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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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WO/2020/128169A1 |
The present invention relates to a method for manufacturing at least one blank of a final metal object from a digital object, said blank comprising at least two distinct stacks of layers superimposed on a metal substrate (1), the method ...
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WO/2020/122620A1 |
Disclosed is a method for manufacturing an electrode tip for spot welding, the method comprising: an arrangement step for arranging the tip of a rod-shaped copper alloy material and the tip of a rod-shaped tungsten alloy material so as t...
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WO/2020/123896A1 |
Rivet dispenser systems and methods of use thereof are provided. In a non-limiting embodiment, the rivet dispenser system comprises a rivet receiving member defining a channel therein, and a seat member. The channel includes a curved reg...
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WO/2020/121974A1 |
This cooling device comprises a refrigerant circulation channel, and a pump that pressure feeds the refrigerant in the refrigerant circulation channel. An articulated robot heat generating unit includes an end effector heat generating un...
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WO/2020/123885A1 |
Rivet dispenser reloading systems and methods of use thereof are provided. A non-limiting embodiment of a rivet dispenser reloading system comprises a receiving member defining a channel therein, and a first gate. The rivet receiving mem...
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WO/2020/114980A1 |
The invention relates to a butt-welding device and a method for butt-welding, in particular for dual-upset resistance-pressure butt-welding workpieces, in particular wires, strands and profiles, comprising first and second clamping means...
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WO/2020/111533A1 |
The present invention relates to an electric resistance welding apparatus which comprises a compressor, a welding holder, and a welding rod, wherein air compressed in the compressor is introduced into the welding rod through the welding ...
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WO/2020/110394A1 |
Provided is a spot welding method whereby it is possible to reliably weld while suppressing the occurrence of expulsion. First through third metal plates W1-W3 were welded, in which the ratio of the total thickness thereof with respect t...
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WO/2020/110158A1 |
A welding apparatus, which comprises a main unit (2) which directly or indirectly supports a first electrode (3a) and a second electrode (3b) which can be passed through by an electric current for carrying out welding processes. The unit...
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WO/2020/109850A1 |
A cold rolled annealed steel sheet having a chemical composition comprising, in weight %: 0.30% ≤ C ≤ 0.50%, 1.00% ≤ Mn ≤ 2.50%, 1.00% ≤ Si ≤ 2.00%, Al ≤ 2.00%, Cr ≤ 0.100%, 0.100% ≤ Mo ≤ 0. 500%, 0.020% ≤ Nb ≤ 0....
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WO/2020/105267A1 |
Provided is a joint structure with which cracking between a nugget and a corona bond after welding is less likely to occur, and a method for manufacturing the joint structure. In this joint structure (10) formed by performing resistance ...
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WO/2020/105325A1 |
Provided are: a joined structure in which HAZ cracking can be suppressed on the outer side of a corona bond, at electrode indentation parts, and on the outer side of indentation parts at the time of spot-welding a plate set including ste...
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WO/2020/105266A1 |
The present invention increases the toughness of molten-solidified portions and improves joint strength without inhibiting welding workability, even in a high-tensile steel plate in which the matrix has excellent mechanical properties an...
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WO/2020/104832A1 |
A dual pass seam welding method for steels having a Ceq of greater than about 0.45. The first pass welds the immediately anneals the weld. On the second pass, the welder is disengaged, and the weld is subjected to a second anneal.
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WO/2020/099359A1 |
The invention relates to a method for bonding a terminal (11, 12) of a battery cell (2) to at least one cell connector (21) using resistance welding. An electrically conductive first cell connector (21) is applied to the terminal (11, 12...
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WO/2020/099020A1 |
The invention relates to a method for producing a laser-welded connection, having the steps: - bringing together a joint section (11, 31, 61) of a first component (10, 30, 60) and a second component (20, 40, 70), wherein a protrusion (12...
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WO/2020/101065A1 |
An electrically assisted pressure joining apparatus and an electrically assisted pressure joining method, according to the present invention, are for joining a first metal member and a second metal member to each other, the electrically ...
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WO/2020/100363A1 |
[Problem] To control operation of a resistance welding machine in consideration of welding current and usage rate. [Solution] The present invention has: a control unit 120 for controlling the welding current flowing to an inverter transf...
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WO/2020/097238A1 |
A system (10) and method (200) includes a welding machine (12) having a voltage setting, On/Off power setting, power outlet setting, welding process setting, and welding lead setting and a communication device (15), a computing device (1...
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WO/2020/095255A2 |
An electrical discharge welding apparatus (90) for welding metal products, comprising at least one gripping member (30), said at least one gripping member (30) comprising at least one pad (10), the pad (10) being adapted to come into con...
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WO/2020/095847A1 |
The present invention relates to a resistance spot welding method and makes it possible to stably ensure a desired nugget diameter, without causing expulsion. Prior to the start of final-weld electrification, a to-be-welded member is pre...
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WO/2020/095501A1 |
[Problem] To provide an inverter power source device having a measuring function for measuring degradation of a rectifying element such as a diode. [Solution] This inverter power source device comprises: a step-down stabilizing unit 120 ...
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WO/2020/087959A1 |
A device for preventing cooling water from dripping, adapted to be connected to a spot welding machine. The device (1) for preventing cooling water from dripping comprises a cylindrical body (5); the opening portion at one end of the cyl...
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WO/2020/088866A1 |
The invention relates to a method for producing at least one defined connecting layer between two components, wherein the first component (11) is produced from a first metallic material and the second component (12) is produced from a se...
