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WO/2019/034288A1 |
The invention relates to a method for producing a pipe fitting (10), e.g. a reducer, a pipe elbow or a branch fitting, wherein a metal material (11) is melted by heating and a plurality of material layers (12) is produced in succession f...
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WO/2019/029776A1 |
Means and method for butt-welding of a gap in a railway rail, in particular for butt-welding a rail rupture, wherein a welding sleeve (2) is used which flanks the rail (3) in the longitudinal direction on its two longitudinal sides (10, ...
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WO/2019/026568A1 |
A tank (1) in which a body (10) and a mirror plate (20) are joined by welding. The tank (1) is manufactured by performing, in order: an abutting step of forming, in an end portion (21) of the mirror plate (20), a recess (31) and a protru...
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WO/2019/026192A1 |
Provided are a wire for welding dissimilar materials, which makes it possible to reduce a flux filling factor and to suppress generation of filling unevenness, and a method for manufacturing the same. An electrically conductive core wire...
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WO/2019/025556A1 |
In the method for recording and identifying components connected together by a joining method, an image of at least one area of the surface of a joint is recorded optically by a device configured for this purpose and the individual pixel...
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WO/2019/025796A1 |
The present invention relates to noble metal-containing components prepared by cold metal transfer (CMT) methods, along with methods of preparing such components by CMT. More especially, an advantageous method of preparing a platinum met...
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WO/2019/025769A1 |
A dosimeter device (1) for use when welding is disclosed. The device (1) comprises one or more sensors (3a-c) for monitoring the hazardous products of the welding process. The or each sensor (3a-c) includes a connection means, connecting...
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WO/2019/025907A1 |
A wire feeder device for feeding a welding wire in a feeding direction is disclosed. The wire feeder device includes one or more roller chains and a plurality of first and second gripper members. The gripper members are movable from an o...
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WO/2019/023762A1 |
The utility model relates to a movement device intended for processing objects, for example heat cutting metals using lathes for cutting metal profiles with a cutter. The problem addressed by the utility model is solved using a motor dev...
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WO/2019/022928A1 |
Methods and apparatus to provide welding power are disclosed. An example welding-type power supply includes: a transformer having first and second secondary windings; switching elements configured to control current flow from the first a...
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WO/2019/019100A1 |
A easy-to-operate welding method for a large cylinder segment, the method comprising: performing, according to a predetermined inner diameter of a large cylinder, a cutting operation; machining by means of a beveling machine, welding alo...
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WO/2019/019508A1 |
A novel welding gun, comprising a handle (1), a tube (2) disposed at one side of the handle (1), and a tip disposed at the end of the tube (2) distant from the handle (1). There is a space through which a welding wire (3) passes in the t...
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WO/2019/019423A1 |
A method for assembling and welding a trough-type bulkhead (1) and an anti-accumulation plate (3) of a cargo oil tank of a ship, comprising the following steps: S10, after an anti-accumulation plate (3) is assembled in place, opening a 5...
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WO/2019/022927A1 |
Systems and methods for inductance compensation in a welding- type system (100) include a reel (102) configured to wind a welding- type cable (106, 106') to reduce a first portion of the welding-type cable (106, 106', 108) extending from...
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WO/2019/022967A1 |
Processes for depositing a desired superalloy composition are provided. An elongated core member (20), such as made up of a wrought nickel-base alloy or a wrought cobalt-base alloy, may be drawn in connection with a wire drawing process....
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WO/2019/021768A1 |
An arc welding machine (10) for performing arc welding by supplying a load power to a processing load (13) which includes an arc welding electrode (11) and a matrix (12) is provided with: a power conversion unit (20) which receives an in...
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WO/2019/019422A1 |
Disclosed is a welding method for a thin-plate ship hull structure, the method specifically comprising: suspending a plurality of plates (1) at set positions on a sheet (2), firstly welding a weld joint on the same side of each of the pl...
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WO/2019/020211A1 |
The invention relates to an exchangeable wearing part of an arc welding torch, said wearing part being intended to be arranged in the region of an end, provided for carrying out a welding process, of the arc welding torch, wherein the we...
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WO/2019/022228A1 |
[Problem] To provide a travel carriage having improved work properties. [Solution] A travel carriage A on which a welding torch or cutting torch is mounted, and which chucks by suction a workpiece material comprising a magnetic body and ...
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WO/2019/020332A1 |
The invention relates to a control unit (101) for a joining system (100) having at least one joining station (110, 120), which is designed to join at least one first joining element (103) to a workpiece (102). The control unit (101) is d...
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WO/2019/014024A1 |
A metal fabrication resource performance monitoring method includes: acquiring data representative of arc on time and wire deposition quantity associated with metal fabrication operations of a plurality of metal fabrication resources; vi...
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WO/2019/006739A1 |
A welding method with easy operation for welding a large cylinder segment. Cutting is performed according to a preset internal diameter of a large cylinder, machining is performed by using a beveller, welding is performed along a longitu...
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WO/2019/008028A1 |
Welding torch (1) with a clamping device (2) for clamping a non-consumable welding electrode (3) with an electrode holder (2A), which has a longitudinally extending receiving space (2B) for receiving a welding electrode (3) insertable th...
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WO/2019/008863A1 |
This power supply system is provided with a plurality of power supply devices (1) commonly connected to a load (2). A first power supply device (1) calculates both control information for controlling a voltage or a current output to the ...
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WO/2019/009012A1 |
One aspect of the present disclosure provides a welding torch. The welding torch comprises: a sensor unit; a storage unit; a welding information setting unit; a welding information acquisition unit; and a communication unit. The sensor u...
