| Patents for B21C 3 - Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing (1,992) |
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| 05/02/2007 | EP1778419A1 Method for manufacturing extrusion die tools |
| 04/26/2007 | US20070090538 Wire drawing die |
| 04/25/2007 | CN2892358Y Wire drawing mould assembling and disassembling machine |
| 04/11/2007 | CN1309494C Material for diamond sintered body die and diamond sintered body die |
| 04/04/2007 | CN1308465C Method for processing billets out of metals and alloys and article |
| 03/22/2007 | US20070062241 Unitary rear axle housing and method for manufacturing same |
| 03/21/2007 | CN1305638C Method for manufacturing seamed flux-cored welding wire |
| 03/15/2007 | WO2007028410A1 Forming tool |
| 02/28/2007 | CN1919526A Methods for manufacturing flux cored wire for welding stainless steel and products thereof |
| 02/28/2007 | CN1919488A Expanding apparatus for hydraulic pressure cold drawing machine |
| 01/16/2007 | US7162902 Method for drawing brass-plated steel wire |
| 01/11/2007 | DE102005031437A1 Method for producing strip profiles by pulling through dies with pivot mounted adjustable outer sections |
| 12/27/2006 | CN2850738Y Sealed water-casting device for wire drawing machine |
| 12/19/2006 | US7150169 Lubricant-supplying apparatus for dry-lubricated aluminum-clad wire drawing, and method of supplying lubricants |
| 12/13/2006 | CN1876265A Device and method for forming inner rib or ribbed pipe |
| 12/07/2006 | WO2006128476A1 Device for forming tubular electroconductive and/or magnetisable goods, comprising a means for conducting an electric current |
| 12/06/2006 | CN1287922C Method for manufacturing seamless tubes and seamless tubes manufactured with same |
| 11/29/2006 | EP1726673A1 Tool for coldforming operations with improved performance |
| 11/29/2006 | EP1726672A1 Tool for coldforming operations with improved performance |
| 11/22/2006 | CN2839717Y Bearing for wire drawing |
| 11/22/2006 | CN1285425C High-precision pre-stressed composite mold for cold drawn steel pipe |
| 11/07/2006 | US7131314 Material for diamond sintered body die and diamond sintered body die |
| 10/18/2006 | CN2827573Y Micropore wire drawing die down punch |
| 10/18/2006 | CN2827572Y Equipment for elbow hot working |
| 09/27/2006 | CN1836795A Coating apparatus |
| 09/26/2006 | US7111485 Flashing bender |
| 09/14/2006 | US20060201223 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 09/06/2006 | CN1273232C Method for producing modified half-hollow section of pure copper and manufacturing mold therefor |
| 08/23/2006 | CN1270856C Production and mould for machining spiral mould for ribbed steel bars |
| 08/10/2006 | US20060174669 Apparatus for rectifying round pipe and tubing |
| 08/02/2006 | EP1554062B1 Equipment for cold-drawing a metal wire |
| 08/02/2006 | CN2801313Y 锡合金拉丝机 Tin alloy wire drawing machine |
| 07/26/2006 | CN1809431A Apparatus for rectifing round pipe and tubing |
| 07/19/2006 | CN1803328A Hydraulic flexible method for producing cold-drawn pipe and apparatus |
| 07/12/2006 | CN1799721A Adjustable mold employing reverse extrusion and draw forming for raw copper tube of mould, reverse extrusion and draw forming method thereof |
| 07/12/2006 | CN1263563C High straightening suspension wire and producing method thereof |
| 06/28/2006 | CN1792486A Moving core blank and method for mfg. moving core by same blank thereof |
| 06/15/2006 | US20060123876 Final die for wire drawing machines |
| 06/07/2006 | CN2785743Y Forming die for draw bench |
| 06/07/2006 | CN1258408C Spray boom for hydraulic de-scaling facility |
| 05/24/2006 | CN2782249Y Four-pusher hydraulic, two-step propulsion tube maker |
| 05/24/2006 | CN1775397A Method for processing banana arc crystallizer copper tube with special cross section |
| 05/16/2006 | CA2527151A1 Stabilizer of drawing die and stabilizer unit of the same |
| 05/03/2006 | EP1651364A1 Apparatus for rectifing round pipe and tubing |
| 04/20/2006 | WO2004112978A8 Apparatus for rectifying round pipe and tubing |
| 04/04/2006 | US7021106 Apparatus and method for forming internally ribbed or rifled tubes |
| 03/30/2006 | DE10218586B4 Ziehwerkzeug mit elektrischen und mikromechanischen Funktionselementen und Verfahren zur Herstellung eines Werkstücks unter Verwendung dieses Ziehwerkzeuges Drawing tool with electrical and micro-mechanical functional elements and methods of preparing a workpiece using this drawing tool |
| 03/29/2006 | CN1247339C Cold-drawing steel tube core for aluminium foil |
