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WO/2015/192237A1 |
Methods for forming a pipe end for a pipe having an inner surface lined with a liner are provided, wherein the pipe is cut at an axial location to provide a first end having an initial inner diameter defined by an inner surface of the pi...
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WO/2015/189187A1 |
The invention relates to a method for producing a large multilayer pipe from an outer pipe (1), which forms a carrier layer, and at least one inner pipe (2), which forms a support layer and which is bent from a support plate or is presen...
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WO/2015/185346A1 |
The present invention relates to manufacturing of litz wire. In order to provide thinner litz wires, a system (100) for manufacturing litz wire is provided, the system comprising a provision unit (102) and a conversion unit (104). The pr...
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WO/2015/177015A1 |
A method of making a hose connection for a hose, comprising at least the following steps of processing of a metal sheet: - drawing for the creation of a semi-processed ax i ally hollow cylindrical piece (11) having a base end (12) and a ...
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WO/2015/166732A1 |
A steel sheet pile manufacturing method for manufacturing a steel sheet pile formed by mounting a joint onto a spiral steel pipe that is formed by bending belt-shaped steel sheets into a spiral shape and welding adjacent steel sheets tog...
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WO/2015/165723A1 |
The invention relates to a method for performing material tests for pipes made of steel, which pipes are to be treated with heat that influences the mechanical properties, wherein in a first process step a seamless or welded pipe is prod...
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WO/2015/166078A1 |
The device for manufacturing a tubular lagging element (1) from sheet metal starting from a sheet-metal blank (9) comprises, in succession in a direction of travel perpendicular to the axis of the lagging element that is to be created, a...
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WO/2015/159545A1 |
Provided is a tack welding method whereby, when welding large-diameter welded steel pipes, welding speed can be increased and humping beads, burn through, and incomplete fusion can be avoided. In this tack welding method: tack welding is...
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WO/2015/156358A1 |
A welded pipe of an α+β titanium alloy excellent in terms of strength and rigidity in the pipe-length direction, characterized by having a composition that contains, in terms of mass%, 0.8-1.5% Fe and up to 0.02% N and satisfies that Q...
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WO/2015/152108A1 |
In this steel-pipe shaping method, in which a raw steel sheet is made into a substantially cylindrical shape via a first-half shaping process whereby three-point bending is performed a plurality of times from one widthwise edge of the ra...
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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/2015/146943A1 |
Provided is a method by which it is possible to form a phosphate coating on steel wire at good productivity within a short time, without inflicting severe working-induced alteration of the surface of the steel wire. This method includes ...
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WO/2015/140932A1 |
The purpose of the present invention is to increase the service life of a ring cutting tool and produce welded pipes more efficiently. A ring cutting unit is held on the downstream end of a mandrel that is inserted inside a welded pipe i...
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WO/2015/137261A1 |
An automatic formation device or an automatic formation system that sets an equipment operation time from a required manufacturing time per product during the manufacturing of tubes having a round, polygonal, or oblong cross-section, whe...
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WO/2015/127923A1 |
The invention relates to a method for producing a spirally welded tube (1), wherein an open-seam tube (9) with a spirally circumferential slot (22) is shaped from a steel strip (6), said method being characterized, according to the inven...
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WO/2015/126810A1 |
Fluid conveying pipes and processes of forming such pipes using friction stir welding. The fluid conveying pipes are formed from a pipe section that includes a first barrel coaxially and concentrically disposed within a second barrel. Th...
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WO/2015/121950A1 |
In the present invention, plate-bending processing in which a metal plate is bent into a cylindrical shape is performed. A butting left end surface (2a) and a butting right end surface (2b) of the metal plate (12) are subsequently tack w...
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WO/2015/121951A1 |
In the present invention, plate-bending processing in which a metal plate is bent into a cylindrical shape is performed. A butting left end surface (2a) and a butting right end surface (2b) of the metal plate (12) are subsequently tack w...
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WO/2015/107393A1 |
The invention relates to a method for the manufacture of a strip having a variable thickness along the length thereof, wherein said method comprises the following steps: - uniform cold rolling of the initial strip along the length thereo...
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WO/2015/106610A1 |
Heterogeneous steel wire for use in multi-wire cutting, comprising two or more sets of heterogeneous parts. Each heterogeneous part consists of a curled part (12) and a twisted part (11). The axes of steel wires in the curled part (12) a...
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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/2015/088388A1 |
The invention relates to pipe production, and specifically to the cold rolling of pipes made from α- and pseudo-α titanium alloys. The technical result which is achieved in carrying out the invention is the creation of an economical...
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WO/2015/073300A1 |
A method of fabricating boiler water walls that includes the steps of forming a subpanel formed of at least one fin and one tube by laser arc welding the at least one fin to the one tube and then laser arc welding a predetermined plurali...
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WO/2015/071449A1 |
The present invention relates to a plated wire for reinforcing motor vehicle tyres, which comprises a wire, a copper or copper alloy plating layer on the wire and an oxide layer formed on the surface of the copper or copper alloy plating...
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WO/2015/072158A1 |
The present invention is equipped with a laser welding device that welds the side ends of a web material (4) respectively to two flange materials (2, 3), and a roller-type web material clamping device (30). The roller-type web material c...
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WO/2015/068062A1 |
The object of the invention is a clamp mechanism, clamping on a tube made of elastic material, provided with a band clamped on a tube. Inside the tube (21), in the location where the band (23) clamps there is located a stiff element (22)...
