Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; Auxiliary operations used in connection with metal-working without essentially removing material › B21C 37 - Manufacture of metal sheets, rods, wire, tubes, profilesor like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
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)
03/2014
03/26/2014CN103658224A Method for processing linear type TiNiV alloy wire with high superelasticity
03/26/2014CN102441584B Preparation method of thick slab of chamfer titanium alloy
03/20/2014DE10222736B4 Verfahren und Vorrichtung zur Herstellung eines dünnwandigen Rohrleitungselements Method and apparatus for manufacturing a thin-walled pipe member
03/20/2014DE102013103811B3 Verfahren zum Herstellen eines mehrlagigen Großrohres A method for producing a multilayered tube United
03/19/2014CN203485317U Metal wire used for dissociated abrasive cutting and manufacturing device thereof
03/19/2014CN203484432U Bridge-cutting-free thermal-insulation aluminum profile molding device
03/19/2014CN103643146A Chromium-molybdenum low-alloy prestress aluminum-cladding steel wire manufacturing method
03/19/2014CN103643121A Zinc-plating steel strand for overhead guying, and production process thereof
03/19/2014CN103643078A Brass wire and processing method of brass wire
03/19/2014CN103639235A Ti-Al intermetallic compound laminated composite material tube and preparation method thereof
03/19/2014CN103639234A Hot extrusion process method of ultra-long TC11 titanium alloy pipe product
03/19/2014CN103639233A Method for manufacturing forged seamless steel tube applicable to 40 MPa level ultrahigh pressure gas cylinder
03/19/2014CN103639232A Method for preparing AgSnO2 wire
03/19/2014CN103639231A Chromium-molybdenum low-alloy zinc-plating steel strand manufacturing method
03/19/2014CN103639230A Technology for processing copper-nickel-zinc alloy strips
03/19/2014CN102581060B Method for processing copper tube having circular inside and quadrate outside
03/19/2014CN102574181B Welding device for manufacturing electric resistance welded tube
03/19/2014CN102527767B Cold drawing welded tube manufacture process for high-accuracy hydraulic oil cylinder
03/12/2014DE202011110469U1 Rohrbalken mit zentralem Einzelträger Tube bar with central single carrier
03/12/2014CN203470551U Storage movable sleeve with floating tension device
03/12/2014CN203470532U Groined guide device for continuous steel pipe production line
03/12/2014CN203470531U Small-diameter thick-wall hot rolled coil processing system
03/12/2014CN203470530U Continuous drawing production line for strip products
03/12/2014CN103627927A Titanium alloy extruded pipe or rolled pipe and preparation method thereof
03/12/2014CN103624103A Rear-axle folding and unfolding device for spiral pipe welding unit
03/12/2014CN103624102A Method for processing cold-drawing oil cylinder pipe
03/12/2014CN103624101A Preparation method of stainless steel sheath cable (or stainless steel wire)
03/06/2014WO2014033362A1 Method for producing a cartridge chamber
03/05/2014EP2703112A1 Method for producing laser welded steel pipe
03/05/2014EP2701859A1 Tower production method
03/05/2014CN203459455U Seamless hot expanding pipe sizing device
03/05/2014CN203459454U Molding equipment for spiral pipe with special-shaped section
03/05/2014CN103611759A Production process of hollow tube blank
03/05/2014CN103611758A Preparation device of bamboo-joint metal wires
03/05/2014CN103611757A Method for preparing zirconium metal filaments
03/05/2014CN103611756A Preparation device of threaded metal wire
03/05/2014CN103611755A Preparation method for complex-phase metallic oxide enhanced silver-based electrical contact wire
02/2014
02/27/2014US20140053623 Hot extrusion method for producing a metal part, extrusion tool for implementation it and landing gear rod thus produced
02/26/2014CN203448439U On-line waste wire winding device for welded pipe production
02/26/2014CN203448431U Stainless steel spiral wind pipe machine
02/26/2014CN103608132A Method for producing slit hollow profiles
02/26/2014CN103604014A Reducing pipe fitting and manufacturing method thereof
02/26/2014CN103599959A Processing method of corrugated pipe
02/26/2014CN103599958A Abrasion-resistant pipe as well as manufacturing method thereof
02/26/2014CN103599957A Extruding molding method of austenitic stainless steel seamless pipe for hydrogenation cracking furnace
02/26/2014CN102581059B Hydrostatic pressure expanding composite technology for bimetal composite pipe
02/25/2014CA2490700C Oil country tubular goods excellent in collapse characteristics after expansion and method of production thereof
02/24/2014CA2823202A1 Ventilation ducting arrangement
02/20/2014WO2014027565A1 Welding device for electric resistance welded pipe
