| Patents for B21C 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing (5,150) |
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| 03/18/2009 | CN101386033A Three-path reducing vertical drawbench and cold rolling ribbed bar one-time three-path reducing technique |
| 03/18/2009 | CN100469517C Method for preparing copper and nickel alloy seamless copper tube |
| 03/11/2009 | EP2034036A2 Wire rod having excellent wire drawability and its production method |
| 03/11/2009 | CN201207307Y Tension device on lead laying frame |
| 03/11/2009 | CN101380647A Multi-edge multi-groove copper pipe drawing method |
| 03/11/2009 | CN101380646A Pipes processing method |
| 03/11/2009 | CN101380645A Wire passing method of wire drawing bench |
| 03/11/2009 | CN100467645C Magnesium base alloy wire and method for production thereof |
| 03/05/2009 | US20090060777 Ti Alloy, Ti Alloy Member and Method of Manufacturing the Same |
| 03/04/2009 | EP1536899B1 Method for manufacture of a metal shell, and a cup designed to serve as a blank |
| 03/04/2009 | CN201204097Y Down-lead apparatus |
| 03/04/2009 | CN201200997Y Device for pulling metal linear material |
| 03/04/2009 | CN201200996Y Knot-prevention device for drawing fiber and releasing line |
| 03/04/2009 | CN201200957Y On-line film coating device for continuous drawing of metal lines without drying device |
| 03/04/2009 | CN100464941C A production method of a 8.8-grade fastener with high strength |
| 03/04/2009 | CN100464933C A production method of phi 0.1mm cored lead-free soldering wires |
| 02/25/2009 | EP2027947A1 Method for the production of alloy pipes for heat exchangers using precipitation hardening through underwater extrusion |
| 02/25/2009 | CN201198003Y Ultrasonic drawing system |
| 02/25/2009 | CN101372019A Machine for shrinking one of the parts of tube |
| 02/25/2009 | CN100464000C Austenite cold-forged stainless-steel and steel wire making method |
| 02/25/2009 | CN100463999C Stainless steel wire for spoke use and producing method thereof |
| 02/19/2009 | WO2009022547A1 Plug for cold drawing and production method of metal pipe |
| 02/18/2009 | CN201195169Y Automatic feeding apparatus |
| 02/17/2009 | US7490396 Method of making metal wire with filaments for biomedical applications |
| 02/11/2009 | CN201192704Y Composite inclined plane clamping apparatus |
| 02/11/2009 | CN101364459A Copper coated aluminum bus bank production method and apparatus |
| 02/11/2009 | CN100460138C Integrated forging method of flange type step thin wall long sheath forging |
| 02/11/2009 | CN100460100C Cold-finished seamless steel pipe |
| 02/05/2009 | US20090032151 Magnesium base alloy pipes and method of manufacturing the same |
| 02/04/2009 | CN201191538Y Bonded wire production equipment for semiconductor package |
| 02/04/2009 | CN201189525Y Multi-level drawing horizontal position type metal drawing device |
| 02/04/2009 | CN101358303A Electrical cable wire rod preparation method for cable wire of special type voice communication alloy |
| 02/03/2009 | US7485884 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 02/03/2009 | US7485829 Method of producing solid wire for welding |
| 01/29/2009 | WO2009014001A1 Process for production of duplex stainless steel tubes |
| 01/29/2009 | WO2009014000A1 Process for production of high alloy steel tubes |
| 01/28/2009 | CN100455687C Process of making zinc-base alloy wire and rod with high strength and high toughness |
| 01/27/2009 | CA2317432C Driver system for reducing the speed of or dragging metal strips |
| 01/22/2009 | DE102007034093A1 Verfahren zur Herstellung eines Drahtes aus Kupfer oder aus einer Kupferlegierung Process for the preparation of a wire from copper or from a copper alloy |
| 01/21/2009 | CN201183073Y Cold-drawing straight broaching machine feeder |
| 01/21/2009 | CN201183072Y Stainless steel tube hot expanded diameter pipe making machine |
| 01/21/2009 | CN201183071Y Drawbench |
| 01/21/2009 | CN101350286A Tunsten wire, cathode heater, and filament for vibration service lamp |
| 01/14/2009 | CN201179530Y Combined cone pulley of wiredrawing bench |
| 01/13/2009 | US7475706 Variable curvature tube and draw die therefor |
| 01/13/2009 | US7475462 Wire marker |
| 01/13/2009 | CA2441130C Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe |
| 01/07/2009 | CN201175761Y Steel-bar automatic diameter-contraction alignment cutting device |
| 01/07/2009 | CN201175723Y Hydraulic pressure cold drawn pipe device |
| 01/07/2009 | CN201175722Y Bidirectional continuous drawing device |
| 01/07/2009 | CN101341020A Method for producing wire for bead cord, bead cord and tire for vehicle |
