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WO/2017/108739A1 |
A mechanical spacer for spacing along a spacing axis, characterised in that it comprises a support (1) and two spacer plates (2), each spacer plate (2) comprising at least one bevel (3), and in that it also comprises a central rod (4) ca...
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WO/2017/055065A1 |
The invention relates to a method for straightening a distortion (4) of a component (1) by way of a straightening device (20), the straightening device (20) having a clamping element (21) for clamping in the component (1), a straightenin...
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WO/2017/048045A1 |
The present invention relates to an end pin manufacturing system and manufacturing method which are configured to receive a supply of a raw material and manufacture end pins of various shapes through multiple extrusion steps. The end pin...
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WO/2016/199061A2 |
A stretching machine (1) is described for non-ferrous profiles, comprising a head (2) provided with a body (22) and a clamp (21), hydraulic cylinders (3), at least one pump (4), at least one electric motor (5), a liquid tank (6), at leas...
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WO/2016/200369A1 |
A coiled tubing conveyance apparatus includes a tubing injector and a guide roller frame having a coiled tubing reel attached thereto movably mounted on the tubing injector. The guide roller frame includes at least one guide roller to st...
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WO/2016/158874A1 |
The present invention makes it possible, even for welded section steel of asymmetrical shape in which sections of flange members have different degrees of thermal deformation after welding, to allow for corrections to the original cross-...
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WO/2016/142362A1 |
The invention relates to a straightening machine (1) for straightening an elongated semifinished product with straightening roller elements (6), with a roller table line (3) designed as a conveying section (4), with a stand device (7), w...
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WO/2016/117759A1 |
The present invention provides a copander machine that decreases residual stress generated in the outer circumference of a pipe and corrects flexion deformation. The technical gist of the present invention for achieving this is character...
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WO/2016/053377A1 |
A stamping tool and a method for deforming a part with the stamping tool are disclosed. The stamping tool may include an array of striking members (e.g., pins), each striking member capable of being actuated independently with respect to...
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WO/2016/037021A1 |
Assisted magnetic forming uses a magnetic field to assist in the forming or molding of metallic and non-metallic materials. For example, such a forming process may form a blank of ferromagnetic metals like high-strength steel and high-ha...
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WO/2016/013809A1 |
The present invention relates to an aluminum pipe resin coating apparatus which stably, solidly, and evenly coats resin on the outer surface of an aluminum pipe, an aluminum alloy pipe, and a copper (Cu) pipe (called "aluminum pipe" here...
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WO/2016/009653A1 |
A pipe expander whereby steel pipes can be manufactured at low cost is provided. The pipe expander comprises a cone (170) which is fitted to the leading end of a draw bar connected to a cylinder and has a perimeter that gradually increas...
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WO/2015/149089A1 |
Dressing apparatus for processing two wires simultaneously travelling in parallel and close to one another or one travelling wire, said apparatus having at least two driveable rollers (2, 3), which coaxially adjoin one another laterally ...
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WO/2015/113971A1 |
The present invention relates to a roll straightening machine (1) for straightening an elongated string member, having at least one first straightening roll (24, 25), which is rotatably mounted around a first rotation axis (43) and motor...
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WO/2015/109118A2 |
A method, process, system, aid apparatus for straightening of thin, tubular shapes. A method of straightening of thin tubular shapes includes; supporting a tubular product between a plurality of first support members and a plurality of s...
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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/2015/075940A1 |
A production method for a forged crank shaft, including a die-forging step, a burr-removal step, and an excess thickness section-squashing step. In the die-forging step, a finished forged material having burrs thereon and having a cranks...
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WO/2015/075934A1 |
A production method for forged crank shafts that includes a die-forging step, a burr-removal step, and an excess thickness section-bending step. In the die-forging step, a finished forged material having burrs thereon and having a cranks...
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WO/2015/075924A1 |
A production method for a forged crank shaft, including a die-forging step, a burr-removal step, and an excess thickness section-bending step. The die-forging step molds a finished forged material having burrs thereon and having a cranks...
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WO/2015/073738A1 |
A consumable assembly for use in an arc welding apparatus is provided that includes a nozzle assembly having a nozzle body, an insulator disposed within the nozzle body, and a nozzle insert (94) disposed within the insulator. The nozzle ...
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WO/2015/073692A1 |
A consumable assembly for use in an arc welding apparatus is provided that includes a nozzle assembly having a nozzle body (100), an insulator (92) disposed within the nozzle body (1000), and a nozzle insert (94) disposed within the insu...
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WO/2015/073749A1 |
An arc welding apparatus includes a conductor tube assembly that has a collar assembly with a collar body (98) that is biased by a spring (100). A consumable assembly is mechanically secured to the conductor tube and displaces the collar...
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WO/2015/073699A1 |
A tool (70, 170) for repairing an interior surface of a conductor tube (52) comprises an elongate body (72, 172) having a proximal end (74, 174) and a distal end (76, 176). The tool includes a profiled end surface(78, 178) that mates int...
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WO/2015/027361A1 |
A straightening round process of numerical control straightening round machine. One sensor is mounted in the numerical control straightening round machine and connected with a PLC controller. The program built in the PLC controller calcu...
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WO/2015/017047A1 |
Methods of manufacture include welding two or more elongate members together to define an elongate weldment, wherein the welding results in a weld region that is in tension and regions adjacent to the weld region that are in compression,...