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WO/2019/005011A1 |
A welding method using embodiments of electrodes (100) with coaxial power feed. The electrode comprises a metal cylinder (105) defining a hollow core (110). The hollow core provides a conduit for delivering core feed materials (150) ther...
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WO/2019/006051A1 |
The present invention is a fume extraction swivel system (12) for use on a gas shielded welding device. The fume extraction system (12) includes an extraction hose mounting bracket (22) which has an internal flange (26, 28) adapted to mo...
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WO/2019/000112A1 |
The invention discloses an optimizing method of an aluminum alloy pipe argon arc welding process, comprising the following steps: performing a groove grinding treatment on tested pieces, wherein the groove angle is made to be 35 degrees,...
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WO/2019/002141A1 |
The invention relates to a device and to a method for scanning a workpiece surface (2A) of a metal workpiece (2), in which method a welding torch (3) having a welding wire electrode (4) is moved relative to the workpiece surface (2A) in ...
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WO/2019/004915A1 |
A pickup mechanism for feeding of weld pins from a magazine to a welding electrode of a welding gun, where the pickup mechanism is attachable to the welding gun in connection to the welding electrode, and where the magazine is attachable...
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WO/2018/234192A1 |
The invention relates to a device (1) for processing a surface (21) of a workpiece (2) having a plasma generating apparatus (4) and a laser beam generating apparatus (3), which are designed to apply laser radiation (35) and plasma (45) t...
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WO/2018/235753A1 |
A method for manufacturing a different material bonded member comprises: a step of striking a shaft portion of a steel rivet into a light alloy material provided with a solid resin layer on at least one surface thereof; a step of causing...
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WO/2018/234955A1 |
A system for monitoring a welding device including a wire feed device and a processor communicatively coupled to a non-transitory computer-readable medium. The wire feed device may include a motor to rotate a roller to advance a filler w...
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WO/2018/234974A1 |
A contact device for feeding current to one or more welding wires in a welding apparatus includes a split tip nozzle having first and second diametrically opposed slots formed therein and a biasing means for supplying an adjustable biasi...
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WO/2018/234973A1 |
A contact device for a welding apparatus is disclosed. The contact device for feeding current to at least a first welding wire and a second welding wire. The contact device including first and second contact jaws. The first and second co...
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WO/2018/236035A1 |
The present invention, as technical features, comprises: a preparation step of placing a first object to be welded and a second object to be welded such that the first object to be welded comes in contact with the second object to be wel...
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WO/2018/236662A1 |
Approaches herein provide a plasma arc torch including a tip surrounding an electrode, the electrode having a proximal end and a distal end, and a shield surrounding the tip, the shield including an exit orifice proximate the distal end ...
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WO/2018/235701A1 |
Provided is a fillet welding multi-electrode submerged arc welding method and welding apparatus, wherein a leading electrode 4 has a reverse polarity, the torch angle θL of the leading electrode 4 satisfies 5°≤θL≤45°, the torch a...
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WO/2018/236407A1 |
A system for welding two pipes includes a first pipe clamp, a second pipe clamp, a weld torch, an inspection detector, a motor, one or more processors, and a grinder. The weld torch is configured to create a weld joint between the pipes ...
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WO/2018/234954A1 |
A power supply, including a primary pre-converter, coupled to supplying mains, configured to receive an AC voltage at low frequency and output a high DC voltage, and further configured to receive the high DC voltage and to output the alt...
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WO/2018/230619A1 |
One embodiment of the present invention relates to an arc welding method which is characterized by performing welding with use of a gas that contains Ar and a solid wire (10) that is provided with a steel core wire (11) and a copper plat...
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WO/2018/231758A1 |
In certain embodiments, a welding contact tip (100) includes a first axial end portion having a welding wire outlet of an internal bore (111) of the welding contact tip. The welding contact tip also includes a threaded middle portion (60...
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WO/2018/231088A1 |
The invention relates to the field of aluminium production, more particularly to breaking electrolyte crust in electrolysers of any type. According to the proposed method, breaking the electrolyte crust in an aluminium electrolytic cell ...
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WO/2018/230419A1 |
Provided are a welding system and a welding method, which are able to easily stabilize the welding quality. This welding system is provided with: a welding device (10) which performs buildup welding by fusion bonding a welding material t...
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WO/2018/230209A1 |
According to an aspect of the present disclosure, a welding torch is provided. The welding torch comprises a torch head and a torch body detachably connected to the torch head. The torch head includes first and second torch head-side flo...
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WO/2018/230637A1 |
Provided is a spatter scattering prevention device which eliminates the need for removing scattered spatter and facilitates maintenance, and a flash butt welding machine provided with the spatter scattering prevention device. A spatter s...
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WO/2018/226480A1 |
A drum (10) for transporting and feeding welding wire (30) may comprise a hold-down bar opening (19). The hold-down bar opening (19) enables access to and removal of a hold-down bar (50) without requiring prior removal of an end surface ...
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WO/2018/227195A1 |
The present application relates to welding torches (1500). A welding torch includes a welding assembly comprising: a first contact tip configured to conduct welding current to a consumable electrode; and a second contact tip configured t...
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WO/2018/227194A1 |
The present application relates to a welding assembly for a welding torch (2009), which includes: a first contact tip configured to conduct welding current to a consumable electrode (114); a second contact tip configured to conduct prehe...
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WO/2018/227189A1 |
The present application relates to a contact tip (306), which includes: an inner bore configured to conduct current to a consumable welding electrode; screw threads on an exterior of the contact tip; and a head opposite the screw threads...
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