Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484) |
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08/16/2005 | US6928732 Method of manufacturing piping having joining portion |
08/11/2005 | WO2005072887A1 A method of forming a metal sheet blank |
08/03/2005 | EP1558408A1 Process and production line for manufacturing ultrathin hot rolled strips based n the thin slab technique |
08/03/2005 | CN2714195Y Total regulating type steel form angle rolling machine |
07/21/2005 | US20050155740 Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
07/13/2005 | CN2709048Y Dredging pipe edge-curling device |
07/12/2005 | CA2314416C Device for stretching and molding can bodies |
06/29/2005 | EP1547704A1 Rocker arm of sheet metal and its method of manufacturing |
06/22/2005 | EP1543903A1 Tube end working device |
06/22/2005 | EP1543895A1 Composite fabrication facility of steel tube and fabrication method of steel tube |
06/22/2005 | CN1628919A Device for manufacturing fins for heat exchanger |
06/21/2005 | US6907664 Method for manufacturing fuel inlet |
06/15/2005 | CN1628002A Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique |
06/08/2005 | CN1625449A Metal sheet for building purposes, and method and apparatus for making such sheets |
06/07/2005 | US6901784 Countersinking tool |
06/02/2005 | US20050115301 Negative-angle press-working die |
06/01/2005 | EP1535674A1 Negative-angle press-working die |
06/01/2005 | CN1622863A Composite fabrication facility of steel tube and fabrication method of steel tube |
06/01/2005 | CN1621176A Negative-angle press-working die |
05/31/2005 | US6898958 Tool and method for reorienting a hem flange |
05/26/2005 | US20050113236 Process and apparatus for producing an ordered packing |
05/25/2005 | DE202005004792U1 Folding tool for forming a metal plate into a step plate has lower and upper stamping parts with displaceable wedges on their surfaces to permit adjustment of the step height of the plate being formed |
05/24/2005 | US6895796 Method and device for forming a corner bounded on three-sides from a flat, sheet material |
05/19/2005 | US20050103079 Method and apparatus for forming flange corners |
05/19/2005 | DE4408883B4 Verfahren zur Erzeugung einer Verbindung zwischen einem Rohrende und einem Abschlußteil und Vorrichtung zur Durchführung des Verfahrens Method for producing a connection between a pipe end and a sealing member and a device for carrying out the method |
05/17/2005 | US6892561 Apparatus for strip processing |
05/04/2005 | EP1527831A1 Bending machine for making a hem |
04/06/2005 | CN2690099Y Perfect circular chamfering device special for flexible pipe |
03/31/2005 | DE10341182A1 A method for joining two metal plates of irregular shape has a roller to partly form a flange of the outer part and a press tool to finally clamp the perimeters |
03/30/2005 | EP1518616A2 Sheet rolling machine for forming beads, edges and the like on metal sheets |
03/23/2005 | CN1193840C Thin-wall tube downhole edge-curling machine |
03/02/2005 | CN2681833Y Can making machine flanging tool |
02/23/2005 | CN2680368Y Automatic crimping machine for hexagon wire gauze with multiple gears |
02/23/2005 | CN1190278C Tool and method for automatic roll folding |
02/17/2005 | WO2004085106A3 Metal unit nesting machine |
02/16/2005 | EP1506822A1 Method and apparatus for making an ordered packing |
02/16/2005 | CN1579663A Method and apparatus for making an ordered packing |
02/09/2005 | CN2677056Y Edge-curling machine for expanding pipe nail |
02/09/2005 | CN1576073A Panel assembly and method for manufacturing the same |
02/09/2005 | CN1575880A Method of producing a holding collar with progressive transition |
02/02/2005 | CN1572388A Method for manufacturing cooling fin of heat exchanger and its die apparatus |
02/01/2005 | US6849820 Preliminary assembly system and assembly method for vehicle body component parts |
01/27/2005 | US20050018937 Method of producing a holding collar with progressive transition |
01/26/2005 | EP1500460A1 Method of forming a retaining collar with gradual transition |
01/26/2005 | EP1121212A4 Method for manufacturing a one-piece torsional vibration damper retainer plate |
01/26/2005 | CN1569356A Precise cold skew rolling forming method for rockbolt |
01/13/2005 | US20050008820 Panel assembly and method for manufacturing the same |
01/13/2005 | US20050006079 Heat exchanger and manufacturing method for the same |
01/13/2005 | US20050005667 Cold-forged hitch receiver and method of making the same |
01/13/2005 | DE202004017822U1 Tube holding device for flange pressing has two clamping jaws with a groove for the tube and a tensioning and removable pressure unit |
01/12/2005 | CN1184028C Process and device for making air metal intlet of fan |
01/05/2005 | EP1493509A1 Spin closing apparatus and method |