02/20/2014WO2014027564A1 Welding device for electric resistance welded pipe
02/20/2014US20140047888 Sheet forming of metallic glass by rapid capacitor discharge
02/20/2014US20140047696 Tower production method
02/20/2014DE102013216123A1 Mit Abzweigungsröhre versehene Röhre, Stoßdämpfer, und Herstellungsverfahren hierfür Provided with Abzweigungsröhre tube shock absorbers, and manufacturing method thereof
02/19/2014EP2698215A1 Method for manufacturing high temperature steam pipes
02/19/2014CN203437448U Sizing device for high-speed motor
02/19/2014CN203437447U Automatic aluminum plate corner forming machine
02/19/2014CN103589921A Technology for producing aluminum alloy section bar for containers
02/19/2014CN103586306A Processing technology for three-way pipe joint
02/19/2014CN103586305A Plate expanding machine for magnesium pipe
02/19/2014CN103586304A Preparation method for magnesium aluminum composite board
02/18/2014US8653400 High strength welded steel tube superior in hydrogen embrittlement cracking resistance of weld metal and method of production of same
02/18/2014US8650920 Method and device for surface peening of a component in the region of a passage opening
02/13/2014WO2014023452A1 Method and device for separating wound tubes having welded parts
02/13/2014US20140041227 Heat Exchanger Tube, Heat Exchanger Tube Assembly, And Methods Of Making The Same
02/13/2014US20140041196 Method for manufacturing aluminum roof molding using porous oxide layer
02/13/2014DE102006029378B4 Flachrohr für Wärmetauscher und Herstellungsverfahren A flat tube for the heat exchanger and manufacturing method
02/12/2014CN203426223U Corrugated plate molding machine set
02/12/2014CN103567254A Processing method for antiwear shaft sleeve pipe
02/12/2014CN103567253A Large diameter copper pipe production process
02/12/2014CN103567252A Thick-wall copper pipe production process
02/12/2014CN103567251A Novel planetary pipe rolling machine
02/12/2014CN103567250A Cold-drawing thread steel production line
02/12/2014CN102553963B Method for processing reducing corrugated pipe
02/05/2014EP2692476A1 Method for producing laser-welded steel tube
02/05/2014CN103551420A Large box structure dismounting device and operation method
02/05/2014CN103551419A Processing method of asymmetric pipe fitting by using transition state die
02/05/2014CN103551418A Production process of pre-stressed indented steel wire for railroad sleeper
02/05/2014CN103551417A Preparation method for steel fiber copper-covered steel wire
02/04/2014US8644006 Composite cathode foils and solid electrolytic capacitors comprising the same
01/2014
01/30/2014WO2014017944A1 Method for the cold deformation of a continuous metal strip
01/29/2014EP2688709A1 Tool, machine and method for calibrating bushings
01/29/2014CN203409018U Profile forming machine
01/29/2014CN103540957A Energy-saving preparation process for smelting recycled copper rod by copper-zinc alloy wastes
01/29/2014CN103540867A X80-level straight seam submerged-arc welded pipe with hydrogen sulfide stress corrosion resistance as well as manufacturing method thereof
01/29/2014CN103537510A Processing method of copper tube for high-precision magnetically-controlled anode cylinder
01/29/2014CN103537509A Large-sized multi-nozzle pipe hot extrusion forming process formulation and mold design method
01/29/2014CN102430610B Preparation method for molybdenum alloy wires doped with nanometer rare earth oxides
01/28/2014CA2657518C Hot bend pipe and a process for its manufacture
01/23/2014WO2014015135A1 Structural tube and method
01/23/2014WO2014013126A1 A method and an apparatus to rotate and move tube in its production process
01/22/2014CN103534060A Tool, machine and method for calibrating bushings
01/22/2014CN103531384A Continuous large deformation processing method for AgMeO electrical contact material ultrathin strip
01/22/2014CN103521550A Manufacturing method of X90 grade pipeline steel large-opening-diameter thick-wall longitudinal submerged-arc welded pipe
01/22/2014CN103521549A Manufacturing method of X100 high-steel-grade large-opening-diameter thick-wall longitudinal submerged-arc welded pipe
01/22/2014CN103521548A Method for manufacturing martensitic steel tube
01/22/2014CN102553960B Preparation method for tin-bismuth series alloy temperature fuse material with high plasticity
01/16/2014WO2014010150A1 Thick-walled high-strength sour-resistant line pipe and method for producing same
01/16/2014US20140014242 Ti-Mo ALLOY AND METHOD FOR PRODUCING THE SAME
01/15/2014CN203389988U Device for processing round pipe into elliptical pipe
01/15/2014CN203389987U Forming device for irregular tube of elliptical tube
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