| 03/15/2006 | EP1634658A1 Pulling mandrel |
| 03/09/2006 | US20060048561 Equipment for cold-drawing a metal wire |
| 03/08/2006 | EP1631152A2 Method and apparatus for manufacturing filters |
| 03/02/2006 | CA2576908A1 Method for manufacturing extrusion die tools |
| 02/15/2006 | CN1241691C Special mould production method of heavy caliber cold drawing seamless steel pipe |
| 02/01/2006 | CN1727088A Technique for accurate drawing precision seamless steel tube in high accuracy |
| 01/31/2006 | US6991186 Spray boom for a hydraulic descaling facility |
| 01/04/2006 | CN2749595Y Square tube core |
| 01/04/2006 | CN1234480C Method and apparatus for manufacturing reducing pipe |
| 11/30/2005 | CN1703288A Equipment for cold-drawing a metal wire |
| 11/16/2005 | EP1595610A1 Method for the continuous production of longitudinally seam welded metal tubes |
| 11/16/2005 | CN1695842A Method for designing die of cold-drawn steel tube with internal thread |
| 11/09/2005 | CN1692999A Device for the continuous production of longitudinally seam welded metal tubes |
| 11/03/2005 | WO2005102554A1 Machine for shrinking an exhaust volume |
| 11/02/2005 | CN1691993A Material for diamond sintered body die and diamond sintered body die |
| 10/20/2005 | US20050229667 Apparatus and method for forming internally ribbed or rifled tubes |
| 10/12/2005 | CN1222375C Method of forming cold diameter reducing roll for metal pipe and metal pipe formed by the method |
| 09/21/2005 | CN1669703A Hard alloy/cast steel composite drawing die and preparing process thereof |
| 09/14/2005 | CN2724871Y Cooling apparatus used for electric contact type continuous hot drawing mould |
| 08/25/2005 | WO2005077562A1 Method and apparatus for forming tapered steel pipe |
| 08/18/2005 | DE102004004109A1 Die for extrusion press has outer reinforcement operated by radial hydraulic pressure to alter die diameter |
| 08/10/2005 | CN1651161A Manufacturing method of diamond wire drawing mould |
| 07/27/2005 | CN2712490Y Wire drawing die holder set |
| 07/27/2005 | CN2712488Y Wire drawing bench for stainless steel spring wire |
| 07/20/2005 | EP1554062A1 Equipment for cold-drawing a metal wire |
| 07/07/2005 | US20050145002 Apparatus and method for the noncircular bending of tubes |
| 07/05/2005 | US6913074 Method of making an internal grooved tube |
| 06/30/2005 | WO2005058519A1 Wire drawing die |
| 06/15/2005 | CN1206052C Manufacturing method of composite type diamond wire drawing die blank and die blank |
| 06/07/2005 | US6901782 Method and apparatus for forming a modified a cross-section wire material |
| 05/19/2005 | US20050103074 Lubricant-supplying apparatus for dry-lubricated aluminum-clad wire drawing, and method of supplying lubricants |
| 05/18/2005 | CN2700013Y A cold drawing die for processing iron bar specified for construction |
| 05/03/2005 | US6886385 Method of continuous production of metal wires |
| 04/27/2005 | CN1608762A High-precision pre-stressed composite mold for cold drawn steel pipe |
| 04/14/2005 | US20050076897 Material for diamond sintered body die and diamond sintered body die |
| 04/06/2005 | EP1427550A4 Manufacture of metal tubes |
| 04/06/2005 | EP1331649B1 Method and apparatus for producing keystone type superconducting formed strand |
| 04/06/2005 | CN2690067Y Magnesium alloy wire drawing device |
| 03/29/2005 | US6871523 Method and apparatus for forming microchannels in a filament wire |
| 03/24/2005 | DE10339874A1 Bi-directional mandrel for drawing pipes has central plug with diverging and converging faces |
| 03/15/2005 | US6865918 Tube compressing roller die |
| 03/10/2005 | WO2005021176A1 Wire roll drawing device with rolls with different profiles |
| 03/09/2005 | CN1590009A Method for manufacturing seamed flux-cored welding wire |
| 03/09/2005 | CN1589987A Method of producing solid wire for welding |
| 03/03/2005 | US20050045699 Method of producing solid wire for welding |
| 03/03/2005 | US20050044687 Method for manufacturing seamed flux-cored welding wire |
| 03/03/2005 | DE10027703B4 Verfahren und Vorrichtung zum Umformen, insbesondere Fließpressen eines metallischen Werkstücks Method and apparatus for forming, in particular extrusion of a metallic workpiece |
| 03/02/2005 | EP1510266A1 Material for diamond sintered body die and diamond sintered body die |
| 02/22/2005 | CA2338262C Hydro compression tube forming die and method for making same |
| 02/16/2005 | EP1427549B1 Spray beam for a hydraulic descaling facility |
| 02/08/2005 | US6851293 Wire reduction device |
| 02/02/2005 | CN2675280Y Metal plastic composite pipe drawbench |