Patents for B21D 19 - Flanging or other edge treatment, e.g. of tubes (3,484)
08/2005
08/16/2005US6928732 Method of manufacturing piping having joining portion
08/11/2005WO2005072887A1 A method of forming a metal sheet blank
08/03/2005EP1558408A1 Process and production line for manufacturing ultrathin hot rolled strips based n the thin slab technique
08/03/2005CN2714195Y Total regulating type steel form angle rolling machine
07/2005
07/21/2005US20050155740 Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique
07/13/2005CN2709048Y Dredging pipe edge-curling device
07/12/2005CA2314416C Device for stretching and molding can bodies
06/2005
06/29/2005EP1547704A1 Rocker arm of sheet metal and its method of manufacturing
06/22/2005EP1543903A1 Tube end working device
06/22/2005EP1543895A1 Composite fabrication facility of steel tube and fabrication method of steel tube
06/22/2005CN1628919A Device for manufacturing fins for heat exchanger
06/21/2005US6907664 Method for manufacturing fuel inlet
06/15/2005CN1628002A Process and production line for manufacturing ultrathin hot rolled strips based on the thin slab technique
06/08/2005CN1625449A Metal sheet for building purposes, and method and apparatus for making such sheets
06/07/2005US6901784 Countersinking tool
06/02/2005US20050115301 Negative-angle press-working die
06/01/2005EP1535674A1 Negative-angle press-working die
06/01/2005CN1622863A Composite fabrication facility of steel tube and fabrication method of steel tube
06/01/2005CN1621176A Negative-angle press-working die
05/2005
05/31/2005US6898958 Tool and method for reorienting a hem flange
05/26/2005US20050113236 Process and apparatus for producing an ordered packing
05/25/2005DE202005004792U1 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
05/24/2005US6895796 Method and device for forming a corner bounded on three-sides from a flat, sheet material
05/19/2005US20050103079 Method and apparatus for forming flange corners
05/19/2005DE4408883B4 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
05/17/2005US6892561 Apparatus for strip processing
05/04/2005EP1527831A1 Bending machine for making a hem
04/2005
04/06/2005CN2690099Y Perfect circular chamfering device special for flexible pipe
03/2005
03/31/2005DE10341182A1 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
03/30/2005EP1518616A2 Sheet rolling machine for forming beads, edges and the like on metal sheets
03/23/2005CN1193840C Thin-wall tube downhole edge-curling machine
03/02/2005CN2681833Y Can making machine flanging tool
02/2005
02/23/2005CN2680368Y Automatic crimping machine for hexagon wire gauze with multiple gears
02/23/2005CN1190278C Tool and method for automatic roll folding
02/17/2005WO2004085106A3 Metal unit nesting machine
02/16/2005EP1506822A1 Method and apparatus for making an ordered packing
02/16/2005CN1579663A Method and apparatus for making an ordered packing
02/09/2005CN2677056Y Edge-curling machine for expanding pipe nail
02/09/2005CN1576073A Panel assembly and method for manufacturing the same
02/09/2005CN1575880A Method of producing a holding collar with progressive transition
02/02/2005CN1572388A Method for manufacturing cooling fin of heat exchanger and its die apparatus
02/01/2005US6849820 Preliminary assembly system and assembly method for vehicle body component parts
01/2005
01/27/2005US20050018937 Method of producing a holding collar with progressive transition
01/26/2005EP1500460A1 Method of forming a retaining collar with gradual transition
01/26/2005EP1121212A4 Method for manufacturing a one-piece torsional vibration damper retainer plate
01/26/2005CN1569356A Precise cold skew rolling forming method for rockbolt
01/13/2005US20050008820 Panel assembly and method for manufacturing the same
01/13/2005US20050006079 Heat exchanger and manufacturing method for the same
01/13/2005US20050005667 Cold-forged hitch receiver and method of making the same
01/13/2005DE202004017822U1 Tube holding device for flange pressing has two clamping jaws with a groove for the tube and a tensioning and removable pressure unit
