Patents for B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape (9,784)
10/2011
10/13/2011US20110247715 High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same
10/13/2011DE102010014287A1 Longitudinal seam-welded multi-layer pipe is made of metal, particularly steel, where pipe has solid, pressure-resistant outer layer and thin, corrosion-resistant inner layer
10/12/2011EP2375549A1 Method and apparatus for manufacturing a rotor
10/12/2011EP2373455A1 Method and apparatus for producing pipe sections using a laser beam movable by a scanning device, and corresponding pipe section
10/12/2011CN202006227U Molding machine for metallic corrugated pipe
10/12/2011CA2736846A1 Flattened tubes for use in heat exchangers and other systems, and associated methods of manufacture and use
10/11/2011CA2595181C Controlled thickness resilient material lined stator and method of forming
10/06/2011WO2011120062A1 Method for producing wheel axles, in particular for railway carriages
10/06/2011DE102010013472A1 Seam monitoring device for inseam plane in high frequency-welding pipe systems for monitoring pipe seam of a longitudinal production pipe, comprises measuring body connected with the inseam plane, a scanning tool, and electronic processor
10/05/2011EP1607151B1 Method for processing metal body and apparatus for processing metal body
10/05/2011CN201997567U Fully-automatic aluminum tube bending production device
10/05/2011CN201997566U Aluminium tube extruding device
10/05/2011CN102209822A Reinforcing
10/05/2011CN102205359A Method for manufacturing foamed aluminum board
10/05/2011CN102205356A Cold extrusion die for double end pipe joint
10/05/2011CN101450355B Flat tube, flat tube heat exchanger, and method of manufacturing same
10/04/2011US8028395 Method for manufacturing high flow insufflation needle stylet
09/2011
09/29/2011WO2011118841A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor
09/29/2011WO2011118783A1 Method and apparatus for manufacturing uoe steel pipe
09/29/2011WO2011118681A1 Steel pipe production equipment
09/29/2011WO2011118560A1 Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding
09/29/2011WO2011118403A1 Method of manufacturing high-frequency acceleration cavity component
09/29/2011DE19981349B4 Ausrückvorrichtung mit hydraulischer Betätigung mit einem Führungsrohr und Verfahren zur Herstellung eines solchen Rohrs Release assembly with hydraulic actuation with a guide tube and method for manufacturing such a tube
09/28/2011EP1514950B1 Stainless-steel pipe for oil well and process for producing the same
09/28/2011CN102203303A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102203302A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102203301A Method for manufacturing steel plate and steel pipe for ultrahigh-strength line pipe
09/28/2011CN102200205A U-PVC (Unplasticized Polyvinyl Chloride) steel band spiral pipe and preparation method thereof
09/28/2011CN101850378B Manufacturing method of 1.5D elbow
09/28/2011CN101709407B Preparation method of ferrimanganic copper-nickel tube
09/28/2011CN101708511B Method for manufacturing pure titanium seamless tubes
09/28/2011CN101613829B Steel pipe for borehole operation of 150ksi steel grade high toughness oil and gas well and production method thereof
09/28/2011CN101579702B New technique for producing high alloy steel high-end pipe by adopting cross rolling elongation technology
09/28/2011CN101435671B Heat transfer tube and method of and tool for manufacturing the same
09/27/2011US8024846 Preparation of an article surface having a surface compressive texture
09/22/2011WO2011083925A3 Method and apparatus for manufacturing a corrugated steel pipe
09/22/2011US20110226032 Pipe-bending press
09/21/2011CN201978964U 一种连接管件冲压装置 A connector stamping device
09/21/2011CN201978963U 一种黄铜合金冷凝管水平连铸-轧制-退火-拉伸设备 Brass alloy condenser horizontal continuous casting - rolling - annealing - stretching device
09/21/2011CN102191831A Metal ceiling and equipment for manufacturing same
09/21/2011CN102189150A Apparatus for producing a flat tube and method of producing a flat tube
09/21/2011CN102189149A Technological method for forming high-strength thick wall steel tube
09/21/2011CN102189148A Forming device for flat metal wire rod
09/21/2011CN102189144A One-shot forming mould of Y-type tee
09/20/2011CA2638730C Method for improving residual stress of structure member
09/20/2011CA2563514C Method for manufacturing a circular metal tank
09/15/2011WO2011110195A1 Forming line and method for producing a multi-layer pipe
09/15/2011US20110219837 Upper-end formed glass complex for hot expanding piercing and method of manufacturing billet for hot extrusion pipe making
09/15/2011DE102010011153A1 Flexibles, gewickeltes Rohr sowie Verfahren und Werkzeug zur Herstellung eines derartigen Rohres Flexible, wound pipe, and method and tool for producing such a tube
