| Patents for B21C 26 - Rams or plungers for metal extruding; Discs therefor (361) |
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| 06/02/2010 | CN101239361B Manufacturing and processing method of D-type copper pipe |
| 05/26/2010 | CN201482818U Extrusion die used for manufacturing aluminium drill pipe of internal upset and thickening protector |
| 05/26/2010 | CN201482814U Copper-clad aluminum bus trough isothermal extrusion die |
| 05/19/2010 | CN101326021B Stem slide device |
| 04/21/2010 | CN201439110U Hexagon domed cap nut front pass-out device |
| 02/04/2010 | US20100024509 Stem slide device |
| 01/07/2010 | WO2010000233A1 Method for the production of pipe material |
| 12/23/2009 | CN100571916C Extrusion process and cold extruder for extruding rod material into pipe |
| 12/02/2009 | CN101590493A Method for preparing equal-channel reciprocating extrusion magnesium alloy with back pressure and extrusion die thereof |
| 11/18/2009 | CN101579803A Manufacturing technology of braking cone |
| 10/21/2009 | CN201329375Y Extrusion pad for steel pipe heat extruder |
| 10/14/2009 | CN201324762Y Punching-extrusion rounding device for processing automobile guide sleeves |
| 10/07/2009 | CN101549363A Slip-type squeegee roller |
| 09/23/2009 | CN101537438A Hot impact extrusion process and device for large annular barrel type forged piece |
| 09/02/2009 | CN101522328A Stem slide device |
| 08/26/2009 | CN101513649A Method for producing variable diameter magnesium alloy pipe |
| 08/19/2009 | CN100528391C Hot extrusion steel tube blank tail pad warming and transporting unit |
| 08/12/2009 | CN201287151Y Forward and backward extrusion device |
| 08/12/2009 | CN100525944C Transport unit of the steel tube blank tail pad between the heating furnace and the extrusion pressing barrel |
| 07/15/2009 | CN201271673Y Combined fixed extrusion pad |
| 05/27/2009 | CN101439364A Technique for extruding and forming hub forgeable piece splined hole and mold thereof special for extruding hole |
| 03/25/2009 | CN101391269A Broad-width extrusion device and technique thereof |
| 03/18/2009 | CN101387083A Driving rope terminal making technique |
| 03/18/2009 | CN100469472C Semi-solid multi-blank extruding process and apparatus for forming double-layer composite pipe |
| 02/11/2009 | CN101362164A Novel combination type fixation extrusion pad |
| 02/04/2009 | CN201189527Y Semi-axis sleeve extrusion die |
| 02/04/2009 | CN100457308C Roll type cold pressing processing method and device for vehicle driving axle housing |
| 01/14/2009 | CN101342547A Automatized continuous processing equipment for T shaped corner extrusion press and its processing method |
| 12/17/2008 | CN101326021A Stem slide device |
| 12/17/2008 | CN100443208C Method for extruding and stretching short pipe to long pipe and its cold extrusion device |
| 12/10/2008 | CN201161258Y Retraction fixture for traction node for radial steering frame of linear electric motor |
| 12/03/2008 | CN100438999C Manufacturing process for rheologic extrusion molding of sacrificial magnesium anode and device thereof |
| 11/19/2008 | CN201150955Y Mould set of single-acting extruder |
| 11/12/2008 | CN100431730C Continuous deformation magnesium alloy extruding method |
| 09/24/2008 | CN201120419Y Transport unit of the steel tube blank tail pad between the heating furnace and the extrusion pressing barrel |
| 09/24/2008 | CN201120418Y Hot extrusion steel tube blank trail pad |
| 09/04/2008 | US20080209972 Radioactive substance container, manufacturing apparatus thereof and manufacturing method thereof |
| 08/20/2008 | CN201102036Y Square flange spindle nose workblank hot extrusion shaping mold |
| 08/13/2008 | CN101239492A Method for processing forming mould |
| 08/13/2008 | CN101239361A Manufacturing and processing method of D-type copper pipe |
| 07/23/2008 | CN201088982Y Reciprocating extrusion device for preparing ultra-fine crystal material |
| 05/28/2008 | CN101185946A Roll type cold pressing processing method and device for vehicle driving axle housing |
| 05/21/2008 | CN201061806Y Extruding wheel |
| 05/14/2008 | CN101176889A Method for processing titanium-cuprum metallic composite material |
| 05/02/2008 | WO2008050523A1 Stem slide device |
| 03/05/2008 | CN101134215A Hot extrusion steel tube blank tail pad warming and transporting unit |
| 03/05/2008 | CN101134214A Transport unit of the steel tube blank tail pad between the heating furnace and the extrusion pressing barrel |
| 03/05/2008 | CN101134213A Hot extrusion steel tube blank trail pad |
| 01/31/2008 | US20080022746 Method of Manufacturing Containers |
| 01/23/2008 | CN201008898Y Heat extruder |
| 12/26/2007 | CN101091969A Fabricating method for molding hollow parts |
