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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...
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8181841 |
Linear friction welder with rocker arms
A linear friction welding system in one embodiment includes a ram configured to vibrate along a welding axis, at least one rocker arm with a first end portion spaced apart from the welding axis and...
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8177113 |
Apparatus and system for welding 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 frame...
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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...
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8157154 |
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...
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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.
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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...
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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...
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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...
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8127977 |
Thermal stir welder
A welding apparatus is provided for forming a weld joint between first and second elements of a workpiece. The apparatus heats the first and second elements to form an interface of material in a...
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8110054 |
Method for connection at least two pieces of sheet material, particularly at least two metal sheets for a lightweight structure as well a joining and lightweight structure
A method for connecting at least two sheet-like formations, in particular at least two metal sheets with a thin material thickness for aircraft, comprises establishing butt-joint connections...
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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...
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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...
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8100311 |
Friction stir welding head and method for controlling a friction stir welding head
The invention relates to a friction stir welding head having a housing and a welding tool with a rotating welding pin and a rotating shoulder tool for welding workpieces which rest on a workpiece...
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8091763 |
Method of making a control arm
In a method of making a control arm, a middle piece is held in a mounting of a rotary friction welding machine so as to be constraint against rotation and movement in an axial direction. End pieces...
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8079126 |
Friction stir welded bladder fuel tank
A method of fabricating a rolling bladder propellant tank assembly includes providing a pair of half-domes comprising a nanophase metallic material and a bladder formed of a ductile metallic...
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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...
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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.
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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...
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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...
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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...
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8056793 |
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...
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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...
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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...
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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...
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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...
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8052028 |
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...
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8052029 |
Method of calibrating a friction stir spot welding system
A method of performing a plurality of friction stir spot welds with a friction stir spot welding (FSSW) system includes measuring a length of a pin of a weld tool of the FSSW system. The length is...
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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...
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8047417 |
Rotatable tool and apparatus therefor
A friction stir weld apparatus having a linear drive actuator and a separate friction stir weld device. The linear actuator and the friction stir weld device are driven by concentric motors. In the...
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8043021 |
Fastening element for a friction-welded joint
The invention relates to a rotationally symmetrical fastening element with an axially centralized rounded tip for a friction-welded joint with a flat component. The tip is adjoined by a conical...
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8042249 |
Motor vehicle body assembly apparatus
A method and apparatus for providing motor vehicle sub-assemblies with unrestricted model mix and quick changeover between models. The apparatus includes a track; a carriage mounted for...
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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 ...
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8033443 |
Anvil with rolling elements for friction stir welding
In a Friction Stir Welding process a load, applied through a rotating tool, frictionally heats, plasticizes and commingles selected regions of the workpieces while translating along the length of...
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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...
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8025200 |
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...
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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...
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8011559 |
Active material-augmented vibration welding system and method of use
A method for controlling welding forces of a weld tip to a work piece during a vibration-welding process includes positioning an Active Material (AM) element adjacently to a welding interface, and...
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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...
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8002163 |
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...
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8002162 |
Friction-welding device
A friction-welding device for the integral joining of components, having an oscillator, which generates a periodic movement of a component and a welding surface provided thereon relative to...
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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....
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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)...
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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....
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7992761 |
Process control system for friction stir welding
A process control system for a friction stir welding machine employs a master set of parameters and subroutines to control multiple machine processes, including welding, drilling, milling and...
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7993575 |
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...
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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...
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7980449 |
Thermal stir welding apparatus
A welding method and apparatus are provided for forming a weld joint between first and second elements of a workpiece. The method includes heating the first and second elements to form an interface...
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7975897 |
Friction welding machine and operating method
A friction welding machine (1) has two headstocks (5, 6), two spindles (8, 9) with a spindle drive (12, 13) and a workpiece holder (22). The first headstock (5) is arranged stationarily at the...
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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...
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