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WO/2020/254735A1 |
Method for assembling a metal sheet (40) and an iron-based metal part (80), comprising a step of fitting a tubular pin (10) which is open at both ends by punching through the metal sheet (40) with a shank of the pin with the pin being re...
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WO/2020/249518A1 |
The invention relates to a welding electrode for resistance welding, formed by a welding tool made of a metal, said welding tool having a contact surface (1) that comes into contact with the workpiece (9) to be welded. In order to avoid ...
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WO/2020/245913A1 |
A coating film removal device (60) according to the present invention is provided with: pairs of brush rolls (61A, 61B) each for removing surface coating films formed on the obverse and reverse of a corresponding one of steel sheets S wh...
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WO/2020/247944A1 |
A resistance welding device is configured for use in combination with a resistance welder having a translating welding electrode. A first arm of the welding device is in a translating rotational engagement with a second arm thereof. The ...
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WO/2020/244826A1 |
Method for sensing the presence of a fastener in a feeder and fastening system for joining a fastener to a workpiece comprising a head with a receiving element for receiving the fastener destined to be joined to the workpiece, a joining ...
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WO/2020/246183A1 |
A coating film removal device (60) according to the present invention is provided with: pairs of brush rolls (61A, 61B) each for being implemented by rotary bodies supported by main shafts (63A, 63B) and each for removing surface coating...
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WO/2020/241500A1 |
This spot welded joint includes a first steel plate, a second steel plate overlapping the first steel plate, and two spot welded metals joining the first steel plate and the second steel plate, wherein: in a cross section including the t...
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WO/2020/240961A1 |
The objective of the present invention is to provide a resistance spot welding unit and a resistance spot welding method, and a resistance spot welded joint and a method for manufacturing resistance spot welded joint. In a resistance spo...
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WO/2020/136195A9 |
Welding electrode arrangement and method for welding in each case one interconnector of two adjacent electrochemical cells of a rechargeable battery, wherein the two electrochemical cells are arranged in a manner separated from one anoth...
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WO/2020/225927A1 |
Provided is a one-side heating device that can allow a contact part of an electrode to appropriately come into contact with a workpiece. A one-side heating device (1), which includes a pair of electrodes (2A, 2B) for heating a workpiec...
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WO/2020/221362A1 |
A cutting tool and a method for maintaining a welding electrode having a central depression. The cutting tool comprises a main body (1) and cutting components (2). The cutting components (2) are disposed in the main body (1) and comprise...
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WO/2020/216903A1 |
The invention relates to a method and an apparatus for friction current joining, the friction current joining apparatus (1) having a friction device (7), a compressing device (8), an electrical current source (16) and a programmable cont...
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WO/2020/217332A1 |
The objective of the present invention is to provide a resistance spot welding method and a method for manufacturing a resistance spot welded joint. The present invention provides a resistance spot welding method in which two or more ste...
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WO/2020/212741A1 |
A resistance spot welding electrode with a tip zone (Z) having an active diameter dEL allowing current flow during resistance spot welding, comprising a circular central zone (C) (1) with a flat or hemispherical surface, the diameter of ...
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WO/2020/212781A1 |
A resistance spot welding electrode with a tip zone (Z) having an active diameter dEL allowing current flow during resistance spot welding, comprising a circular central zone (C) (1) with a flat or hemispherical surface, the diameter of ...
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WO/2020/208489A1 |
The present invention relates to an assembly of an aluminium-based part and a press hardened steel part provided with an alloyed coating comprising in weight percent, 0.1 to 15.0% silicon, 15.0 to 70% of iron, 0.1 to 20.0% of zinc, 0.1 t...
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WO/2020/208399A1 |
The present invention relates to an assembly of an aluminium-based part and a press hardened steel part provided with an alloyed coating comprising silicon, iron, zinc, optionally magnesium, the balance being aluminum, on at least one of...
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WO/2020/205998A1 |
An apparatus and method for non-destructive evaluation of resistance spot welds uses a line laser triangulation sensor, a linear encoder, and a device for moving the welds relative to the sensor to measure the three-dimensional shape of ...
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WO/2020/206194A1 |
An apparatus for use in a continuous welding system including a welding head configured to remain stationary relative to translating steel sheets or plates. The apparatus includes a hollow elongate body and a port. The body extends betwe...
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WO/2020/204965A1 |
A method is disclosed to extract meta-data held in a weld scan data file and from such data determine whether the testing data is acceptable for review. A series of configuration parameters held in the scan data file are analyzed for inc...
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WO/2020/206193A1 |
A process for joining steel plate includes providing a steel plate and joining the steel plate to another material. The steel plate includes at least one surface having an Al-Si coating. The step of joining the steel plate to another mat...
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WO/2020/203375A1 |
This spot welding method for an aluminum material comprises: a processing step in which, in a plan view, a circular emboss expanded in a direction of superposition on a second aluminum plate side is formed at a position-to-be-welded of a...
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WO/2020/194908A1 |
The present invention relates to a water-cooled resistance-welding electrode device that is capable of stably cooling an electrode by constantly circulating cooling water to the vicinity of an electrode tip in an efficient manner. The pr...
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WO/2020/196566A1 |
This joint structure is provided with: a first plate-like member; a second plate-like member disposed so as to overlap the first plate-like member in the thickness direction; a third plate-like member disposed, so as to overlap in the th...
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WO/2020/198200A1 |
A welding machine includes a main transformer having first primary winding, a second primary winding, and a secondary winding; a power board configured to receiving mains power and to convert the mains power to converted power to be inpu...
