating may be perforated by frictionally heating the materials with a rotary tool, in one non-limiting embodiment, the neutron absorbing workpieces may be formed of metal matrix composites comprising aluminum or aluminum alloy and boron carbide. | 11-26-2015 |
| 20150343556 | AUXILIARY DEVICE FOR WELDING SPINDLE DISKS, HAVING A DAMPING BELT, AND FRICTION WELDING METHOD - A belt including notches alternating with bushings on its inside surface is arranged around a disk, so as to encase it and to squeeze its periphery, the bushings penetrating into slot necks designed to house blade roots, so as to apply an elastic tightening force on the teeth and prevent fatigue cracks from forming during inertial friction welding of the disk with other parts of the rotor, these cracks possibly appearing at fillet connections of the teeth to the central part of the disk. The belt is made from elastic polymer with good internal viscosity, and damping properties. | 12-03-2015 |
| 20150343558 | SUBSEA WELDING APPARATUS AND METHOD - A subsea friction welding apparatus comprises a chuck for supporting and retaining a weld item prior to welding the weld item to a work-piece, said chuck comprises a plurality of jaws having an internal profile to grip a corresponding profiled surface on the weld item and means for radially expanding the internal profile of the jaws of the chuck, said means actuable by axial insertion of the weld item into the chuck thereby avoiding relative rotation of the chuck and the weld item during insertion of the weld item into the chuck. In operation of the method, a supply of weld items and a weld head are deployed to a subsea location and the weld items are loaded via ROV into the weld head at the subsea location. | 12-03-2015 |
| 20160008918 | CONTROLLED SPEED FRICTION STIR TOOL PROBE BODIES HAVING NON-LINEAR, CONTINUOUS, MONOTONICALLY-DECREASING CURVED AXIAL PROFILES AND INTEGRATED SURFACE FEATURES | 01-14-2016 |
| 20160023301 | SHAPED WELDING - A method for friction welding, the method comprising: locating a first workpiece in a recess or aperture of a first tool; bringing a weld face of the first and a weld face of a second workpiece into frictional engagement; and moving the first tool and the second workpiece relative to one another. | 01-28-2016 |
| 20160031036 | LINEAR FRICTION WELDING - An apparatus for friction welding, the apparatus comprising a mounting plate having a surface for mounting a first workpiece, a forge for applying a forge force to a second workpiece in a direction substantially perpendicular to a weld surface of the first workpiece and an oscillator for effecting oscillation of the mounting plate in a direction substantially perpendicular to the direction of the forge force. | 02-04-2016 |
| 20160089748 | FRICTION STIR WELDING TOOL COMPRISING A RETRACTABLE GUIDE MEMBER AND A WELDING PROCESS - A friction stir welding tool with a base, a rotating friction stir slug mounted in the said base and at least one guide member connected to the said base, the welding tool being adapted to move from upstream to downstream; a welding tool having at least one displacement member of the guide member relative to the said base between at least one guiding position in which the guide member extends in a scout area located downstream and facing the friction stir slug and at least one retracted position in which the guide member is offset from the said scout area. | 03-31-2016 |
| 20160158879 | Method of Making a Bracket Assembly for a Brake Assembly - A method of making a bracket assembly for a brake assembly. The method may include friction welding a brake wing to a camshaft tube that may receive a camshaft for actuating a brake pad assembly. Rotation of the brake wing and/or the camshaft tube about an axis may be controlled to fix an angular position of the brake wing with respect to the camshaft tube within a predetermined tolerance. | 06-09-2016 |
| 20160167162 | FRICTION STIR WELDING METHOD | 06-16-2016 |
| 20160184920 | WHEEL STRUCTURE AND METHOD FOR MAKING THE SAME - A wheel structure and a method for making the same are disclosed. The wheel structure comprises at least two components connected together. The connection between the two components is fixed by friction stir welding so as to form a wheel. One of the two components is a hub and the other component is a rim. The rim is made of an aluminum sheet by a spin-forming process to enhance its mechanical strength, and the hub is made by a casting process so as to form hubs with different designs. Moreover, the colors of the rim and the hub are different. Therefore, the wheel structure of the present invention has well mechanical strength and robustness and a gorgeous design so as to promote the competitiveness of the wheel structure of the present invention. | 06-30-2016 |
| 20220134470 | Tool for Friction Stir Welding and Method for Producing Panels - The invention makes available a tool for friction stir welding, which makes it possible, with reduced effort, to connect two panel elements that butt up against one another with one another by means of friction stir welding, in the case of which a tunnel is formed in the region of the abutting side surfaces, by means of recesses formed in the manner of a channel in the side surfaces in question. For this purpose, the tool has a central axle configured in the manner of a pin, provided for coupling to a drive device, a first friction shoulder carried by the central axle, a second friction shoulder carried by the central axle at a distance from the first friction shoulder in the longitudinal direction of the central axle, two support shoulders carried by the central axle, arranged between the friction shoulders, one of which is mounted on the central axle in an axially displaceable manner, and an elastic element that is arranged between the support shoulders, and exerts an elastic force the axially displaceable support shoulder, which force is directed to the friction shoulder most closely adjacent, in each instance, to the axially displaceable support shoulder in the direction. According to the invention, the setting device includes a setting element that is driven outward, away from the central axle of the tool, in the radial direction, during use, by means of the centrifugal forces that are then in effect, and, during this process, acts against a slanted surface formed on the support shoulder, in each instance. | 05-05-2022 |