09/15/2011DE102010010990A1 O-press machine for bending u-shaped sheet metal for manufacturing pipe, has upper and/or lower tools assembled in segments arranged one behind other along longitudinal direction, where segments are braced with one another by apparatuses
09/14/2011EP2364788A1 Flexible wound tube, method and tool for producing same
09/14/2011EP1412549B1 Bundle drawn stainless steel fibers
09/14/2011CN201969743U 复合钢管的生产设备 Composite Pipe Production Equipment
09/14/2011CN102179423A Automatic bore tapering shaping machine
09/14/2011CN102179422A Method for preparing metal plane plate
09/14/2011CN101797602B Production process and production line for continuous stainless steel coil
09/14/2011CN101439365B Method for rolling seamless steel pipe from die-casting hollow steel ingot
09/09/2011WO2011108977A1 A method of manufacturing a stainless steel product
09/09/2011WO2011107946A1 A method for forming, by means of a hydroforming process, a tubular element as well as a device suitable for carrying out such a method, and a tubular element
09/09/2011WO2011068354A3 Apparatus for manufacturing a spiral duct
09/09/2011CA2786930A1 A method of manufacturing a stainless steel product
09/08/2011DE102010010536A1 Verfahren zur Herstellung von Nickelband A process for producing nickel strip
09/07/2011EP2363214A1 Method for producing a welded hollow profile and welded hollow profile
09/07/2011EP2285507B1 Method for producing a large steel tube
09/07/2011CN201960001U 一种异型管成型机 One kind of shaped tube forming machine
09/07/2011CN201960000U 钢带成型模具 Steel mold
09/07/2011CN201959999U 渐变中心距预弯机 From pre-bending machine gradation center
09/07/2011CN201959998U 一种铜带的生产装置 One kind of copper production plant
09/07/2011CN102177277A Working process for manufacturing members excellent in chemical conversion treatability
09/07/2011CN102177036A Twist-axle with longitudinally-varying wall thickness
09/07/2011CN102176987A Method of profiling a tube of given length
09/07/2011CN102176986A Spirally welded conical tower sections
09/07/2011CN102176985A Excellent-formability and high-strength steel tube excellent in chemical convesion treatability and process for production of same
09/07/2011CN102172814A Method for manufacturing longitudinal submerged arc welded pipe
09/07/2011CN102172666A Heavy-calibre spiral corrugated pipe machine
09/07/2011CN102172665A High-precision aluminum alloy rectangular tube forming method
09/07/2011CN102172664A Flexible manufacturing method of thin-wall complex bent pipes
09/07/2011CN102172663A Production technology and equipment for composite steel tubes
09/06/2011US8011220 Backward extrusion process for inner profiles
09/01/2011WO2011104189A1 Method and device for impact-extruding workpieces
09/01/2011DE102011000265A1 Vorrichtung zur Herstellung einer flachen Röhre und Verfahren zur Herstellung einer flachen Röhre An apparatus for producing a flat tube and method of manufacturing a flat tube
08/2011
08/31/2011EP2361161A1 Spirally welded conical tower sections
08/31/2011EP2173501B1 Method for the production of a flat tube
08/31/2011CN201950087U 大径直缝焊管生产线 Large-diameter welded pipe production line
08/31/2011CN102166590A Annular steel plate and manufacturing process thereof
08/31/2011CN101761722B Preparation method of tritium-permeation resistant seamless U-shaped pipeline for thermonuclear fusion experimental reactor
08/31/2011CN101653792B Processing method of molybdenum and molybdenum alloy narrowband
08/31/2011CN101579703B New technique for manufacturing high alloy steel seamless pipe with heavy calibre by adopting pilger mill
08/30/2011US8006382 Method of manufacturing flow selector disk for fluid pressure regulator
08/30/2011CA2640235C Method of manufacturing lined tubing
08/24/2011CN201940437U 一种防腐金属管的连续生产装置 Apparatus for the continuous production of the metal tube anticorrosion
08/24/2011CN102162050A Method for manufacturing medium-strength aluminum alloy wire with electric conductivity of 59 percent
08/24/2011CN101751021B Seamless steel tube production process information tracking method
08/18/2011WO2011098377A1 Device and method for continuously welding strips and/or sheets using two welding heads offset from each other
08/18/2011DE102010008134A1 Method for manufacturing pipe for axle assembly, involves cutting metal sheet, and bending metal sheet to closed profile and connecting facing edge areas to metal plate
08/17/2011EP2357047A1 Assembly for longitudinally forming a metal strip or profile into a profile or tube
08/17/2011EP2285508B1 Production-optimized method for producing a multilayered tube
08/17/2011CN201930983U 一种可用抽插式更换带模的螺旋风管机械 Replace with one of the available modes Choucha type spiral duct machinery
08/17/2011CN102152065A Corrosion resistant fluid conducting parts, methods of making corrosion resistant fluid conducting parts and equipment and parts replacement methods utilizing corrosion resistant fluid conducting parts
08/17/2011CN101844162B Method for removing residual stress of hot-rolling high-strength steel
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