01/12/2005CN1184028C Process and device for making air metal intlet of fan
01/05/2005EP1493509A1 Spin closing apparatus and method
01/05/2005EP1493507A1 Method and device for shaping a continuous metal belt
01/05/2005CN1561431A 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
01/05/2005CN1559718A Hexagon metal wire mesh plate automatic edge former having multiset tooth gear
01/05/2005CN1182935C Hollow product, fluid processing systemand joining method of hollow members
12/2004
12/29/2004CN1182359C Manufacturing process for container including heat exchange unit as integral part thereof
12/23/2004WO2004110668A1 Method of manufacturing disk member
12/23/2004WO2004110666A1 Method for connecting thin tube to heat transfer tube
12/22/2004CN2664806Y Bell shaped case edge curling device
12/14/2004CA2262777C Process for cold forming tube ends
12/01/2004CN1177659C Bordering and/or crease-closing machine and method for operating the same
11/2004
11/11/2004US20040222270 Method for manufacturing fuel inlet
11/10/2004CN1544176A Cylinder liner spinning and flanging processing method and special fixture thereof
11/03/2004EP1472023A1 Metal sheet for building purposes, and method and apparatus for making such sheets
11/02/2004US6810708 Sheet metal bending machine for forming cleats
10/2004
10/27/2004CN2650901Y Stainless steel cylinder beading apparatus
10/26/2004CA2288271C A method for improving the hemmability of age-hardenable aluminum sheet
10/21/2004US20040205966 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
10/20/2004CN1537686A Metal sheet bending unit, particulary for forming lips
10/07/2004WO2004085106A2 Metal unit nesting machine
10/06/2004CN1169636C Pressure processing metal mould device
09/2004
09/29/2004EP1461542A1 Work piece, metal push belt and method and processing tool for producing the same
09/23/2004US20040182126 Metal unit nesting machine
09/22/2004CN1167525C Method and mould set for manufacturing radiator ribs for heat exchange
09/16/2004DE10308521A1 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
09/08/2004CN2638879Y Internal support occlusion forming device of downpipe
09/01/2004EP1452249A2 Numeric control machine for the cold forming of sheet metal parts
09/01/2004CN2637796Y Hydraulic double-motion stretcher top oil cylinder
09/01/2004CN2637795Y Hydraulic double-motion stretcher lower oil cylinder
09/01/2004CN1525891A Device and method for hemming processing
08/2004
08/26/2004DE19530055B4 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
08/26/2004DE10254916B3 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
08/25/2004EP1320429B1 Method and device for forming a flange or a rim on an end of a steel pipe
08/18/2004CN1520946A Metal tube forming method
08/11/2004EP1445043A1 Device and method for hemming processing
08/10/2004US6772667 Self-centering trim punch
08/05/2004DE10302222A1 Pendulum roller folding head for motor vehicle production has head with roller mounted on axis and foot connected to head by spring coupling
08/03/2004US6769340 Self-centering trim punch
08/03/2004US6769164 Method and an apparatus for can making
07/2004
07/28/2004CN1159721C Method of press-working frame plate on which disk driving motor is arranged
07/22/2004US20040139779 Method for producing a rolled edge
07/15/2004DE202004007221U1 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
07/08/2004US20040128815 Tool kit and method for repairing a damage vehicle body member with a hem flange
06/2004
06/30/2004EP1433545A2 Metal sheet bending unit, particularly for forming lips
06/30/2004CN1507965A Thin-wall tube downhole edge-curling machine
06/29/2004US6755070 Cam-type press system
06/23/2004EP1165270B1 A jacket for a vessel, a vessel and a process of manufacturing the same
06/17/2004US20040112106 Method and device for forming a corner bounded on three-sides from a flat, sheet material
06/17/2004US20040111863 Folded-seam connection, method of producing it and device
1 ... 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35