| 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) |
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| 01/15/2014 | CN203389986U Improved three-roller extruding device for welding forming of large-calibre thin-wall tube |
| 01/15/2014 | CN203389985U Special equipment for producing fine-boring rolled pipe |
| 01/15/2014 | CN203389984U Special equipment for producing high-rigidity cold-drawn steel pipe |
| 01/15/2014 | CN203389983U Special equipment for producing high-strength cold-drawn steel pipe |
| 01/15/2014 | CN203389982U Special equipment for producing high-precision cold-drawn steel pipe |
| 01/15/2014 | CN203389981U Special equipment for producing precise inner-hole honing pipe |
| 01/15/2014 | CN203389980U Special equipment for producing cold-drawn precise seamless steel pipe |
| 01/15/2014 | CN203389979U Full-automatic capillary copper pipe straightening and cutting machine |
| 01/15/2014 | CN203389978U Wire molding equipment |
| 01/15/2014 | CN103511759A Low-stress copper steel composite welded pipe and production method thereof |
| 01/15/2014 | CN103510001A Cold-rolled steel plate for double-layer coil-welded tubes and production method thereof |
| 01/15/2014 | CN103506425A Preparation method of square steel pipes with different wall thicknesses |
| 01/15/2014 | CN103506424A Process for machining titanium tube with specification of phi 89*2 mm |
| 01/15/2014 | CN103506423A Energy-saving type processing and production technology for high-purity nonferrous metal wire rods |
| 01/15/2014 | CN102586708B Wide and flat or semicontinuous wide and flat magnesium alloy ingot blank molding method |
| 01/14/2014 | US8627703 Linear drawing machine and method for linear drawing of a workpiece through a drawing ring |
| 01/09/2014 | US20140007641 Welded Component Comprising Seamless Bent Pipe and Seamless Straight Pipe Sections and Methods of Manufacturing Thereof |
| 01/09/2014 | DE112011105154T5 Verfahren zur Kaltumformung eines durchgehenden Metallbandes A process for cold forming of a continuous metal strip |
| 01/08/2014 | EP2681384A1 Safety supporting structure |
| 01/08/2014 | CN203380209U Automatic production line of composite pipe |
| 01/08/2014 | CN103501930A Method for producing connection ports |
| 01/08/2014 | CN103498084A Novel high-strength high-conductivity aluminium-alloy conductor and production method thereof |
| 01/08/2014 | CN103495618A Cast rolling composite production device and method of metal composite plate |
| 01/08/2014 | CN103495617A Roll extrusion forming device for variable-wall-thickness cylinder part |
| 01/08/2014 | CN102463271B Production method of zinc base alloy thin-wall pipe |
| 01/08/2014 | CN102348517B Hollow member, and manufacturing device and manufacturing method thereof |
| 01/08/2014 | CN101909802B Welded state monitoring device and method |
| 01/07/2014 | US8621733 Device for preparing the end faces of thin-walled jackets for welding |
| 01/03/2014 | WO2014002423A1 High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method for producing same |
| 01/03/2014 | WO2014001408A1 System for stitch welding in the production of seam heat sealed pipes made of sheet panels |
| 01/03/2014 | WO2014000816A1 Flexible pipe carcass for controlling flow induced vibration in a riser |
| 01/03/2014 | CA2877610A1 High-strength electric-resistance-welded steel pipe of excellent long-term softening resistance in intermediate temperature ranges, and method for producing same |
| 01/03/2014 | CA2877398A1 Flexible pipe carcass for controlling flow induced vibration in a riser |
| 01/02/2014 | US20140004374 Multi-Layer Encapsulated Structures |
| 01/02/2014 | DE102012012548A1 Method for manufacturing drive shaft, involves connecting adjacent winding layers with each other to form torsionally rigid intermediate tube |
| 01/01/2014 | EP2679318A1 Method of manufacturing a flattened tube for use in heat exchangers and welding system for manufacturing a flattened tube |
| 01/01/2014 | CN203370859U Longitudinal submerged arc welding pipe finishing line |
| 01/01/2014 | CN103492701A Tubular pressure accumulator, in particular for mixture compressing spark-ignition internal combustion engines |
| 01/01/2014 | CN103492094A Tower production method |
| 01/01/2014 | CN103486429A Bead weld alloy wear-resisting tube and bead weld manufacturing method thereof |
| 01/01/2014 | CN103480686A Forming equipment of spiral pipe with special section and forming method |
| 01/01/2014 | CN103480685A Processing method of TC18 titanium alloy wires |
| 01/01/2014 | CN103480684A Method for cold roll forming of D-shaped section steel |
| 01/01/2014 | CN103480683A Molding device for bridge-cutting-free heat-insulation aluminum profiles |
| 12/27/2013 | WO2013192541A1 Double-sided peelable thin foil composite |
| 12/27/2013 | WO2013190750A1 Thick, high-strength, sour-resistant line pipe and method for producing same |
| 12/26/2013 | US20130340880 Method And Apparatus For Fabricating A Metal Pipe Having At Least One Smooth Portion And At Least One Grooved Portion |
| 12/25/2013 | EP2675928A1 Method for manufacturing high-strength steel sheet parts subject in use to fatigue stresses |
| 12/25/2013 | CN203356245U Integrated pipe fitting numerical-control processing machine tool |