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WO/2015/064695A1 |
[Problem] To provide: a molten metal plating furnace that can increase plating quality and work efficiency; a system for producing and method for producing a metal plated product; and a metal plated steel tube obtained by means of the me...
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WO/2015/058880A1 |
The invention relates to a roller burnishing tool for generating a tooth structure in a wall (6.2) of a cylindrical blank (6), comprising the following features: • - a clamping device for holding the blank (6); • - an annulus of disc...
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WO/2015/048865A1 |
Improvements to polymer sheet butt welding equipment representing an evolutionary solution that is capable of providing a remarkable benefit to companies with demand for manufacture of products presenting an essential need for bonding co...
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WO/2015/045373A1 |
A high-carbon electric resistance welded steel pipe having a highly reliable electric resistance weld is provided. This process comprises: using, as a raw material steel plate, a high-carbon steel plate having a composition which contain...
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WO/2015/042492A1 |
The present invention provides an isothermal processing method (101 ) for making an isothermal processed copper clad aluminum composite (55) comprising: providing an aluminum component (11 ) and a copper component (12); cleaning the alum...
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WO/2015/033895A1 |
A heat transfer pipe (10) has a corrugated section (12) on the inner surface (10B) thereof. The heat transfer pipe (10) is formed by cylindrically winding a metallic plate (11), on which the corrugated section (12) is formed, and joining...
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WO/2015/027263A1 |
The invention relates to a continuous belt (1) with a metal belt body (2), wherein the ratio of a circumferential length (I) of the continuous belt (1) to a depth (b) of the continuous belt (1), which extends transversely to the circumfe...
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WO/2015/024644A1 |
The invention relates to a shaping mould for shaping a hollow profile, in particular a pipe, from a longitudinal profile, such as an un-shaped metal plate or sheet, by means of a pressure jacket, wherein the shaping mould has a pressure ...
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WO/2015/026563A1 |
A high strength dual-swaged airbag inflator vessel comprising a high strength metal material, such as low carbon steel, has a swaged terminal end defining two distinct swaged portions. A reduction of diameter within one of the swaged por...
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WO/2015/022294A1 |
The invention relates to a method for producing a quenched and tempered, seamlessly hot-rolled steel pipe, according to which method a hollow block heated to forming temperature is rolled in a rolling mill into a pipe having a finished d...
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WO/2015/022899A1 |
An electric-resistance-welded steel pipe that has excellent weld quality and is suitable for use as an oil well pipe or line pipe, characterized in that a steel plate constituting the base material of the electric-resistance-welded steel...
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WO/2015/021219A1 |
A method of forming a flat bar is provided. A tube is provided having an inside surface and an outside surface. The outside surface of the tube can be clad with a nickel or stainless alloy material. A helix shaped strip can be cut from t...
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WO/2015/013349A1 |
When forming ultra-conductive wire, multi-walled carbon nanotubes (MWCNTs) are dispersed and de-agglomerated in hot metal. The MWCNTs are dispersed in a precursor matrix via mixing and sintering to form precursor material, which is hot- ...
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WO/2015/007386A1 |
In a device for machining a workpiece, in particular a tube having a low wall thickness, by means of at least one rotatable tool (1) which can be moved toward the workpiece, the tool (1) consists of at least two successive rolling dies (...
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WO/2015/003276A1 |
The invention relates to a method for working a strip (16) continuously supplied from a coil, using the same equipment (9) for roll bending, cutting and welding in a single combined machine, such that an end product of the required quali...
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WO/2015/004156A1 |
Heat exchanger comprising an outer conduit having a longitudinal axis and an inner conduit having an outer surface and arranged inside and along the longitudinal axis of the outer conduit, the outer surface of the inner conduit and an in...
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WO/2015/004901A1 |
A thick-walled electric resistance welded steel pipe for a line pipe, said steel pipe ensuring high toughness, even in an electric resistance welded section, as a result of the following. The steel pipe comprises, as a material, a thick ...
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WO/2014/207264A1 |
The invention relates to a method for producing handles for cleaning utensils. A metal strip is deformed in order to form a tube, the outer face of said strip having been previously cleaned and conditioned in order to facilitate the adhe...
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WO/2014/209486A1 |
An apparatus comprises an uncoiling device for unrolling sheet material, an embossing device for embossing a series of crush initiating embossments into the sheet, a slitter to remove deformed edges of the sheet to facilitate welding, an...
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WO/2014/192043A1 |
Provided are: a method for press-molding a steel pipe having a low variability of the seam gap at an abutted section; and a method for producing a steel pipe. The method molds a steel pipe by subjecting a steel plate to a plurality of re...
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WO/2014/192091A1 |
In this method that is for producing a welded steel pipe by means of a press bending method and that produces a steel pipe by causing a starting-material steel plate to be three-point bend press-molded into an open pipe by means of a pai...
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WO/2014/192129A1 |
This bending press uses a pair of dies and a punch (2) that rises and falls between the dies to bend steel sheets on the dies. When a mold (5) at the tip of the punch is replaced, conveying the mold (5) in to directly below the punch (2)...
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WO/2014/187137A1 |
Disclosed is a nickel-copper seamless tube, which is prepared from a blank comprising the following components: 28-34% of Cu, 1.6-2.5% of Fe, 1.4-2% of Mn, 0.05-0.15% of C, 0.3-0.8% of Si, 0.14-0.24% of S, and the balance being Ni. The b...
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WO/2014/188485A1 |
This offset correction control device for a continuous tack welding device uses a plurality of roller cages to constrain a cylindrical steel sheet and butts the width-wise ends of the steel sheet mutually together to continuously tack we...
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