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WO/2010/140605A1 |
Disclosed are a resistance welding method for welding a stack of three or more works (50, 52, 54) and a device therefor. A stack (48) is formed in such a way that the thinnest work (54) having the smallest thickness among the works (50, ...
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WO/2010/136880A1 |
Machine (10) to make reinforced cages (11) provided with a plurality of longitudinal bars (12) distributed in groups, each comprising at least two longitudinal bars (12), and at least a metal round piece (13) welded in a spiral around sa...
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WO/2010/134213A1 |
Provided is a spot welder electrode part that can prevent overheating of an electrode holder and a small tip. A recessed mounting part (10b) with a circular cross-sectional shape is formed as a depression in the surface of a projecting p...
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WO/2010/129982A1 |
The invention relates to a method and an apparatus for determining the temporal curve of the voltage (ue(t)) at the electrodes (3) of a spot welding gun (1) during a spot welding process as an indicator of the welding quality, wherein th...
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WO/2010/129195A1 |
A welding assembly including a current generator (10), a first electrode (12) electrically coupled to the current generator, the first electrode including a first engagement surface (20) and defining a first recess (22) in the first enga...
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WO/2010/129237A1 |
A welding assembly including a current generator, a first electrode (12) electrically coupled to the current generator, the first electrode including a first engagement (22) surface, and a second electrode (14) electrically coupled to th...
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WO/2010/119461A1 |
This invention concerns a welding head for welding the extremities of two sections of rail and comprises two half -heads (10) aligned and sliding with regard to one another in a longitudinal direction. Each half -head comprises grip mean...
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WO/2010/117439A1 |
A contact tip (20) used with the electrode of a resistance welder. The contact tip (20) includes a bore (38) that has an insert (60) of blended tungsten and copper inserted therein. Prior to insertion of the insert (60) into the bore (38...
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WO/2010/115524A1 |
The present invention relates to a method (500) for monitoring and/or regulating the quality of spot welds of a resistance welding gun (100), wherein the method comprises a step of measuring and storing measured values (220, 230) during ...
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WO/2010/112639A1 |
Anchoring plate of the type used as bodywork reinforcement in the fastening of motor-vehicle door slides which has a base surface that incorporates nuts for the passage of fastening screws, said anchoring plate being formed by the settin...
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WO/2010/111159A2 |
A welding apparatus comprises a first electrode; a second electrode opposite the first electrode, the second electrode being movable toward and away from the first electrode; a third electrode; a fourth electrode opposite the third elect...
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WO2010109837A1 |
A device for cooling a welded rail section is provided with a first cooler for cooling a head section of the welded rail section, a second cooler for cooling a column section of the welded rail section, and a control unit for controlling...
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WO2010110316A1 |
A motor-driven pressure resistance welder (100) comprises upper and lower electrodes (15a, 18a) which sandwich an object (17) to be welded therebetween, first and second movement mechanisms (108, 110) which cause the movement of the uppe...
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WO/2010/104693A2 |
A terminal and electrical contact for a pair of leads of an electrical component is provided, the terminal having a pair of terminals each comprising a planar member comprising a conductive material that surrounds an opening in the plana...
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WO/2010/101596A1 |
A capacitor discharge (CD) fastener welding circuit including: an input voltage source; a rectifier bridge of diodes receiving the input voltage source; at least two capacitor charge switches linked with the rectifier bridge; at least on...
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WO/2010/095076A1 |
The method and the apparatus for making reinforcements for reinforced concrete provide for prearranging a series of longitudinal elements (2) on a work plane defined by support means (11) in a loading station (10). The longitudinal eleme...
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WO/2010/087508A1 |
Provided is an indirect spot welding method wherein go stone-shaped nuggets formed in molten state can be stably obtained during indirect spot welding. The electrical connection time is divided into two time bands (t1, t2) in indirect s...
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WO/2010/086146A1 |
A description is given of a method for joining at least two metal components involving the introduction of thermal energy to form a welded region connecting the two components to each other, in the form of a weld seam and/or a weld spot....
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WO/2010/086117A1 |
A device for finishing spot welding electrodes (14) comprises a milling head (11) that is suited for said finishing of spot welding electrodes. The device furthermore comprises a guide device (13) for guiding the milling head (11) relati...
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WO/2010/066414A1 |
In a resistance welding method for welding at least two workpieces (4, 6, 8) to one another, wherein a welding current is introduced into the workpieces by means of a first electrode (14) and a second electrode (16), at least one of the ...
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WO/2010/065975A1 |
The invention relates to a method and a device for determining a direct current (i(t)) flowing in a conductor (7) and having an amplitude greater than 500 A, which direct current (i(t)) is composed of a number of time-dependent partial c...
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WO/2010/057751A1 |
In order to securely and reproducibly avoid optical impairment of a visible side of a component by spot welding said component, a moveably arranged contact device 4 having a contact electrode 32 is provided, wherein the contact device 4 ...
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WO/2010/054999A1 |
The invention relates to a method for compensating for an unbalance on cup-shaped rotors of electric machines, wherein at least one compensating weight is fastened to a cup wall of the rotor. The fastening is undertaken by means of resis...
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WO/2010/052562A2 |
Machine for forming at least a metal mesh comprising longitudinal wires (12) and transverse wires (13), comprising at least a welding unit (17) provided with a plurality of welders (14) by means of which the longitudinal wires (12) are w...
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WO/2010/048393A2 |
A method of manufacturing a tubular frame structure by deformation resistance welding is provided. It comprises providing a three dimensional node having at least three axially extending legs which intersect at a common node intersection...
