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WO/2021/215152A1 |
The present invention comprises: a condition change standby step in which the welding conditions of a welding device having a welding torch to which at least an angular velocity sensor is attached are made changeable; a torch rotation st...
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WO/2021/209454A1 |
The present application relates to a welding torch positioner (100) for holding and positioning a welding torch for welding two pipe segments together, the pipe segments positioned colinearly along a longitudinal axis and abutting at end...
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WO/2021/210335A1 |
Provided are an arc welded joint and an arc welding method. An arc welded joint according to the present invention has: a slag covering area ratio SRATIO (%) of 15% or less that is calculated by the equation SRATIO=100×SSLAG/SBEAD, wher...
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WO/2021/210322A1 |
Provided is an arc spot welding method for joining dissimilar materials to each other, which makes it possible to join dissimilar materials, i.e., an aluminum-based material or a magnesium-based material and a steel, to each other strong...
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WO/2021/205837A1 |
The present invention comprises: a first step for detecting, at a prescribed time interval, an acceleration in an X-axis direction of a welding torch (60) to which an acceleration sensor (310) is mounted; a second step for using the acce...
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WO/2021/205858A1 |
Provided is a gas shield arc welding method that reduces the number of joints, which are the sites where defects occur more readily, and that enables automatic welding with a welding robot. A gas shield arc welding method in which a stee...
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WO/2021/200889A1 |
A work-body switching device (20) is equipped with a camshaft (110) in which a first cam groove (112) and a second cam groove (114) having a phase difference therebetween are formed on the side peripheral wall thereof. A first pivot memb...
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WO/2021/200736A1 |
A method for manufacturing a contact joint structure according to one embodiment of the present invention includes: passing the shaft of a rivet through a through-hole of a first member, said rivet being equipped with the shaft and a fla...
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WO/2021/196676A1 |
A transformer silicon steel sheet stacking and welding method, comprising the following steps: step 1, material preparation; 2, E sheet stacking; 3, E sheet assembly: loading stacked E-shaped silicon steel sheets into a middle hole of a ...
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WO/2021/198265A1 |
The invention proposes, to reduce energy losses for a welding device (1) when on stand-by (L) and to enable a clean and controlled start of the welding phase (X), wherein: a DC-to-DC converter (2) of the welding device (1) converts an in...
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WO/2021/199815A1 |
Provided is a multi-electrode gas-shielded single-sided arc welding method which is capable of resulting in a preferable back bead shape and effectively preventing the occurrence of high-temperature cracking. This multi-electrode gas-shi...
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WO/2021/195629A1 |
A metal hand tool including a handle attached to a blade piece and method of construction. The blade piece includes a blade opposite an elongated tang. The handle is made up of two, welded, symmetrical handle halves, each handle half hav...
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WO/2021/192616A1 |
A circumferential welding method according to an aspect of the present invention is a method for circumferentially welding at least one of a V-shaped groove and an I-shaped groove by, using a vertical articulated robot, moving a welding ...
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WO/2021/193479A1 |
The invention provides a weld structure characterized by having a weld gap section 3 yielded by welding an end section 11 from a first stainless steel member 1 to a site 12 of a second stainless steel member 2 other than at an end sectio...
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WO/2021/190019A1 |
A combined processing device for arc micro-blasting and cutting, comprising: processing apparatuses (100), at least two of which are provided, the processing apparatuses comprising an inner liquid-filled apparatus (110) and a tool electr...
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WO/2021/186723A1 |
A lamination modeling route generation device (200) is provided with: a modeling route generation unit (202) for generating a modeling route as a route to model divided layers by dividing a laminated modeled object into layers in such a ...
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WO/2021/188902A1 |
The invention is a system for and method of manufacturing metallic parts through weld arc additive manufacturing with conductive granular media as support, to manufacture parts which have overhangs, hollow sections, a plurality of openin...
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WO/2021/188573A1 |
A liquid coolant tube for a plasma arc cutting torch including a hollow elongated inner body shaped to translate within a hollow elongated outer body. The hollow elongated outer body of the liquid coolant tube is shaped to fixedly connec...
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WO/2021/179675A1 |
A welding method for a molten salt pipeline in tower-type photothermal power generation in a high-cold area, comprising the following steps: processing V-shaped grooves; sealing pipes and introducing argon gas to the grooves; pairing the...
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WO/2021/179604A1 |
A method for adjusting working current of a lithium electric welding machine, comprising the following steps: step 1, sampling welding voltage and current, and sampling the power supply voltage and current of a lithium battery; step 2, a...
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WO/2021/182243A1 |
Provided is a robot control device that can suppress the stoppage of operations due to the detection of a contact error. The robot control device controls a robot that implements welding in association with contact with a to-be-welded ...
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WO/2021/180355A1 |
The present application relates to a method for producing welded connections between inner tubes (16) and tube support plates of a tube bundle for a product-to-product shell-and-tube heat exchanger by means of an auxiliary device (50), s...
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WO/2021/182516A1 |
This method is for manufacturing a welded structure having a welded metal portion extending along a first direction, and a first portion and second portion which sandwich the welded metal portion therebetween in a second direction inters...
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WO/2021/175791A1 |
The invention relates to a method (12) for additively manufacturing a three-dimensional component (10) from a plurality of component layers (Li), said method being achieved by the repeated incremental addition of powdered or wire-like co...
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WO/2021/177361A1 |
This bead appearance inspection device is provided with: an acquisition unit which acquires input data pertaining to a weld bead; a storage unit which stores a first determination reference and a second determination reference to be used...