01/05/2005 | EP1493507A1 Method and device for shaping a continuous metal belt |
01/05/2005 | CN1561431A Method of manufacturing turbine frame of VGS type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of VGS type turbo charger using the turbine frame and VGS type tur |
01/05/2005 | CN1559718A Hexagon metal wire mesh plate automatic edge former having multiset tooth gear |
01/05/2005 | CN1182935C Hollow product, fluid processing systemand joining method of hollow members |
12/29/2004 | CN1182359C Manufacturing process for container including heat exchange unit as integral part thereof |
12/23/2004 | WO2004110668A1 Method of manufacturing disk member |
12/23/2004 | WO2004110666A1 Method for connecting thin tube to heat transfer tube |
12/22/2004 | CN2664806Y Bell shaped case edge curling device |
12/14/2004 | CA2262777C Process for cold forming tube ends |
12/01/2004 | CN1177659C Bordering and/or crease-closing machine and method for operating the same |
11/11/2004 | US20040222270 Method for manufacturing fuel inlet |
11/10/2004 | CN1544176A Cylinder liner spinning and flanging processing method and special fixture thereof |
11/03/2004 | EP1472023A1 Metal sheet for building purposes, and method and apparatus for making such sheets |
11/02/2004 | US6810708 Sheet metal bending machine for forming cleats |
10/27/2004 | CN2650901Y Stainless steel cylinder beading apparatus |
10/26/2004 | CA2288271C A method for improving the hemmability of age-hardenable aluminum sheet |
10/21/2004 | US20040205966 Method of manufacturing turbine frame of vgs type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of vgs type turbo charger using the turbine frame and vgs type turbo charger incorporating the exhaust gas guide assembly |
10/20/2004 | CN1537686A Metal sheet bending unit, particulary for forming lips |
10/07/2004 | WO2004085106A2 Metal unit nesting machine |
10/06/2004 | CN1169636C Pressure processing metal mould device |
09/29/2004 | EP1461542A1 Work piece, metal push belt and method and processing tool for producing the same |
09/23/2004 | US20040182126 Metal unit nesting machine |
09/22/2004 | CN1167525C Method and mould set for manufacturing radiator ribs for heat exchange |
09/16/2004 | DE10308521A1 Edge processing apparatus for metal sheets used in vehicle industry, has heat-resistant fixing device for clamping metal sheet with respect to rotating bearing surface of base, and heat-conductive processing tool for processing sheet edges |
09/08/2004 | CN2638879Y Internal support occlusion forming device of downpipe |
09/01/2004 | EP1452249A2 Numeric control machine for the cold forming of sheet metal parts |
09/01/2004 | CN2637796Y Hydraulic double-motion stretcher top oil cylinder |
09/01/2004 | CN2637795Y Hydraulic double-motion stretcher lower oil cylinder |
09/01/2004 | CN1525891A Device and method for hemming processing |
08/26/2004 | DE19530055B4 Verfahren zum Herstellen von doppelwandigen Durchbrechungen in Bauteilen nach dem Innenhochdruck-Umformverfahren A process for producing double-walled openings in building components according to the internal high-pressure forming process |
08/26/2004 | DE10254916B3 Fold flanging machine for edging and flange-jointing ventilation tubes has at least two control cylinders and at least two guide arms acting with them |
08/25/2004 | EP1320429B1 Method and device for forming a flange or a rim on an end of a steel pipe |
08/18/2004 | CN1520946A Metal tube forming method |
08/11/2004 | EP1445043A1 Device and method for hemming processing |
08/10/2004 | US6772667 Self-centering trim punch |
08/05/2004 | DE10302222A1 Pendulum roller folding head for motor vehicle production has head with roller mounted on axis and foot connected to head by spring coupling |
08/03/2004 | US6769340 Self-centering trim punch |
08/03/2004 | US6769164 Method and an apparatus for can making |
07/28/2004 | CN1159721C Method of press-working frame plate on which disk driving motor is arranged |
07/22/2004 | US20040139779 Method for producing a rolled edge |
07/15/2004 | DE202004007221U1 Roll heading for handling metallic workpieces, has main part which forms an angle of incidence with holder as holder rotates, and supporting part which forms angle of incidence with holder to rework edge of workpiece |
07/08/2004 | US20040128815 Tool kit and method for repairing a damage vehicle body member with a hem flange |
06/30/2004 | EP1433545A2 Metal sheet bending unit, particularly for forming lips |
06/30/2004 | CN1507965A Thin-wall tube downhole edge-curling machine |
06/29/2004 | US6755070 Cam-type press system |
06/23/2004 | EP1165270B1 A jacket for a vessel, a vessel and a process of manufacturing the same |
06/17/2004 | US20040112106 Method and device for forming a corner bounded on three-sides from a flat, sheet material |
06/17/2004 | US20040111863 Folded-seam connection, method of producing it and device |