| 10/31/2007 | CN200967065Y Cold extruding device for extruding the short pipe to form a long pipe |
| 10/31/2007 | CN200967064Y Cold extruding device for forming tube by using solid core bar material |
| 10/31/2007 | CN101062511A Roller type cavity die extrusion molding method |
| 10/24/2007 | CN200963642Y Cold extrusion device for extruding round pipe to pipe-shape component |
| 08/22/2007 | CN101020201A Semi-solid multi-blank extruding process and apparatus for forming double-layer composite pipe |
| 08/08/2007 | CN101011712A Manufacturing process for rheologic extrusion molding of sacrificial magnesium anode and device thereof |
| 08/01/2007 | CN2928289Y Fixing extruding pad for double moving extruder pass through needle |
| 08/01/2007 | CN1329136C Method for processing roller drift punch mould cavity by utilizing cold extrusion technique |
| 07/18/2007 | CN2923081Y Front feeding short stroke double-action aluminium extruder |
| 07/04/2007 | CN2917849Y Oil drill pipe joint die |
| 06/27/2007 | CN1986096A Extrusion process and cold extruder for extruding rod material into pipe |
| 06/21/2007 | WO2007069708A1 Stem slide device |
| 06/06/2007 | CN1974045A Continuous deformation magnesium alloy extruding method |
| 06/06/2007 | CN1974044A Continuous rotary deformation magnesium alloy extruder |
| 05/23/2007 | CN1966169A Method for extruding and stretching short pipe to long pipe and its cold extrusion device |
| 04/19/2007 | WO2004097057A3 Superdeformable/high strength metal alloys |
| 04/11/2007 | CN1943892A Continuous extruding method with pre-moulding and special device |
| 04/04/2007 | CN2885442Y Axle sleeve extruding die |
| 03/07/2007 | CN1302867C U-shape isochannel repeated extruding apparatus for preparing ultrafine crystal material |
| 02/14/2007 | CN2868483Y Tool for repairing workpiece surface damage |
| 01/10/2007 | CN1293956C Expanding ring type fixed extrusion pad for aluminium extrusion machine |
| 11/22/2006 | EP1390164B1 Arrangement for releasably connecting a dummy block to a press stem of an extrusion press |
| 10/25/2006 | CN1850425A Penknife spiral knife production method and its complete mould |
| 07/26/2006 | CN1806956A Internally cooled punch |
| 07/12/2006 | CN1799720A Method for eliminating bottom through-hole burr of processed deep cylindrical work pieces and dedicated male die therefor |
| 05/10/2006 | CN1768975A Method for processing roller drift punch mould cavity by utilizing cold extrusion technique |
| 04/19/2006 | CN1759946A Solid phase forming method for waste of magnesium alloy |
| 02/15/2006 | CN2757955Y Expanding ring type fixed extrusion pad for aluminium extruder |
| 08/04/2005 | DE10036463B4 Pressscheibe und Pressvorrichtung Dummy block and pressing device |
| 07/20/2005 | CN2710783Y Toothed wheel spherical surface rolling depression head |
| 04/20/2005 | CN2693366Y Pecker automatic turning mechanism |
| 03/23/2005 | CN1597164A Expanding ring type fixed extrusion pad for aluminium extrusion machine |
| 12/07/2004 | US6826942 Apparatus and method for extrusion of material |
| 11/25/2004 | US20040231391 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 11/11/2004 | WO2004097057A2 Superdeformable/high strength metal alloys |
| 11/11/2004 | WO2004096460A1 A punch for extrusion processes and a product produced by use of such punch |
| 11/04/2004 | US20040219050 Aluminum matrix combined with copper, magnesium, chromium, titanium, iron, lithium, nickel, vanadium, silicon, manganese and/or zinc; cold pressing or rapidly heating powders then rapidly heating and pressurizing preform; large parts, complex shapes; billets |
| 05/26/2004 | CN2617488Y Ironing tool |
| 05/18/2004 | CA2085086C Vacuum extrusion press assembly for metals |
| 04/21/2004 | EP1409171A2 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 04/15/2004 | DE10232608B4 Verfahren zum Strangpressen eines Profils od. dgl. Stranges aus einem Bolzen oder Barren sowie Vorrichtung dafür A process for extruding a profile od. The like. Strand of a bolt or billet, as well as apparatus therefor |
| 02/25/2004 | EP1390164A1 Arrangement for releasably connecting a dummy block to a press stem of an extrusion press |
| 12/04/2003 | WO2003099480A1 Dummy block for an extrusion press |
| 11/27/2003 | WO2003006188A3 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 04/17/2003 | US20030070467 Apparatus and method for extrusion of material |
| 03/26/2003 | EP1294500A1 Apparatus and method for extrusion of material |
| 01/23/2003 | WO2003006189A1 Device for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 01/23/2003 | WO2003006188A2 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |
| 01/23/2003 | CA2453258A1 Method for extruding a profile or a similar billet from a bolt or bar and corresponding device |