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WO/2020/188999A1 |
Provided is a method for manufacturing a welded joined body in which a ring-shaped workpiece and a linear workpiece are reliably welded. In addition, provided is a welding device that is able to weld a ring-shaped workpiece and a linear ...
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WO/2020/189111A1 |
This resistance welding method includes a step for preparing a sensor-retaining base. This resistance welding method also includes: a step for placing a first to-be-welded object and a second to-be-welded object on the sensor-retaining b...
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WO/2020/183629A1 |
A casting product is provided in which burrs from the casting metal material are unlikely to form on the bonding surface. This casting product (10) is provided with a bonding tip (20) which has a ferrous metal bonding surface (22) and a ...
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WO/2020/183029A1 |
The invention is directed to a thermally expandable composition comprising at least one solid rubber R, at least on tackifying resin TR, at least one blowing agent BA, a vulcanization system VS, and 0.5 – 30 wt.-% of fibrous magnesium ...
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WO/2020/184728A1 |
This method for manufacturing a welded joint comprises: placing a first electrode on a first steel plate at an A section, which is a section of the welded joint located outside a nugget in a plate surface direction in a plane parallel to...
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WO/2020/182764A1 |
The invention relates to a method for connecting at least two components arranged on top of one another in a stack-like manner with a wire section, of which at least one weldable base layer consists of a metal that can be welded with the...
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WO/2020/174597A1 |
A spot welding device (10) according to the present invention is provided with: a cylindrical cam (12) on an outer circumferential surface of which a helical large lead cam groove (12a) having a steep angle and a small lead cam groove (1...
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WO/2020/173685A1 |
The invention relates to an apparatus (1) for producing, for concrete components, a reinforcement construction (5) welded together from at least two wires (2, 3, 4), particularly for producing a lattice girder (5) welded together from at...
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WO/2020/175158A1 |
The present invention relates to electric resistance welding in which a workpiece composed of a plurality of overlapped metal plates is pressed and energized by means of a pair of electrodes, and comprises: detecting the amount of decrea...
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WO/2020/173528A1 |
An apparatus for cooling water extraction for a robot installation plate is characterized by an adjustable extraction volume.
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WO/2020/169918A1 |
The invention relates to a method for manufacturing a compressor impeller or rotor comprising a hub (21) that carries blades (26), involving a step of manufacturing a hub (21) which comprises all or some of the blades (22), and a step of...
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WO/2020/170930A1 |
The objective of the present invention is to propose welding conditions for forming welded joint portions stably at all times, and with which a difference in the hardness of a flash-butt welded joint portion and a rail base material and ...
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WO/2020/164985A1 |
The invention relates to a method for producing a shaft-hub connection (8) by means of a substance-to-substance joining process. At least the following method steps are executed: • a) creating a press-fit connection (24) between a hub ...
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WO/2020/161119A1 |
The invention relates to a method for the one-sided joining of a first workpiece (12) to a second workpiece (14) at a joining point (16), wherein the first workpiece (12) has a sheet-type laminate with at least one metal layer and a conn...
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WO/2020/156974A1 |
In welding tongs (1) comprising: - a first and a second electrode arm (2A, 2B) each having a first and a second electrode (3A, 3B) secured to the electrode arm (2A, 2B); - at least one drive means (4), by which the first and the second e...
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WO/2020/160028A1 |
A method of manufacturing a heat exchanger array that includes stacking a plurality of heat exchanger units in an aligned configuration with respective first ports of the heat exchanger units aligned. The heat exchanger units can include...
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WO/2020/158050A1 |
A processing machine (10) is provided with: at least one dolly (12) on which a workpiece (vehicle body floor (VF)) is placed; and a robot (16) that is placed on the dolly (12) and performs a predetermined process (re-spot welding) using ...
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WO/2020/152894A1 |
[Problem] To enable degradation of a diode to be measured [Solution] The present invention includes: a programmable power supply 110 which applies a reverse voltage to didoes 172, 174; a resistor 115 which detects a current value of curr...
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WO/2020/153263A1 |
Provided are: a clamping mechanism that simply and stably clamps, at a central position, objects to be clamped having different sizes; an apparatus for manufacturing a joining member; and a method for manufacturing a joining member. The ...
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WO/2020/140503A1 |
Provided are a motor winding welding electrode and a motor winding welding process; a welding electrode comprises an upper electrode (1) and a lower electrode (2) which both are made of good electrical conductors and used for clamping th...
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WO/2020/138468A1 |
The present invention provides a method for producing a steel member having a nut and/or a bolt with which high joining strength can be obtained in a stable manner. This method for producing a steel member, in which the steel member is m...
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WO/2020/137267A1 |
A terminal (1) comprises: a columnar metal terminal (10); and a metal wire (20) which is wound around the columnar metal terminal (10). The melting point of a first metal constituting the metal wire (20) is lower than the melting point o...
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WO/2020/136295A1 |
The invention relates to a piece for mechanical joining by means of screwing that can be used for resistance welding, which consists of a nut (1) or screw (1') intended to be welded to a plate (3) or similar by means of resistance weldin...
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WO/2020/130079A1 |
The purpose of the present invention is to provide a spot welding member having a spot welding part formed by spot welding a plurality of steel sheets that include zinc-based plating layers. The present invention is a spot welding member...
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WO/2020/126404A1 |
The invention relates to a device for welding a weld stud at a predefined location on a substrate, said device comprising a stud holder, a protective gas shield which surrounds the stud holder, forming a gap between the stud holder and t...
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