| 12/25/2013 | CN103476536A Method for producing laser-welded steel tube |
| 12/25/2013 | CN103469001A Copper-based superfine wire and preparation method thereof |
| 12/25/2013 | CN103464509A Finishing method for copper coil pipe of solar air conditioner |
| 12/25/2013 | CN103464508A Production method of hot rolled metal compound tube |
| 12/25/2013 | CN103464507A Production method for high-precision austenite seamless steel pipe |
| 12/25/2013 | CN103464506A Composite metal wire and manufacturing technology thereof |
| 12/25/2013 | CN103464505A Device and method for producing high-frequency roll welding multilayer composite plate |
| 12/25/2013 | CN102500640B Technique optimization method of cage roll forming machine set of longitudinal welded pipe |
| 12/25/2013 | CN102240697B Production line of copper coil pipe |
| 12/24/2013 | DE102012210387A1 Flexible spacer structure has retaining ring immersed partially into the groove between groove walls so that braided fabric with axial component of force is pressed against one of two groove walls |
| 12/24/2013 | CA2557211C Unitary rear axle housing and method for manufacturing same |
| 12/19/2013 | WO2013186490A1 Tube notching method, and associated notching machine |
| 12/19/2013 | WO2013186284A1 Bolt elements and method for producing bolt elements |
| 12/19/2013 | WO2013185770A1 Node structures for lattice frames |
| 12/19/2013 | US20130333431 Strip guidance system for machines that form pipes from continuous profiled and spiralled strips |
| 12/18/2013 | EP2497695B1 Steering column of an automobile with a shaft section closed by tongues |
| 12/18/2013 | CN203343212U Novel dial type helical weld pipe forming roll angle display |
| 12/18/2013 | CN203343206U Production unit for helical welded pipe with reinforcing ribs |
| 12/18/2013 | CN203343205U Thick-wall titanium welded pipe forming machine |
| 12/18/2013 | CN203343204U Forming die base mechanism of semi-automatic multistation pipe fitting former |
| 12/18/2013 | CN103453239A Spiral-hooping-reinforced stainless steel gas pipe and special production equipment and production method thereof |
| 12/18/2013 | CN103447370A Packing medium for extruding branch tube and manufacturing technology of branch tube |
| 12/18/2013 | CN103447349A Two-way active rolling type stainless-steel spiral air pipe machine |
| 12/18/2013 | CN103447348A Manufacturing method of stainless steel wire |
| 12/18/2013 | CN103447347A Continuous drawing production line and production method of strip product |
| 12/17/2013 | US8608871 High-strength steel tube having excellent chemical conversion treatability and excellent formability and method for manufacturing the same |
| 12/14/2013 | CA2815473A1 Selectively weakened stretched films |
| 12/12/2013 | WO2013181683A1 Endless belt comprising an annular belt member |
| 12/12/2013 | US20130327116 Method for designing material to be subjected to cylinder forming and product formed by performing cylinder forming |
| 12/11/2013 | EP2672123A1 Cell wheel, in particular for a pressure wave charger |
| 12/11/2013 | EP2670942A1 Method and wellbore system |
| 12/11/2013 | EP2670919A1 Method for constructing a mast for in particular off-shore wind turbines |
| 12/11/2013 | EP2493637B1 Apparatus for manufacturing a multilayer tube for the hydraulic connection and wiring of solar panels |
| 12/11/2013 | CN103433327A Filling medium for extruding penetration piece and manufacturing technique of penetration piece |
| 12/11/2013 | CN103433326A Filling medium for extruding penetration piece and manufacturing technique of penetration piece |
| 12/11/2013 | CN103433325A Filling medium for extruding penetration piece and manufacturing technique of penetration piece |
| 12/11/2013 | CN103433324A Filling medium for extruding penetration piece and manufacturing technique of penetration piece |
| 12/11/2013 | CN103433323A Production method of internal thread aluminum pipe |
| 12/11/2013 | CN103433322A Preparation method of elbow by hot pushing under intermediate frequency |
| 12/11/2013 | CN103433321A Production method of oxygen-free copper pipe for electric vacuum component |
| 12/11/2013 | CN103433320A Processing method of titanium anode plate made of pure titanium plate blank |
| 12/11/2013 | CN103433319A Manufacture method of stainless steel external wall panel for rail vehicle |
| 12/11/2013 | CN102416413B Preparation method of large-diameter aluminum alloy tube |
| 12/10/2013 | US8603316 Method for electrochemical fabrication |
| 12/10/2013 | US8601852 Method of manufacturing seamless pipe and tube |
| 12/10/2013 | CA2591683C Tube made of a profile rolled metal product and method of producing the same |
| 12/05/2013 | WO2013139321A9 Method for producing welded pipes from steel |
| 12/05/2013 | US20130319722 Flexible Tube, Manufacturing Method and Apparatus |
| 12/05/2013 | DE102012010590A1 Vorrichtung und Verfahren zum Herstellen von Hohlprofilen Apparatus and method for producing hollow profiles |
| 12/04/2013 | EP2669022A1 Method for producing longitudinally welded tubes |
| 12/04/2013 | EP2668432A2 A conveying pipe part of a pneumatic material conveying system and a method for forming a pipe joint |