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Patent Searching and Data


Matches 101 - 150 out of 3,563

Document Document Title
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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,...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
WO/2012/100735A1
A steel reinforcing bar (rebar) straightening method and straightener having stretching capabilities and fully-driven pressure rolls, comprising a traction mechanism in the front section of the straightener, a straightening and stretchin...  
WO/2012/099857A1
An apparatus and method for straightening an article are disclosed. The apparatus and method disclosed provide for the conservation of metal, reduction waste worldwide, and the extension of the useful life for an article. The apparatus m...  
WO/2012/092920A1
The invention relates to a method for the roller-straightening of crankshafts (8, 8') with the aid of fixed rolling tools (1 to 7), in particular fixed rolling rollers (18, 19), which, while the crankshaft (8, 8') is being turned about i...  
WO/2012/028296A1
The invention relates to a device for feeding long workpieces (W) into and removing same from a processing machine, such as a bending-straightening machine, in which the long workpiece (W) located in the processing positions defines a pr...  
WO/2012/028297A1
The invention relates to a gripper head for gripping arrangements for manipulating a long workpiece (W) in a horizontal arrangement, in particular at the end regions thereof. In order to simplify manipulation, in particular feeding and r...  
WO/2012/016998A1
The method for correcting the effect of twist stresses in metal rods provides for feeding a first rod (2) of a couple of metal rods (2) through at least a first correction wheel (11) provided with a grooved portion (11a), suitably shaped...  
WO/2012/015602A1
A method for straightening a solution treated and aged (STA) titanium alloy form includes heating an STA titanium alloy form to a straightening temperature of at least 25°F below the age hardening temperature, and applying an elongation...  

Matches 101 - 150 out of 3,563