| 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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| 02/28/2013 | WO2013028093A1 Method for the cold deformation of a continuous metal strip |
| 02/28/2013 | WO2013027779A1 Thick-walled electric-resistance-welded steel pipe and process for producing same |
| 02/28/2013 | CA2832021A1 Thick wall electric resistance welded steel pipe and method of production of same |
| 02/27/2013 | EP2560785A1 Method and device for controlling a thermal cycle of a weld joining ends of strip together |
| 02/27/2013 | CN202752380U High-frequency welding aluminum-alloy pipe welding and extruding adjustment device |
| 02/27/2013 | CN102941241A Processing method used for Y2 state copper pipe |
| 02/27/2013 | CN102941240A Manufacturing technique of copper roll bar or copper strip |
| 02/21/2013 | WO2013023744A1 Method for producing a coiled hose, particularly a strip-wound hose, as well as a coiled hose and flexible conducting element comprising a coiled hose |
| 02/21/2013 | DE102011110219A1 Verfahren zum Herstellen eines Wickelschlauches, insbesondere Agraffschlauch sowie Wickelschlauch und flexibles Leitungselement mit einem Wickelschlauch A method of manufacturing a winding tube, in particular strip wound hose and winding tube and flexible pipe member with a winding tube |
| 02/21/2013 | DE102011080942A1 Method for manufacturing distribution element in bottling plant of pharmaceutical plant, involves forming perforations in wall of tubular base element |
| 02/21/2013 | DE102011052740A1 Method for preparation of thin-walled exhaust gas carrying pipe for motor vehicle, involves coupling pipe portions after completion of laser cutting process and soldering coupling region |
| 02/21/2013 | DE102005021408B4 Nutenherstellungswerkzeug und ein Verfahren zur Herstellung eines zylindrischen Lagerelements Nutenherstellungswerkzeug and a method for producing a cylindrical bearing element |
| 02/20/2013 | CN202741474U Production equipment for continuously-composited halogen-free grade-A fireproof metal composite boards |
| 02/20/2013 | CN102936688A Wire with tensile strength>=2000MPa for bridge cable and production method |
| 02/13/2013 | CN202725672U Extrusion device used in process of welded pipe production |
| 02/13/2013 | CN202725671U Welding device for aluminum air pipe |
| 02/13/2013 | CN202725670U Equipment for machining internal upset aluminum alloy drill pipe body |
| 02/13/2013 | CN102933329A Method for producing wheel axles, in particular for railway carriages |
| 02/13/2013 | CN102933328A Method for producing a hollow profiled section |
| 02/13/2013 | CN102933327A Double-walled pipe with a gap, and manufacturing method therefor |
| 02/13/2013 | CN102933326A Bar made of noble metal, and production method |
| 02/13/2013 | CN102931783A High-magnetic permeability thick composite induction plate and manufacturing method for same |
| 02/13/2013 | CN102921765A Manufacturing method and machining equipment of outside fin tube |
| 02/13/2013 | CN102921764A Molding method and molding apparatus for pipe structure having nozzle boss |
| 02/13/2013 | CN102921763A Seamless steel tube processing technology |
| 02/13/2013 | CN102921762A Tool of lead alloy rod wire forming device |
| 02/13/2013 | CN102921761A Method for preparing niobium-zirconium alloy wire for electric light source |
| 02/13/2013 | CN102921760A Machining process for metal handicraft wire with plating layer |
| 02/13/2013 | CN102921759A Method for preparing wide range pure nickel cold rolling coiled material |
| 02/13/2013 | CN102921758A Large-section fully-clad copper-aluminum composite metal plate and manufacturing process thereof |
| 02/13/2013 | CN102921756A High-temperature inner spiral pipe and manufacturing method thereof, as well as spiral line extrusion device |
| 02/13/2013 | CN102125944B Process for producing pneumatic joint core |
| 02/13/2013 | CN102125942B Process for molding cold-bending welded special pipe with trapezoid cross section |
| 02/07/2013 | DE10326609B4 Hohlprofil und Verfahren zur Herstellung eines Hohlprofils Hollow profile and method for producing a hollow profile |
| 02/07/2013 | DE102011110458A1 Leitungselement mit Oberflächenstruktur sowie Verfahren zum Herstellen und Verwendung eines solchen Leitungselement Duct element having a surface structure as well as methods of making and use of such a line element |
| 02/06/2013 | EP2554292A1 Conduit element with surface structure and method for production and use of such a conduit element |
| 02/06/2013 | EP2554286A1 Method and apparatus for manufacturing uoe steel pipe |
| 02/06/2013 | EP2552614A1 Method for producing wheel axles, in particular for railway carriages |
| 02/06/2013 | CN202715652U Steel tube linking machine |
| 02/06/2013 | CN202715651U Energy-saving type adjustable-speed driving system on steel tube production line |
| 02/06/2013 | CN202715650U Four-roller combined extrusion roller frame |
| 02/06/2013 | CN102909237A Preparation method of TA18 thick-wall tube |
| 02/06/2013 | CN102909236A Preparing method of wide-width pure titanium roll |
| 02/06/2013 | CN102909235A Production method of high-precision special-shaped copper and copper alloy strips |
| 02/06/2013 | CN102000943B Powder-filling extrusion processing technique for special three-way pipe for air conditioning |
| 02/05/2013 | US8365775 Concentric, insulated tubular conduits and method for assembly |
| 02/05/2013 | US8365571 Pipe expanding method and pipe expanding device for steel pipe |
| 01/31/2013 | WO2012164579A4 Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel |