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WO/2021/173409A1 |
The present application relates to an electromagnetic component assembly (201) disposed in a power source of a welding or cutting system. The electromagnetic component assembly (201) includes a core and a tubular winding. The tubular win...
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WO/2021/173706A1 |
A smart welding system and smart welding process which integrates technology to increase performance and safety in welding operations. The smart welding system comprises a welding station, a smart receiver system, a smart welding positio...
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WO/2021/171749A1 |
A T joint according to one embodiment of the present invention has a first steel sheet, a second steel sheet, and a fillet weld part, the T joint being such that: the sheet thickness of the second steel sheet is 6.0 mm or less; the secon...
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WO/2021/165983A1 |
The present disclosure relates to electrode holders having their body and mouth portion made of dissimilar compositions that is capable of providing enhanced service life of up to three times, along with increased ability to withstand in...
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WO/2021/166555A1 |
An automated welding system provided with: a camera for photographing an arc and a weld pool generated in a groove by arc welding; an estimation unit for using a learned model to output a probability distribution image based on a camera ...
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WO/2021/167305A1 |
The present invention relates to a pipe connection assembly of a heat exchanger for connecting a header tank and a pipe of the heat exchanger, in which a means for preventing a welding ring that fixes a manifold and a pipe from entering ...
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WO/2021/167551A1 |
The invention is the construction related to parts such as double curved propeller (wing), rudder and bulb used especially in shipbuilding sector, aircraft industry and other similar structures, characterized in that; in order to obtain ...
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WO/2021/162547A1 |
The invention provides a method for coaxially welding together two tubes. Axial ends of the tube walls of the respective tubes are machined in such a way that they have a stepped shape over at least a first part of the tube wall thicknes...
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WO/2021/156201A1 |
The invention relates to an additional circuit for process supply lines of a welding torch or cutting torch having at least one connection device to a welding current source arranged on it, wherein electrical energy and further media are...
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WO/2021/156709A1 |
Glove (60; 160; 260; 360) for a welding and/or cutting system (1), wherein the glove (60; 160; 260; 360) comprises at least one switch (62; 162A, 162B, 162C; 362) suited to be activated by the hand of an operator (O) for the generation o...
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WO/2021/157163A1 |
The present invention provides a plug, a steam pipe structure, and a method for installing a plug which can suppress a non-welded portion from being generated in a part to be welded. A plug (1) which blocks a through hole formed in a ste...
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WO/2021/156724A1 |
A ball for a ball valve, wherein the ball comprises a substrate of metal having surface modified portions to act as seating surfaces for a seat of the ball valve; and a seat ring for a ball valve, wherein the seat ring comprises a substr...
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WO/2021/152346A1 |
The present invention relates to a process for coating a mandrel for seamless pipe production, comprising the phase of having a mandrel (1) already used at least once for the rotation of seamless tubes, positioning said mandrel (1) in a ...
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WO/2021/154635A1 |
A method of managing a tubular (10) having a seam (12) that exhibits signs of hydrogen induced cracking that extends radially along the seam (12), and which is different from classic step-wise cracking. Included in the method is evaluati...
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WO/2021/153559A1 |
This welded steel pipe is obtained by molding a steel sheet having a sheet thickness of 6-20 mm into a cylindrical shape, abutting the two end portions of the steel sheet in the width direction thereof, and performing single-layer build-...
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WO/2021/153011A1 |
In the present invention, gas-shielded arc welding in which the tip-to-work distance changes is configured so that fluctuations in welding current are curbed while arc length control is maintained, irrespective of the shielding gas, ther...
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WO/2021/151696A1 |
The invention relates to a method and cladding material with which welded connections and repairs can be carried out on metal components. For this purpose, a conventional welding tool, e.g. laser or WIG, can be used, by means of which a ...
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WO/2021/149942A1 |
An embodiment of the present invention provides a welding information providing apparatus comprising: a body which can be worn by a user; a display unit provided on the body and comprising a display for displaying a welding image for the...
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WO/2021/149570A1 |
A welding device (10), which performs a welding by generating an arc (A) between a tungsten electrode (21) and a base material (30), is provided with: a high frequency voltage application unit (13) which applies a high frequency voltage ...
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WO/2021/146250A1 |
A portable welder that includes a portable housing, a ground clamp, an electrode holder, a user interface, and a battery pack interface. The ground clamp is connected to the portable housing through a ground cable and is configured to be...
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WO/2021/141167A1 |
The present invention provides a push-pull feed-type torch system comprising a body bundle, a feed guide unit, a sensing unit, and a control unit. In particular, the sensing unit senses the disconnection of a welding wire guided by the f...
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WO/2021/140286A1 |
Torch (1) for a TIG welding machine connected to an electrical power source, comprising a coolant circuit (8) and defining, in the internal portion thereof, an outwardly open bore which is connected to a supply of inert shielding gas (12...
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WO/2021/140970A1 |
In this arc welding control method, first control is performed in which a welding current (Ia) is increased to a first current value (I1) of 200 A to 300 A at a first gradient (S1) and the first current value (I1) is maintained during a ...
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WO/2021/142273A1 |
A wire guide conduit is constructed from a coiled wire having an oval or elliptical cross-sectional shape. The wire is subjected to a directed energy beam to locally heat portions of the wire to create discrete areas of increased hardnes...
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WO/2021/139080A1 |
A welding method of an Fe-Al intermetallic compound microporous material with dense stainless steel, comprising the following steps: starting to inject a "welding gas" of a fusion welding machine and starting to inject a welding shieldin...
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