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WO/2018/135770A1 |
The present invention relates to a method for manufacturing a double pipe and, more specifically, to a method for manufacturing a double pipe, the method comprising: a primary roll molding step of forming bent parts on both longitudinal ...
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WO/2018/117039A1 |
A welding device for electric resistance welded pipe for manufacturing an electric resistance welded pipe wherein, in an open pipe having an opening extending in the travel direction, both end surfaces of the pipe material facing the ope...
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WO/2018/092492A1 |
The objective of the present invention is to enable accurate detection of a mismatch during electric resistance welding. This operation monitoring device for high-frequency resistance welding and induction heated welding of an electric r...
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WO/2018/087818A1 |
Provided is a welding monitoring apparatus that monitors the welding state of a V-shaped gathered region of a metal plate gathered in a V-shape when manufacturing an electric-resistance-welded steel pipe by conveying a strip-shaped metal...
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WO/2018/062727A1 |
The present invention relates to an ultrasonic bonding device for bonding, by using ultrasonic waves, connection terminal units of a plurality of flexible circuit boards temporarily bonded in a position spaced at predetermined intervals ...
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WO/2018/047723A1 |
The present invention provides a clad welded pipe with which the mechanical properties of the pipe itself are improved by reducing the width of a welded portion, and the function of which as a clad pipe is not compromised. The present in...
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WO/2018/047722A1 |
Provided is an electric-resistance-welded clad steel pipe whereby a region in which a solidification structure having a particularly large effect on characteristics is formed in a weld is reduced, and function as a clad pipe is also not ...
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WO/2018/024741A1 |
In order to produce a bladder (BL) fillable with pressure medium (DM), an integral tubular bladder body (BKO) is provided, having a lateral surface (MF) which extends from a first open end portion (EA1) to a second open end portion (EA2)...
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WO/2018/003248A1 |
Provided is an electric seam welded stainless steel clad pipe having excellent weld fracture characteristics as electric seam welded, as well as excellent corrosion resistance of a pipe inner surface, without build-up welding or other ad...
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WO/2017/216515A1 |
A railway rail induction-welding device (10) is provided which comprises a device support (12) and a railway rail alignment means for aligning opposing railway rails in three mutually perpendicular directions, the railway rail alignment ...
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WO/2017/207302A1 |
A waterwall panel welding apparatus (10) is provided. The apparatus includes an inlet assembly (12), a welding assembly (14), an outlet assembly (16), and a heating system (18, 20). The inlet assembly (12) is for receiving a plurality of...
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WO/2017/140805A1 |
A method of laser beam welding two pipes (1, 2) together, the method comprising the steps of arranging two pipes (1, 2) such that a gap (15) is provided between opposed surfaces (11, 12) of the pipes (1, 2), heating at least one of the p...
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WO/2017/121823A1 |
Joining tool (10) for inductively heating an, at least in some portions, inductively heatable joining member (18), wherein the joining tool (10) has a joining head (12) having a holding device (28) for holding the joining member (18). Th...
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WO/2017/112858A1 |
A high frequency electrical heating system is provided for heating electrically conductive parts as they are advanced, either for annealing or welding processes, and in which the electrical heating current is supplied by a solid state in...
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WO/2017/103849A1 |
The invention concerns a method of creating metal components using the deposition of material, where a weld deposit with the size of 2 to 200 mm3/s is created, and then cooled to a temperature of 20 to 90 °C and cleaned; after that the ...
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WO/2017/070684A1 |
The improved cosmetic depotting device includes an induction coil that selectively heats a conductive cosmetic pan placed on a surface above the induction coil sufficiently to loosen the adhesive bond between the cosmetic pan and the ret...
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WO/2017/017107A1 |
The invention relates to a high-alloy steel, in particular for producing pipes shaped by means of internal high pressure, having high cold formability, TRIP and/or TWIP properties, a partially or completely austenitic microstructure havi...
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WO/2017/004738A1 |
Disclosed are an electrode plug manufacturing system and a use method therefor. The electrode plug manufacturing system comprises a supporting device (80), a tool circulation device (2), a bridge wire positioning device (4), a bridge wir...
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WO/2016/162637A1 |
Device for the three-dimensional printing of a component (29) that is to be produced comprises a print head (11) comprising: - means (2, 14, 15, 16) of supplying a ferromagnetic print material; - means (12, 9, 6) allowing the melting of ...
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WO/2016/143271A1 |
The objective of the present invention is to provide an electric resistance welded stainless clad steel pipe in which the welded parts have excellent characteristics, without carrying out an additional welding process after the electric ...
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WO/2016/143473A1 |
A device 1 for monitoring the manufacturing status of an electric resistance welded pipe, which monitors the manufacturing status of an electric resistance welded pipe manufactured by forming a strip-shaped steel strip into the shape of ...
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WO/2016/101872A1 |
A battery cooling plate assembly includes: a lower cooling plate, an upper cooling plate, having a passage molding portion, and a coolant passage defined between the lower cooling plate and the passage molding portion of the upper coolin...
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WO/2016/063513A1 |
Provided is a high-strength welded steel pipe for an airbag inflator, the pipe having high toughness and workability. A base material part in the present invention has: a composition including, in mass%, 0.02-0.08% C, 0.001-1.0% Si, 0.1-...
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WO/2016/059543A1 |
Welded headgear sections can be produced by using a weld tool having pins protruding from a weld region contact surface to deliver high-frequency electromagnetic energy to a weld region defined by overlapping top and bottom headgear stra...
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WO/2016/042294A1 |
Railway rails are welded in situ by induction welding with an insert (3) between the ends of the rails (1) being welded. The insert (3) compensates, at least in part, for the loss of rail length that occurs in the welding process. Prefer...
