Patents for B21C 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing (5,150)
11/2011
11/02/2011CN202021215U Tin alloy wire drawing machine with broken wire protection function
11/02/2011CN202021214U Wire-feed traction system of wet wire drawing machine
11/02/2011CN102232009A Manufacturing method for ultrathin seamless metal pipe utilizing floating plug
11/02/2011CN102230112A Method for improving mechanical properties of aluminum-titanium-carbon (Al-Ti-C) round wire rod alloy
11/02/2011CN102228911A Vertical deadbeat wire drawing equipment
11/02/2011CN101670389B Manufacturing process of cold-drawing seamless steel tube for vehicular compressed natural gas annular-wrapped gas cylinder
11/01/2011US8047036 Device and method for explosion forming
10/2011
10/27/2011US20110259848 Rolled Copper Foil or Electrolytic Copper Foil for Electronic Circuit, and Method of Forming Electronic Circuit Using Same
10/26/2011EP2380998A1 Method for producing high alloy steel pipe
10/26/2011EP2380672A2 Dies for shear drawing
10/26/2011CN202015754U Intermediate drawing pay-off device for steel cords
10/26/2011CN202015747U Segment die for automatic cold drawing machine for non-ferrous metal tubes
10/26/2011CN202015745U Improved winding drum of low-carbon steel wire drawing machine
10/26/2011CN202015744U Driven wheel of wire drawing machine
10/26/2011CN202015743U Finely sliding wire drawing machine
10/26/2011CN102226991A Copper palladium alloy monocrystal bonding wire and manufacturing method thereof
10/26/2011CN101755059B Process for production of duplex stainless steel tubes
10/26/2011CN101403119B Technique for producing high-strength steel stranded wire by 77MnA steel
10/26/2011CN101364459B Copper coated aluminum bus bank production method and apparatus
10/20/2011DE102010015389A1 Federdraht, Feder damit und Herstellungsverfahren dafür Spring wire, spring and thus production method thereof
10/19/2011EP2377627A1 A bimetallic tube, apparatus comprising such a tube and method of manufacturing an apparatus comprising a bimetallic tube
10/19/2011CN202010703U Wire drawing device of wire drawing machine
10/19/2011CN102222624A Preparation method of single crystal copper wire
10/19/2011CN102220511A Oxygen-free copper tube and machining method thereof
10/19/2011CN102218453A Drawing method and drawing machine for internal-threaded pipe
10/18/2011US8037599 Method for removing a cable core from a cable sheath
10/13/2011US20110250463 Aluminium oxide forming nickel based alloy
10/12/2011EP2374746A1 Detection method and system of at least one final end of a winding
10/12/2011EP2373436A1 System and method for manufacturing and classifying wire
10/12/2011CN202006223U Continuous drawing equipment for aluminum tubes
10/12/2011CN102215993A System and method for manufacturing and classifying wire
10/12/2011CN102211114A Method for producing wear-resistant steel wire roller
10/12/2011CN102211113A Process for producing variable diameter pipe
10/05/2011EP2371463A1 Manufacturing method for ultrathin seamless metal pipe utilizing floating plug
10/05/2011CN201997568U Anti-shiver device
10/05/2011CN201997554U Hollow aluminum spacing strip continuous forming equipment
10/05/2011CN201997553U Two-way pushing cold drawing machine
10/05/2011CN201997552U Wire drawing device for solder wire drawing machine
10/05/2011CN102205360A Pneumatic self-locking type automatic lifting take-up device for water-tank wire drawing machine
10/05/2011CN101927274B Production technology of hyperfine steel wire
10/05/2011CN101199970B Control system of dual frequency converting wire drawing machine
09/2011
09/29/2011US20110232352 Method of producing ultrathin-wall seamless metal tube using floating plug
09/28/2011EP2368648A1 Method for reforming rods, profiles and/or tubes with a pull force and a counteracting force
09/28/2011EP1712306B1 Cold-finished seamless steel pipe
09/28/2011CN201992005U 一种拉丝机用减速机 One kind of drawing machine reducer
09/28/2011CN201990250U 移料机 Move feeder
09/28/2011CN102202808A Carbon steel wire with high strength and excellent ductility and fatigue resistance, process for producing same, and method of evaluation
09/22/2011WO2011115166A1 Method for drawing metallic tube
09/21/2011EP1884296B1 Method of manufacturing ultrathin wall metallic tube by cold working method
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
