Patents for B21D 21 - Combined processes according to methods covered by groups (343) |
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06/10/2009 | CN201253655Y Draw bending straightener |
06/03/2009 | EP2064509A1 Heat transfer surfaces with flanged apertures |
05/26/2009 | US7538298 Gas removing apparatus for heat pipe |
05/20/2009 | CN100488655C Forming device of forming machine for special pipe end |
04/23/2009 | US20090104501 Fuel Cell System for Generating Electric Power for a Vehicle Constructed of Modules |
02/04/2009 | CN100457312C Manufacturing process and end product of a wire-like rectangular section |
01/27/2009 | US7480992 Cooling plate and manufacturing method thereof, and sputtering target and manufacturing method thereof |
01/01/2009 | US20090000856 Process of endforming a tubular assembly |
12/23/2008 | US7467466 Method for sealing a heat pipe |
12/10/2008 | CN201161265Y Primary bending, correcting mechanism for hardware punch parts manufacture |
12/04/2008 | US20080295451 Blank for Spacer for Insulating Window Unit, Spacer for Insulating Window Unit, Insulating Window Unit and Method For Manufacturing a Spacer |
12/03/2008 | EP1996738A2 Production system of weldable and stainless tubular structures with high mechanical strength and product obtained therefrom |
11/19/2008 | CN101306446A Shaping device in a special pipe end shaper |
11/05/2008 | CN201143531Y Angle-bar manufacturing equipment |
10/08/2008 | CN100423864C Apparatus for processing U-shape metal pipe and processing method |
10/07/2008 | US7430803 Gas removing apparatus for removing non-condensate gas from a heat pipe and method for the same |
09/25/2008 | WO2008113180A1 Fluidic control system and method of manufacture |
09/25/2008 | CA2684583A1 Fluidic control system and method of manufacture |
08/20/2008 | CN100411766C Apparatus for processing pipeline fitting |
08/06/2008 | CN101234404A Method for producing metal pipe bend |
07/24/2008 | WO2008089291A2 Formation of a curl in a unitary closable container |
07/24/2008 | US20080172858 Mechanical system for processing workpieces |
07/17/2008 | US20080168818 Formation of a curl in a unitary closable container |
07/10/2008 | US20080163489 Method of forming a heater core connector |
07/09/2008 | CN101214609A Method for preparing motor vehicle nylon hose shaping mold |
07/09/2008 | CN101214514A Corner iron shaping method, corner iron manufacturing method and corner iron shaping equipment |
06/25/2008 | CN101204723A Method of, and apparatus for, manufacturing metallic bellows |
06/18/2008 | CN201073668Y Rolling circle curling machine |
06/11/2008 | CN100393441C Method for forming large scale ellipsoidal volute joint |
05/15/2008 | US20080110010 Slip resistant file folders |
04/24/2008 | WO2008046200A1 Ground spike |
04/24/2008 | CA2702109A1 Ground spike |
03/06/2008 | WO2008025131A1 Heat transfer surfaces with flanged apertures |
03/05/2008 | CN201030401Y Forming device of special pipe end forming machine |
02/28/2008 | CA2557422A1 Heat transfer surfaces with flanged apertures |
01/29/2008 | US7322091 Vibration isolating bushing and its manufacturing method |
11/07/2007 | CN101066713A Process and apparatus for producing bottle cap with pull ring and tear-off |
08/22/2007 | CN101020210A Fixed plate forming process |
08/22/2007 | CN101020209A Forming device of forming machine for special pipe end |
08/15/2007 | CN2933635Y Three-bended and three- straightening cold rolling strip drawing straightening machine |
08/15/2007 | CN2933634Y Cold rolling strip leveling withdrawal straightening machine |
08/15/2007 | CN101015893A Rustless steel container and its production method |
06/26/2007 | US7234595 Heat shrinkable cover for decorating a flower pot |
06/13/2007 | CN1978087A Apparatus for processing U-shape metal pipe and processing method |
06/07/2007 | WO2007063596A1 Method and apparatus for assembling carriage assembly |
02/08/2007 | DE102005038521A1 Vorrichtung und Verfahren zur Herstellung von Blechgebinden Device and method for the production of sheet metal containers |
01/31/2007 | CN1903472A Method for forming large scale ellipsoidal volute joint |
10/05/2006 | US20060218792 Co-extruded generating bank swaged tubing |
09/27/2006 | CN2820375Y Cold bending type steel forming unit |
08/24/2006 | US20060185168 Aluminum pipe and process for producing same |
06/28/2006 | CN2790620Y Band steel bending straightening machine |