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WO/2016/032708A2 |
A hybrid induction welded piston including an upper piston part welded to a lower piston part is provided. The piston is produced by induction heating the upper piston part and the lower piston part, and bringing the parts together to a ...
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WO/2015/174509A1 |
According to the present invention, a conductive wire welded structure (10) of which a stator (16) is composed can be obtained using a conductive wire welding method in which a plurality of conductive wires (24) are welded together using...
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WO/2015/152059A1 |
Provided are a welded state monitoring system and a welded state monitoring method. This welded state monitoring system is used for plasma shielded electric resistance welding, in which electric resistance welding is performed while a we...
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WO/2015/101469A1 |
The invention relates to a method for attaching a metal ring (4) in a bore (3) of a frame (2) made of a different metal, wherein: the ring (4) is crimped in the bore (3) by means of high-energy forming suitable for urging an outer surfac...
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WO/2015/098556A1 |
This electric resistance welded steel pipe for an oil well contains, by mass%, 0.02-0.14% of C, 0.05-0.50% of Si, 1.0-2.1% of Mn, no greater than 0.020% of P, no greater than 0.010% of S, 0.010-0.100% of Nb, 0.010-0.050% of Ti, 0.01-0.10...
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WO/2015/095736A1 |
A method of bonding a first corrugated sheet and a second corrugated sheet to provide a honeycomb core assembly. The first corrugated sheet includes a plurality of lower node regions and the second corrugated sheet includes a plurality o...
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WO/2015/070541A1 |
An automatic welding machine (100) for circular saw blades comprises a frame (10), a controller (10a), a material selecting tray device (20), a tool bit conveying device (30), a glue dispensing device (40), a clamp conveying device (50),...
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WO/2015/070542A1 |
A saber saw automatic welding machine (100), comprising a rack (10), a controller (10a), a sorting disc device (20) electrically connected to the controller, a tool bit transmission device (30), a dispensing device (40), a clamping trans...
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WO/2015/026736A1 |
Various embodiments of the invention include solutions for chamber- less thermal joining. A first aspect includes a system for performing a thermal joining of a joint space defined by a metallic part without an environmental chamber ther...
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WO/2014/193714A1 |
The present Application describes a device including a head (5) for induction pre-heating the adjacent edges of at least one item requiring welding which have to be joined, in which a sliding-block- shaped supporting structure (8) capabl...
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WO/2014/156057A1 |
The purpose of the present invention is to solve the problem of prior art that the generation of penetrators could not be prevented because it was not possible to adequately reduce the oxygen concentration of the regions being welded by ...
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WO/2014/051119A1 |
An electric resistance welded steel pipe which has sufficient strength and low-temperature toughness and a low yield ratio and which is suitable as a line pipe to be laid in depths of the sea, characterized in that: the composition of th...
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WO/2014/045590A1 |
Provided are: an electric-resistance-welded steel pipe which has electric-resistance-welded parts exhibiting both excellent hydrogen-induced-crack (HIC) resistance and excellent low-temperature toughness, and which has a tensile strength...
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WO/2014/033931A1 |
To utilize electric resistance welded steel pipes as high-grade steel pipes such as oil well pipes, the qualities of the electric resistance welded steel pipes, in particular, the components of a plasma operating gas in plasma-shielded w...
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WO/2014/027564A1 |
Provided is a device for manufacturing electric resistance welded pipe that joins both of the end sections (2a, 2b) of an open pipe (1) at a joining section, said end sections (2a, 2b) facing an opening (2) in the open pipe (1) that exte...
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WO/2014/027565A1 |
Provided is a device for manufacturing electric resistance welded pipe that joins both end sections (2a, 2b) of an open pipe (1) at a joining section, said end sections (2a, 2b) facing an opening (2) in the open pipe (1). Joining is achi...
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WO/2013/156152A1 |
The invention relates to a method and a device for longitudinal seam welding of profiled tubes on a tube welding system which is connected to a system computer for process control, and to which a slotted tube (5) formed directly in line ...
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WO/2013/157422A1 |
An electric resistance welding operation management device for managing an electric resistance welding operation when: heat is inputted into a cylindrically fashioned metal plate transported along a predetermined transportation direction...
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WO/2009/057830A9 |
A welded state monitoring device and method for monitoring on-line the state of an electric-resistance welded pipe, such as the welded state, or the butted state, more correctly than conventional. A mirror (23) provided at a one-end port...
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WO/2013/069748A1 |
A monitoring device for seam welding, in which a band-shaped steel plate is formed into a continuous cylindrical shape by means of a roll group while the plate is transported and the two ends are hot welded together in the circumferentia...
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WO/2013/051232A1 |
Provided is a method for joining a sheet bar capable of substantially reducing the frequency of a sheet bar breaking during hot continuous rolling. A method for joining a sheet bar, in which the tail end of a preceding sheet bar and the ...
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WO/2012/156632A2 |
The invention relates to a process for manufacturing a single part for a turbomachine by diffusion welding, the process comprising steps consisting in: producing a blank of the part around a mandrel (12), the blank comprising a plurality...
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WO/2012/103873A1 |
The invention relates to an electromagnetic pulse-welding device for joining a metal sheet (11) to a metal part (12), consisting of an electric energy source (2) which is connected to a coil (4) by means of a current conductor (3), the a...
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WO/2012/084815A1 |
The invention relates to a method for welding a first composite metal sheet part (1), which comprises at least two metal layers (2) and a layer (3) arranged between the two metal layers that is made of a material having a different chemi...
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WO/2012/065608A1 |
The invention relates to a device (10) for inductively heating metal components (15), in particular during welding, comprising at least one flexible induction element (12) and at least one flexible coolant line (12) for a coolant for coo...
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