09/21/2011CN201978957U 航空级无缝不锈钢管冷拔工艺模具 Aircraft-grade cold-drawn seamless stainless steel pipe mold process
09/21/2011CN201978956U 旋转摆臂供线装置 Rotating arm feeders
09/21/2011CN201978955U 冷拔机拔制小车返回装置 Drawing machine pull trolley system return means
09/21/2011CN201978954U 一种铜合金棒材液压拉伸装置 A copper alloy rod hydraulic stretching device
09/21/2011CN201978953U 一种下穿式大拉丝机 One kind of beneath big-drawing machine
09/21/2011CN201978952U 冷拔机拔制小车 Drawing machine pull trolley system
09/21/2011CN1975094B Steel pipe for burying and expansion and burying method of oil well steel pipe
09/21/2011CN102191412A Aluminum alloy tube of photoconductor drum, and production method and equipment thereof
09/21/2011CN102189379A Cold drawing method and die for special-shaped pipes
09/21/2011CN102189139A Cold-drawing inner mold regulating and positioning device for internal-thread seamless steel pipe
09/21/2011CN102189137A Hydraulic drive drawing mill
09/21/2011CN102189136A Wire feed and traction system of wet wire drawing machine
09/21/2011CN101707084B Manufacturing method for copper-magnesium alloy stranded wire
09/21/2011CN101148691B Steel/steel composite wire material and anneal manufacturing method thereof
09/20/2011US8020419 Hydroforming die adjustable for springback correction
09/15/2011DE102009035151A1 Method for manufacturing hollow base body of cam shaft in combustion engine of motor car, involves introducing recesses into lateral surface of base body, where recesses are distributed over lateral surface when viewed from cross-section
09/14/2011EP1412549B1 Bundle drawn stainless steel fibers
09/14/2011CN201969740U 直进式拉丝机压线辊 Straight line drawing machine press roll
09/14/2011CN102186609A Device for drawing tubular workpiece
09/14/2011CN102179417A Superspeed wire rod extension processing equipment control system
09/14/2011CN102179416A Wire-pressing roller for straight advancing type wire drawing machine
09/14/2011CN101702351B Method for hardening enamelled rectangular copper wire on line
09/14/2011CN101664766B Adjustable drawbench
09/14/2011CN101327880B Automatic paper-feeding apparatus of roller drawbench
09/08/2011US20110214774 Aluminum tube and method for manufacturing same
09/07/2011CN102174671A Thermal treatment production line of high-strength stirrup
09/07/2011CN102172995A Metal composite wire and preparation method thereof
09/07/2011CN102172818A Method for processing rectangular round hole conductor copper pipe of double-water internal cooling generator
09/07/2011CN102172663A Production technology and equipment for composite steel tubes
09/07/2011CN102172655A Steel pipe online head manufacturing device
09/07/2011CN102172654A Drawing process for gas-protection welding wire
09/07/2011CN102172653A Production process of metal microfilament for weaving
09/07/2011CN102172652A Broken wire detection mechanism for direct feed-type drawing machine
09/07/2011CN101704029B Crawler type drawing machine
09/07/2011CN101704028B Online annealing triple successive drawing technology of copper alloy condenser pipe in power plant
08/2011
08/31/2011CN201950082U 一种黄铜冷凝管连续拉伸设备 Brass condenser continuous stretching device
08/31/2011CN102166693A Antirust method for cold drawing production of high-strength alloy welding wire
08/31/2011CN102166586A Finish draw technology of alloy welding wire
08/31/2011CN102166585A Preparation process of multi-strand cutting steel wire
08/31/2011CN102166584A Technology of preparing special-shaped cutting steel wire
08/31/2011CN101653792B Processing method of molybdenum and molybdenum alloy narrowband
08/25/2011US20110206552 Carbon steel wire with high strength and excellent ductility and fatigue resistance, process for producing the same, and method of evaluating the same
08/24/2011CN201940432U 长号拔管机 Trombone pulling machines
08/24/2011CN201940431U 一种改良的拉丝机 An improved wire drawing machine
08/24/2011CN201940430U 一种微拉机 A micro drawing machine
08/24/2011CN102161056A Reciprocating mechanism of drawing trolleys on drawing machine
08/24/2011CN102161055A Improved reel of low-carbon steel wire drawing machine
08/17/2011EP1491645B1 Magnesium base alloy tube and method for manufacture thereof
08/17/2011CN102152069A Method for producing steel sectional material of air valve
08/17/2011CN102151707A Double-drum type wire-collecting winding drum for straight line wire drawing machine
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