| 01/31/2013 | DE102011109048A1 Method for manufacturing steel pipe, involves continuously conveying steel band provided at side with anti-corrosive coating, and forming longitudinal slot formed between two opposite band edges |
| 01/31/2013 | DE102011052153A1 Method for manufacturing motor vehicle-bumper bracket, such as door impact absorber or bumper cross-beam made from metal plate, involves forming metal plate to double-U-profile, which has two U-shaped longitudinal sections |
| 01/30/2013 | EP2551366A1 High-strength electrical-resistance-welded steel pipe and manufacturing method therefor |
| 01/30/2013 | EP2551048A1 Operation management device, operation management method, and operation management program for high-frequency resistance welding and induction welding |
| 01/30/2013 | EP2551027A1 Method and device for drawing longitudinally welded tubes |
| 01/30/2013 | EP2551026A1 Steel pipe production equipment |
| 01/30/2013 | CN202701017U Automatic linking machine for steel pipes |
| 01/30/2013 | CN202701016U Alloy wire processing molding equipment |
| 01/30/2013 | CN102905812A Method for manufacturing branched pipe and apparatus for manufacturing branched pipe |
| 01/30/2013 | CN102896179A Preparation method of stainless steel strip for electronic device shells |
| 01/30/2013 | CN102896178A Cold processing method of metal sheet corner piece and special metal sheet corner forming machine therefor |
| 01/30/2013 | CN102240698B Reducing and hot-pressing formation method for high-pressure bend elliptical pipe billet |
| 01/30/2013 | CN102072642B Shaping method for alkali-accumulation spiral tube |
| 01/30/2013 | CN102039326B Method for preparing bimetallic seamless steel pipe for alkali recovery boiler |
| 01/30/2013 | CN101983258B Manufacture of pipes |
| 01/24/2013 | US20130020834 Method of manufacturing a tubular structural part, and tubular structural part |
| 01/24/2013 | DE102011117621B3 Forming metal tube, comprises shaping blank in shaping process to form tubular semi-finished product, and placing product in capacitor discharge welding device so that longitudinal edges of product are aligned against each other |
| 01/23/2013 | CN202683660U Forming mould for steel-plastic composite steel tube |
| 01/23/2013 | CN202683659U Novel titanium pipe molding and rolling unit |
| 01/23/2013 | CN102892911A Automotive underbody part having excellent low cycle fatigue properties, and process for production thereof |
| 01/23/2013 | CN102892548A Method and device for controlling a thermal cycle of a weld joining ends of strip together |
| 01/23/2013 | CN102889434A Stainless steel compound welding steel pipe and manufacturing method thereof |
| 01/23/2013 | CN102886391A Method for preparing small-aperture magnesium alloy pipe fitting |
| 01/23/2013 | CN102886390A Process for producing ultra-fine copper wire |
| 01/23/2013 | CN102200205B U-PVC (Unplasticized Polyvinyl Chloride) steel band spiral pipe and preparation method thereof |
| 01/23/2013 | CN102139293B Metallic conical pipe coiling machine |
| 01/22/2013 | US8356507 Method and device for manufacturing pipe connectors |
| 01/16/2013 | EP2544833A1 Forming line and method for producing a multi-layer pipe |
| 01/16/2013 | CN202667309U One-step molding device for columns |
| 01/16/2013 | CN202667308U Automatic tube-manufacturing production line |
| 01/16/2013 | CN202667307U Three-roll extrusion device for high frequency straight seam welding machine |
| 01/16/2013 | CN102873148A Simple bending method of large-diameter thin-walled aluminum tube |
| 01/16/2013 | CN102873127A Preparation method for composite layer metal pipeline |
| 01/16/2013 | CN102873126A Manufacturing method of large-aperture thin-walled seamless steel tube for nuclear power plant |
| 01/09/2013 | EP2542372A1 A method of manufacturing a stainless steel product |
| 01/09/2013 | EP2542362A1 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 |
| 01/09/2013 | CN202655379U Stainless steel welded tube linking machine |
| 01/09/2013 | CN202655378U Novel planetary tube rolling mill |
| 01/09/2013 | CN102861785A Nuclear power-used low-temperature seamless steel tube and production method therefore |
| 01/09/2013 | CN102861784A Mid-carbon, nickel, chromium, molybdenum and vanadium alloy steel seamless tube and production method therefore |
| 01/09/2013 | CN102861783A Novel mold for manufacturing threaded tube |
| 01/09/2013 | CN102861782A Manufacturing process of screw wires |
| 01/09/2013 | CN102861781A Alloy flat wire processing and forming device and method for rolling wires by using same |
| 01/09/2013 | CN102218454B Production technology of aluminum alloy circular pipe for producing photosensitive drum of fine definition laser printer |
| 01/09/2013 | CN101831588B Steel materials excellent in toughness in weldheat-affected zone and fatigue characteristics of base material, and manufacturing method of the same |
| 01/03/2013 | US20130004883 High-nitrogen stainless steel pipe with high strength, high ductility, and excellent corrosion and heat resistance and process for producing same |
| 01/02/2013 | EP2540408A1 Method for patterning surface of metal object and the metal object |
| 01/02/2013 | CN202638947U Union melt welding internal-expanding multi-specification disk expanding mold |
| 01/02/2013 | CN202638946U Three-roller extrusion device |
| 01/02/2013 | CN202638945U Aluminum pipe forming device for polyethylene-aluminum composite pipeline |
| 01/02/2013 | CN202638944U High-frequency welded aluminium-alloy pipe strip leading device |
| 01/02/2013 | CN202638943U Tension mechanism and gun barrel |