| 01/07/2009 | CN100448560C Wiredrawing step pulley |
| 12/31/2008 | EP2008732A1 Cold finish seamless steel pipe for drive shaft and method for producing the same |
| 12/31/2008 | CN101333615A High performance aluminum-magnesium alloy wire and production process |
| 12/31/2008 | CN101332477A Manufacturing method of semiconductor silicon aluminum bonding lines |
| 12/31/2008 | CN100447276C High carbon steel wire material having excellent wire drawability and manufacturing process thereof |
| 12/31/2008 | CN100447275C High-strength invar alloy and its alloy wire rod production method |
| 12/31/2008 | CN100446882C Aluminum pipe having excellent surface quality, method and apparatus for manufacturing the aluminum pipe, and photosenstive drum base body |
| 12/30/2008 | CA2229693C Stainless steel for the production of steel cord, specifically tire reinforcing wire and process for producing the said wire |
| 12/24/2008 | CN201168633Y Knife shaft assembly of paper crusher |
| 12/24/2008 | CN101327880A Automatic paper-feeding apparatus of roller drawbench |
| 12/24/2008 | CN100445624C Method for preparing large-diameter white copper pipe |
| 12/24/2008 | CN100445022C Ternary structure compounding process of producing dumat wire |
| 12/18/2008 | DE102008011884A9 Elementardraht, Elektrischer Draht und Verfahren zur Erzeugung eines Elementardrahtes Elemental wire, electric wire and method for producing an elementary wire |
| 12/17/2008 | CN201164871Y Full floating tension drawing mill |
| 12/17/2008 | CN201164870Y Drawbench with protecting cover |
| 12/17/2008 | CN201164869Y High speed cold heading automatic drawbench |
| 12/17/2008 | CN101323081A Method for producing roller body of high precision compound guiding cloth guide roller |
| 12/17/2008 | CN101322985A Warm state drawing method for processing medical magnesium alloy fine-radial thin-wall pipes |
| 12/17/2008 | CN101322984A Non-sliding type wire drawing machine and wire-drawing control method thereof |
| 12/17/2008 | CN101322983A Locating guider of stainless steel take-up winder |
| 12/10/2008 | CN201161256Y Wire extending machine |
| 12/10/2008 | CN201161254Y Automatic baiting apparatus of copper-line cold drawing machine group |
| 12/10/2008 | CN201161253Y Technique head of cold drawing steel tube |
| 12/09/2008 | US7462853 Radioactive substance containment vessel, and radioactive substance containment vessel producing device and producing method |
| 12/03/2008 | CN201157853Y Automatic material receiving platform of cold drawing machine |
| 12/03/2008 | CN201157852Y Core rod lifting apparatus of cold drawing machine |
| 12/03/2008 | CN201157851Y Cold drawing machine |
| 12/03/2008 | CN201157850Y Novel metal stretching apparatus |
| 12/03/2008 | CN201157849Y Highly effective combined drawbench |
| 12/03/2008 | CN101315239A Aluminum-cladding copper capillary and production technology thereof |
| 12/03/2008 | CN101314169A Manufacturing process for aluminum alloy capillary tube |
| 12/03/2008 | CN100440080C Control system for multiple gate drawing device |
| 12/03/2008 | CN100439547C Metal fiber wire and its producing process |
| 12/02/2008 | US7458426 Embedding a steel pipe in an excavated well, excavating the underground on the front end of the embedded steel pipe to deepen the well, inserting a second steel pipe; expanding the second steel pipe radially by a tool inserted therein to increase the diameter, excavating, repeating |
| 11/26/2008 | EP1995375A1 Brass plated steel wire for rubber article reinforcement and process for producing the same |
| 11/26/2008 | CN101310917A Production method of Fe-Ni low-expansion alloy wire |
| 11/26/2008 | CN101310884A Manifold drawing technique and special-purpose equipment thereof |
| 11/26/2008 | CN100436620C Nickel aluminium alloy and preparation method thereof |
| 11/26/2008 | CN100436044C A sort of Fe-Ga magnetostriction alloy wire and preparation method |
| 11/19/2008 | CN201150953Y Electric adjusting mould core bar of cold-drawing machine |
| 11/19/2008 | CN201150952Y Three-wire stretcher discharging device |
| 11/19/2008 | CN201150951Y Three-wire stretcher charging device |
| 11/19/2008 | CN201150950Y Drawing cart of cold drawing machine |
| 11/19/2008 | CN201150949Y Three-wire stretcher |
| 11/19/2008 | CN201150948Y Copper tube hydraulic pressure continuous stretcher |
| 11/19/2008 | CN201150947Y C shaped plate type tension stretcher |
| 11/19/2008 | CN201150946Y Compound beam tension stretcher |
| 11/19/2008 | CN101307518A Metal fiber ply yarn and method for making same |
| 11/19/2008 | CN101306500A Novel production method of copper-aluminum-manganses-beryllium memory hyperelastic alloy |