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WO/2015/004925A1 |
This apparatus is provided with: a lower punch having a flange bottom surface-correcting face for pressing the flange bottom surface of a bearing cap to perform correction thereof, and a flange side surface-correcting face for correcting...
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WO/2014/188944A1 |
This method for producing a steel pipe includes: a first tube expanding step for performing tube expansion on a steel pipe within a range of tube expansion rates such that the upper limit value is the greatest value of the tube expansion...
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WO/2014/188490A1 |
This method for producing a steel pipe has: a first tube expansion step for performing tube expansion of a steel pipe within a range of tube expansion rates having as the upper limit value the greatest value of the tube expansion rate re...
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WO/2014/142484A1 |
The present invention relates to an apparatus for manufacturing a seamless pipe through friction stir welding of a metal extruded material, which has been extruded by an extrusion method. The present invention provides, according to an a...
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WO/2014/113169A1 |
A method of improving the surface finish of a sheared end face of a cylindrical blank in a progressive forming machine comprising deforming the end face out of its original as sheared transverse plane into a first shape concentric with t...
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WO/2014/095393A1 |
Straightening machine (10) comprising a frame (12) supporting housings, each housing receiving a roll shafts (14) rotatable about its axis, the straightening machine being characterized in that it further comprises: at least a first asse...
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WO/2014/087304A1 |
Rolling roll comprising: a support (10) and an insert (11) made of sintered material wherby said support (10) is made entirely of a composite material containing carbon fibres or glass fibres.
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WO/2014/073061A1 |
[Problem] The purpose of the present invention is to provide a correcting device which is disposed in proximity to an extrusion outlet of an extruding machine so as to provide high cross section correction precision for an extruded shape...
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WO/2014/067277A1 |
Disclosed is a method for manufacturing an explosion-proof motor shaft, wherein a shaft body of the explosion-proof motor shaft comprises a circular shaft section (1) and a spline section (2); the deformation of the shaft body is reduced...
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WO/2014/034522A1 |
A duplex stainless steel tube has a tensile yield strength (YSLT) of 689.1 to 1000.5 MPa in the tube axis direction of the duplex stainless steel tube, wherein the above-mentioned tensile yield strength (YSLT), the compressive yield stre...
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WO/2014/019000A1 |
Straightening roller unit for steel material to be straightened (1) in wire, rod or strip form, in particular wires, rods, sections or strips, comprising straightening rollers (6) which co-operate in pairs and can be moved against the ma...
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WO/2013/186733A1 |
This invention relates to a method of and apparatus for opening used metal pipes (15) to deform them into curved or substantially flat plates and comprises splitting the pipe (15) longitudinally, anchoring a first side of the split to a ...
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WO/2013/117096A1 |
A short stress line multi-roller straightening machine comprises a frame (1), a roller system, and bearing blocks and a pull rod (2) arranged at one end or both ends of the roller system. The roller system comprises an upper straightenin...
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WO/2013/094246A1 |
The present invention is characterized by being equipped with: a placement step, wherein a sealing body (30) is placed upon a support surface (15a) comprising the bottom surface of a stepped part that is formed at the aperture edge part ...
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WO/2013/064882A1 |
Method for rolling a product to be rolled to obtain a U-shaped section bar (25) and with at least two lateral segments (26), connected to each other by an intermediate segment (27). The method comprises at least a first rolling step in w...
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WO/2013/037725A1 |
Device to correct the shape of a bent metal bar (B) which is provided with at least a substantially rectilinear first segment (16), a substantially straight second segment (17) which is opposite the first segment (16), separated from it ...
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WO/2013/031879A1 |
Provided is a method for fabricating a welded steel pipe having excellent buckling resistance properties. The method for fabricating a welded steel pipe according to this embodiment has a step for preparing a bare welded pipe and a step ...
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WO/2013/008081A1 |
Straightening device for long or rod-shaped metal products (18), comprising an upper roll unit (12) and a lower roll unit (14), wherein the upper roll unit (12) is mobile and can be positioned vertically at least in the step where a pass...
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WO/2012/153129A1 |
A pipe straightening apparatus comprising a first set of rotatably mounted elements which define, at least in part, a first passageway through which a pipe can be constrained to pass, so as to straighten the pipe, wherein the first set o...
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WO/2012/137924A1 |
This pipe material correction apparatus comprises: a ring-shaped casing, which is disposed at the periphery of a pipe material with the inner peripheral surface thereof, which is formed in a circular shape, made to face the outer periphe...
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WO/2012/111291A1 |
A method for straightening a steel material, the method comprising using superhard straightening rolls, the material of which is a tungsten carbide-cobalt (WC-Co)-based sintered object (superhard alloy). The method for straightening is c...
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WO/2012/110340A1 |
In a method for straightening elongate material (105) in an automated straightening process, in particular for straightening wire or tube material, the material (105) is conveyed from a material stock through a straightening unit (120) w...
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WO/2012/111307A1 |
A method for correcting the inner diameter of a pipe end of a seamless pipe formed from high-CR stainless steel containing 8 to 35 mass% of CR and 0.1 to 10 mass% of Ni comprises: a pipe end correction step with which the pipe end part o...
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WO/2012/100737A1 |
Steel reinforcing bar (rebar) straightening method and straightener having stretching capabilities and pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretching mechanism in ...
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WO/2012/100738A1 |
A steel reinforcing bar (rebar) straightener having stretching capabilities and lower driving mixed pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretching mechanism in the...
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