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| Number | Title | Issue Date |
| 8181843 | 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 ... | 05/22/2012 |
| 8167188 | 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 surfac... | 05/01/2012 |
| 8157156 | Powder metal friction stir welding tool and method of manufacture thereof A method of manufacturing a friction stir tool that has an axis of rotation and a welding tip that is made of powdered metal material. ... | 04/17/2012 |
| 8146795 | Method of friction welding A method of friction welding comprises providing a first workpiece having a first weld surface and a second workpiece having a second weld surface. The first workpiece is arranged such that it tapers away from the first weld surface, the first workpiece converges in... | 04/03/2012 |
| 8141768 | Application of high integrity welding and repair of metal components in oil and gas exploration, production and refining A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair hav... | 03/27/2012 |
| 8132708 | Friction stir welding apparatus, system and method A method of performing friction stir welding is provided herein. More specifically, traditional friction stir welding requires a rotatable head that is forced against a plurality of work pieces to bond the same. The rotational and normal forces generated by the fric... | 03/13/2012 |
| 8104664 | 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... | 01/31/2012 |
| 8100316 | Method for joining aircraft fuselage elements by friction stir welding (fsw) The invention relates to a method for joining at least two aircraft fuselage segments (2, 3) by friction stir welding with a tool (8) generating friction heat for the partial plasticisation of an edge region (6, 7) of at least one of the two air... | 01/24/2012 |
| 8079507 | Gimballing roller device for friction stir welding 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... | 12/20/2011 |
| 8074865 | 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. ... | 12/13/2011 |
| 8066174 | 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 ... | 11/29/2011 |
| 8066173 | Component joining A method for joining first and second components, using brazing material to enable the formation of a brazed joint by heating the brazing material when the first and second components are in a juxtaposed position, comprises bringing the first and second components i... | 11/29/2011 |
| 8061579 | Friction stir method for forming structures and materials Processes for forming an enhanced material or structure are disclosed. The structure typically includes a preform that has a first common surface and a recess below the first common surface. A filler is added to the recess and seams are friction stir welded, and mat... | 11/22/2011 |
| 8052032 | Composite material and producing method thereof An object of the present invention is to provide a method for producing a composite material that can prevent a powdered additive to be mixed from scattering and control a quantity of the additive dispersed in the composite material. A method for producing a ... | 11/08/2011 |
| 8052033 | 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 s... | 11/08/2011 |
| 8052034 | Lateral position detection and control for friction stir systems Friction stir methods are disclosed for processing at least one workpiece using a rotary tool with rotating member for contacting and processing the workpiece. The methods include oscillating the rotary tool laterally with respect to a selected propagation path for ... | 11/08/2011 |
| 8052030 | 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... | 11/08/2011 |
| 8052031 | Bonding structures for containers and method of bonding same A bonding structure for a container member is disclosed. The container member has an opening and a covering member for covering the opening. The container member and covering member are abutted with each other and bonded by a friction stir welding operation. The bon... | 11/08/2011 |
| 8038047 | 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 prob... | 10/18/2011 |
| 8028888 | Method of joining together end portions of superposed members A method of joining a plurality of members to be joined together, by piling the plurality of members on one another and joining together the members with one another at end portions of superposed parts of the members, wherein the superposed parts of the members are ... | 10/04/2011 |
| 8020748 | 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 (100) to a high strength backing plate (110) and further creating a vacuum seal between the target and the backing plate using friction ... | 09/20/2011 |
| 8011560 | Apparatus and method of solid-state welding The present invention provides an apparatus and improved method of friction stir spot welding that assures a predetermined bottom thickness and a reduction in variation in a series of resultant spot welds. The advantage of the present invention lies in that the plun... | 09/06/2011 |
| 7997472 | Friction stir welding using an adhesive, copper, tin and zinc interlayer When a friction stir weld tool penetrates the interface of two workpieces of dissimilar metal alloy materials, the resultant weld of the different alloy materials may produce a weak weld joint. Such weak joints are often experienced, for example, when attempting to ... | 08/16/2011 |