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WO/2010/048381A2 |
A method of making a structural connection in a metallic tubular assembly is provided. It comprises providing a node having at least two legs and forming a radially extending rib extending from an exterior surface of each of the legs by ...
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WO/2010/046201A1 |
A metal wire (10) adapted as reinforcement element for hoses has at least a weld (16). The metal wire is pre-formed (24) within a distance of maximum 1 meter of the weld in order to increase ductility and to compensate for the weld.
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WO/2010/040488A1 |
The invention relates to a resistance welding electrode (1) having a shaft-shaped holder (2) and an electrode part (3; 3') in the form of an electrode cap (5) or a pin electrode (7) which are non-positively connected via tapered surfaces...
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WO/2010/042236A1 |
The present invention provides a production line method of resistance welding comprising the steps of contacting a metal sheet with an electrode having an initial contact surface area at a force to provide a pressure to the metal sheet; ...
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WO/2010/038779A1 |
Provided is a welding device for metal in which a heat treatment, such as tempering by a partial temperature increase, is possible during spot welding. A welding device (1) for metal sandwiches a metal material (9) between a pair of elec...
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WO/2010/003478A9 |
The present invention relates to a holding fixture (60) for pins (26) comprising a radially protruding flange segment (30), having a clamping jaw component (39) comprising a clamping segment (38) and a hollow insertion segment (36), wher...
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WO/2010/035847A1 |
Provided is a rust-proof steel sheet having on at least one side an organic and/or inorganic coating layer, wherein the coating layer of the portion to be spot welded is thinner than the coating layer of the portion not to be spot welded...
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WO/2010/026892A1 |
Provided is a method for joining dissimilar metals wherein an oxide film is present on the joint surface and which can firmly join magnesium alloy with steel for which direct metallurgic joining is difficult. In joining a magnesium alloy...
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WO/2010/026173A1 |
The invention concerns an apparatus for consolidation welding of an electrical conductor (304), in particular to an electrical terminal (10), preferably for resistance-monitored circuitry in a motor vehicle, comprising a bottom welding t...
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WO/2010/024340A1 |
A tip shaping machine (M) presses electrode tips (5) against a forming roller (52) held by a rotationally driven holder (28), and the electrode tips (5) are pressed in such a manner that tips (6) thereof approach each other. By this, th...
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WO/2010/022709A1 |
The invention relates to a method for producing a joint between at least one sheet-metal component (1) of steel, in particular of a press-hardened high-strength steel, and at least one sheet-metal component (3) of an aluminium material. ...
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WO/2010/024706A1 |
The invention is directed to increasing the quality of the processing and preparation of end faces for welding. A device for preparing end faces of preferably flexible thin-walled semi-finished casings for welding comprises a body in the...
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WO/2010/021899A1 |
The present invention relates to light weight composite materials (10, 12) which comprise a metallic layer (14) and a polymeric layer, the polymeric layer containing a filled thermoplastic polymer (16) which includes a thermoplastic poly...
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WO/2010/015309A1 |
A welding unit (1) for welding rails (7) of a track comprises two unit bodies (4) that can be moved in relation to each other by displacement cylinders (2) along unit guides (3) running parallel to the rails (7). The displacement cylinde...
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WO/2010/010852A1 |
An electrode unit (32) configuring a resistance welding device (10) is provided with a first chassis section (52) and a second chassis section (54). A plurality of stepped hole sections (56) are formed in the first chassis section (52),...
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WO/2010/004656A1 |
A pair of upper and lower electrode rings (1, 2) are arranged such that their axes (17, 18) incline in the opposite directions in a horizontal plane against a line (Y) perpendicularly intersecting a welding line (X) formed at the overlap...
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WO/2010/004657A1 |
A pair of upper and lower pressure rollers (3, 4) are so arranged that their shaft cores (15, 16) are inclined in directions, within a horizontal face, opposite to a straight line orthogonal to the welding line of a bonding section (J). ...
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WO/2010/002269A1 |
The present application relates to a method and an apparatus for in a high frequency welding (HFW) or electrical resistance welding (ERW) line to perform in-line seam heat treatment of an established welded joint on a pipe (1) made from ...
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WO/2010/001603A1 |
Disclosed is a zero point setting-based workpiece welding control method that enables greater machining precision, that enables the control of machine tool wear, loosening and damage and so on, and that enables the efficient implementati...
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WO/2009/158562A1 |
A method for determining overlap regions by identifying a face on a first component part of an assembly that is normal to and less than a specified gap distance from a face on a second component part of the assembly is provided. The meth...
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WO/2009/150904A1 |
A joined body of dissimilar metals which is produced by joining a steel material and an aluminum alloy material, wherein the steel material to be joined has a specific composition and is specified in the compositions of outer surface oxi...
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WO/2009/140710A1 |
The invention relates to a method for repairing a damage to a metallic substrate (1), namely in a section of a first surface (2), especially a continuous sheet metal strip, and/or a section below a first surface (2) having a damage, the ...
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WO/2009/137981A1 |
A microscopical welding apparatus includes a main power supply, a welding head and a handpiece. The main power supply includes a solder transformer and a power supply control device. The main power supply provides a step wave pulse outpu...
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WO/2009/137957A1 |
An exact spot welder typically for welding lacquered wire led-out connection points in manufacturing electronic elements with small coils and small workpieces, includes a chief electric source, a welding head and a handpiece. The chief e...
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WO/2009/135938A1 |
Method for form-fitted joining of folded flanges of exterior components of vehicle chassis in which a) a joint electrode (1) is pressed against a crimped flange (13) of the first component (3) at a joining pressure (P3) in an acting dire...
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