06/28/2006 | CN1792491A Apparatus for processing pipeline fitting and processing method thereof |
05/17/2006 | CN2780377Y Multifunction levelling withdrowal straightening machine |
04/27/2006 | US20060086491 Heat exchanger and method of manufacturing the same |
03/08/2006 | CN1743092A Manufacturing process and end product of a wire-like rectangular section |
02/16/2006 | US20060032892 Uncoated cutting tool using brazed-in superhard blank |
02/15/2006 | CN2757961Y Bibending bicorrecting type continuous stretching bending straightening machine |
01/25/2006 | CN2753485Y Internal-external angle-protecting ring forming machine for steel coil package |
12/06/2005 | US6971256 Method and apparatus for incremental forming |
11/24/2005 | DE102004019698A1 Gewendeltes Rohrelement Coiled tubing element |
11/09/2005 | CN1693000A Roller group of bending and straightening machine for band steel and said straightening machine |
10/26/2005 | EP1588785A2 Helical tube element |
10/06/2005 | US20050217098 Device and process for producing rolled sections |
04/27/2005 | CN2695136Y Multifunctional stretching bibending bitrengthening device |
12/23/2004 | DE10325036A1 Verfahren und Vorrichtung zum Herstellen von Biegeprofilen Method and device for producing of bending profiles |
12/08/2004 | EP1484123A1 Method and apparatus for manufacturing a bent profile |
10/06/2004 | CN1533852A Method and device for sequentially forming processing |
09/30/2004 | US20040187545 Method and apparatus for incremental forming |
09/29/2004 | EP1462189A1 Method and apparatus for incremental forming |
08/25/2004 | CN1163324C Method and apparatus for cold-bending C-shaped telescopic combined curtain bar |
05/26/2004 | CN2617491Y Cold rolled steel sheet shaper |
03/31/2004 | CN2608179Y Twisted bar machine |
03/17/2004 | CN1142042C Forming process for T-shaped lift rail |
03/03/2004 | CN1140361C Method for making composite metal pipe |
02/25/2004 | CN2604254Y Edge flanging & press joining device for forming metal hollow tube |
09/24/2003 | EP1212155B1 Device and method for forming a recess in a workpiece |
09/24/2003 | CN1121914C Method for maochining rod body of anchor bolt and special equipment for machining spiral thread segment of rod body |
08/20/2003 | CN1118342C Method for producing metallic shell of electric connector and its finished product |
06/18/2003 | CN1424155A Special pipe cutting and notching tool |
03/25/2003 | US6536314 Device for continuous chipless separation of single identical rings from tubular workpieces |
11/20/2002 | CN2520961Y Automatic forming machine for bill board cabinet frame |
10/02/2002 | CN1371770A Technological method for working intermediate plate by cold upsetting extruding process |
06/12/2002 | EP1212155A1 Device and method for forming a recess in a workpiece |
06/12/2002 | CN1353021A Technology for manufacturing metallic shell of electric connector and its finished product |
02/06/2002 | CN2475486Y Roller-pressing shaping equipment with shearing device |
01/16/2002 | CN1330988A Technology for making composite metal pipe |
12/12/2001 | CN2464469Y Iron forging cold rolling equipment |
10/10/2001 | CN2452640Y Machine for increasing stress, aligning and cutting steel bar |
09/26/2001 | CN1314218A Forming process for T-shaped lift rail |
09/19/2001 | CN2448480Y Multi-function combined machine tool |
08/22/2001 | CN1309000A Method for machining rod body of anchor bolt and special equipment for machining spiral thread segment of rod body |
03/28/2001 | CN2424847Y Improved structure of polygon tank working device |
03/15/2001 | DE19940995A1 Vorrichtung zum Einbringen einer Vertiefung in ein Werkstück Device for introducing a recess in a workpiece |
03/08/2001 | WO2001015827A1 Device and method for forming a recess in a workpiece |
03/08/2001 | CA2381844A1 Device and method for forming a recess in a workpiece |
02/07/2001 | CN2417949Y Column type stainless-steel cold-bent section mill |
01/25/2001 | DE19946111C1 Ring separation device for tubular workpiece uses coupled cutting rollers around outside of workpiece each provided with cylindrical body having helical cutting edge and auxiliary thread |
11/15/2000 | CN1273150A Method and apparatus for cold-bending C-shaped telescopic combined curtain bar |
06/28/2000 | CN2384701Y Die cast machine |
04/25/2000 | US6053997 Aluminum, copper, silicon alloy with differential scanning calorimetry generated by the melting of a eutectic crystal and a second angled endothermic |