| 7997473 | Method of friction welding A method of friction welding comprising providing a first workpiece (24) having a first weld surface (38) and a second workpiece (26) having a second weld surface (40). In a first region (42) adjacent the first weld surface (38 | 08/16/2011 |
| 7992762 | Frictionally press-bonded member A frictionally press-bonded member includes a steel pipe, and a stab. The steel pipe has opposite ends. The stab is frictionally press-bonded to at least one of the opposite ends of the steel pipe. The steel pipe is subjected to a normalizing treatment before being ... | 08/09/2011 |
| 7988032 | Method of welding tubular components Two tubular components (10, 14) are provided with integral end caps (11, 15). The end caps (11, 15) are placed in abutting relationship and are held together under pressure whilst the tubular component (10) is rotated. A pressure is appli... | 08/02/2011 |
| 7971770 | Friction stir method A friction stir 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... | 07/05/2011 |
| 7967182 | Dissimilar metal joint product and joining method therefor Provided is a dissimilar metal joint product of nickel-titanium alloy material and pure titanium material, having a tensile strength at the joint not less than that of the pure titanium material before joining, having a small variation in the strength at the joint, ... | 06/28/2011 |
| 7954691 | 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 (10) and tubes (11) in a tube bundle heat transfer device with the help of a rotating friction tool. Here, the friction tool is rotatingly moved into the open end of a tube (11) su... | 06/07/2011 |
| 7954692 | Structure and method for joining members of structure via friction stir processing An auxiliary member is inserted into holes of opposite portions of a main member such that opposite ends of the auxiliary member extend outwardly through the holes. A joining tool is pushed, while being rotated, against one of the ends of the auxiliary member, so th... | 06/07/2011 |
| 7950566 | Method of welding heated log segments in an aluminum extrusion process A method of processing heated metal logs in a metal extrusion process. The remainder of each log is attached to the succeeding log. Specifically, the abutted ends of the two log segments are aligned with a saw. The saw is actuated to simultaneously remove material f... | 05/31/2011 |
| 7946468 | Friction welded structural assembly and preform and method for same Expanded structural assemblies and preforms and methods therefor are provided. Each preform can include at least two structural members in a stacked relationship, defining cells that can be inflated to expand the preform. Elongate members can be disposed between the... | 05/24/2011 |
| 7946469 | Methods for welding self-fixtured preforms and associated method An assembly for positioning a structural assembly for friction stir welding, and a system and method for friction stir welding the structural assembly are provided. The assembly includes a substrate defining a recessed pattern therein, and at least one structural me... | 05/24/2011 |
| 7938309 | Pulsed friction stir welding process A process for friction stir welding at least a first part made of metal alloy A with at least a second part made of a dissimilar metal alloy B, in which the first and second parts are placed side by side, and a joint is made between the first and second parts using ... | 05/10/2011 |
| 7931185 | 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... | 04/26/2011 |
| 7922065 | Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts According to one aspect of the present disclosure, a part for an article of equipment includes a fluid conducting first region including a corrosion resistant first material, and a fluid conducting second region including a second material. The first region and the ... | 04/12/2011 |
| 7918379 | Process for working metal material and structures In a first step, friction stir welding is performed, while supplying a filler into a joining portion, in order to prevent the coarsening of crystal grains of metal materials in a subsequent fusion processing. Then, a fusion processing such as MIG welding is performe... | 04/05/2011 |
| 7909230 | 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 annula... | 03/22/2011 |
| 7909231 | Method for using modifiable tool control parameters to control the temperature of the tool during friction stir welding A new control variable is introduced, that when combined with previous dependent control criteria on other variables results in a control program that can create a superior weld while minimizing wear on the FSW tool, wherein the tool repeatedly experiences the same ... | 03/22/2011 |
| 7909229 | Method for joining material A method for joining materials in which a second material is overlapped over a first material preliminarily formed with a joining hole so as to cover the joining hole. A joining tool arranged in alignment with the joining hole is pressed, while rotated, onto the sec... | 03/22/2011 |