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WO/2020/092772A1 |
An ultrasonic resistance welding apparatus 10 contains a resistance spot welding apparatus 15, a first electrode 16 and a vibrable second electrode 18, the vibrable second electrode 18 in operable communication with an ultrasonic transdu...
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WO/2020/086245A1 |
A method for resistance spot welding aluminum alloys includes reducing the electrical resistance of an outer surface of the stackup in contact with the anode while leaving the faying surfaces at higher resistances, e.g., by grit blasting...
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WO/2020/079347A1 |
The present invention relates to a method for welding a fluid-tight and thermally insulating tank membrane, wherein there are: - at least two metal strakes (1, 2) of the fluid-tight membrane, and - at least two metal welding supports, - ...
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WO/2020/067094A1 |
Provided are: an inexpensive electrode for resistance spot welding, which exhibits excellent continuous spotting properties with respect to various types of to-be-welded materials and which assures a longer service life in relation to re...
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WO/2020/068575A1 |
Texture for breaking oxide layers on an electrode and a tool applying texture to an electrode is disclosed. The tool may be used during a pattern creating process where the texture is applied to the electrode tip, or may be used during a...
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WO/2020/068901A1 |
A method for fusing an electrical conductor to a film pad circuit including the steps of: providing an electrically inert substrate having a first surface and an opposing second surface; applying an electrically conductive film to the se...
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WO/2020/064207A1 |
The invention relates to a method for operating a welding device for resistance welding, having the steps of: - carrying out a test measurement by moving the electrodes of the welding device, such as a welding gun, towards one another, w...
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WO/2020/066747A1 |
The present invention relates to a resistance welding device (10), a hollow arm (16), and a method of manufacturing a hollow arm (16). A welding gun (10) is provided with the hollow arm (16) for holding a movable electrode (14). The holl...
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WO/2020/056951A1 |
A multilayer metal welding device and a welding method thereofor the multilayer metal welding device comprising a frame, an electric actuator group, a pressure following mechanism, a stretching mechanism, a mechanical arm assembly, a wel...
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WO/2020/051666A1 |
The present invention relates to a relief valve (1) for a turbocharger, in which the crank arm (3) is made of a first material and the shaft (4) is made of a second material different from the first material used for manufacturing the cr...
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WO/2020/052792A1 |
The invention relates to fill level detectionng for electrode cap magazines of welding electrodes, consisting of an electrode cap magazine having at least one electrode cgap channel (5), in which at least one cap conveyor (6) is arranged...
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WO/2020/053735A1 |
The present invention relates to a method for the manufacture of an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, such method comprising two steps, the assembly obtainable accor...
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WO/2020/053736A1 |
The present invention relates to a method for the manufacture of an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, such method comprising two steps, the assembly obtainable accor...
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WO/2020/053734A1 |
The present invention relates to an assembly of at least two metallic substrates spot welded together through at least one spot welded joint, a method for the manufacture of the assembly according to the present invention, such method co...
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WO/2020/050011A1 |
This spot welding method is a method for joining workpieces being a layered body of three or more metal sheets by supplying welding current. The welding current has a pulse-like waveform wherein a peak state in which the current reaches ...
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WO/2020/048197A1 |
An electrode disassembly device for spot welding, which is configured as: by means of a driving action of a driving unit (5), if a first rotating body (6) and a second rotating body (7) rotate with respect to each other from a first rela...
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WO/2020/045678A1 |
A method for performing resistance spot welding using an inverter DC welding machine on a sheet set obtained by overlapping two or more steel sheets, wherein: the method includes a preliminary electric-current conduction step, and a main...
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WO/2020/039165A1 |
Methods and apparatus for bonding are disclosed. In one arrangement, a first component has a first surface and a second component has a second surface. The first component is pressed against the second component such that the first surfa...
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WO/2020/038817A1 |
The invention relates to a method for determining the quality of a welded or soldered connection (4) when welding or soldering hard material bodies (6) to teeth (8) of a saw blade (10), in particular of a band saw blade or a circular saw...
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WO/2020/038819A1 |
The invention relates to a method for welding hard material bodies (4) to teeth (6) of a saw blade (8), in particular of a band saw blade or circular saw blade, wherein each tooth (6) has a joining surface (116), and each hard material b...
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WO/2020/036198A1 |
Provided are: a resistance spot-welded member in which the structure of a nugget end portion is improved, whereby the delayed fracture resistance of the member is enhanced; and a manufacturing method for the resistance spot-welded member...
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WO/2020/036249A1 |
The present invention relates to an electric resistance wire welding machine of superimposed metal sheets by induction heating and rotational surface friction. An electric resistance spot welding machine is configured such that wire weld...
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WO/2020/020742A1 |
In a method for connecting a spindle (12) to a spindle holding element (14) in order to produce a longitudinal adjustment device (1) for a vehicle seat (16), a spindle (12) that extends along a longitudinal axis (L) is connected to an at...
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WO/2020/021189A1 |
The present invention relates to a method for welding a sealing, thermally insulating tank membrane, according to which there are present: - at least two metallic strakes (1, 2) of the sealing membrane, and - at least two metallic weldin...
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WO/2020/017955A1 |
A tubular axle body having a substantially circular cross section for an air sprung wheel axle suspension is formed from a substantially flat steel plate having longitudinal edge portions, which is formed into a tubular shape and welded ...
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