Patents for B21D 17 - Forming single grooves in sheet metal or tubular or hollow articles (1,507)
01/2009
01/28/2009CN101352741A Rib rolling mill for cylandrical body
01/28/2009CN101352735A Method for leveling cathode sheet
01/28/2009CN100455371C Method for forming ridges in a shaft member
01/13/2009US7475583 Method for repairing metal pipe
12/2008
12/31/2008CN100446967C Method and device for manufacturing support body for run flat
12/24/2008CN101327562A Method for processing metallic rope pulley
12/17/2008CN201164877Y Filter notching machine
12/17/2008CN201164876Y Automatic roll groove apparatus
12/04/2008WO2007055864A3 Improved integrally bladed rotating turbo machinery and method and apparatus for achieving the same
11/2008
11/26/2008CN201154371Y Gearing of channeling machine
11/26/2008CN101312791A Cover member, method of producing one such member and dispenser comprising one such member
11/26/2008CN101312790A Cover member, method of producing one such member and dispenser comprising one such member
11/19/2008CN201150965Y Pipe expanding device of convex ring right trapezoid stainless steel tube
11/06/2008WO2008073147A3 An improved threaded fastener with retainer and method of making such fastener
10/2008
10/30/2008US20080264138 Bead forming unit for press
10/30/2008DE102007053537A1 Sickenformungseinheit für eine Presse Bellows-forming unit for a press
10/29/2008CN101294321A Elastic tube of spinning machine spindle support and method for manufacturing same
10/23/2008US20080260493 Bolt and thread rolling die and the manufacture of the bolt
10/09/2008WO2005015477A3 Circuit forming system and method
09/2008
09/25/2008US20080229803 Hollow rack manufacturing method and manufacturing apparatus
09/24/2008EP1972392A2 Hollow rack bar manufacturing method and apparatus for manufacturing a hollow rack bar
09/17/2008CN101264494A Roll grooving assembly
09/16/2008US7424817 Method of working recessed portion in headrest stay and press apparatus for working recessed portion in headrest stay
08/2008
08/28/2008US20080202185 Roller tool for forming grooves in pipes
08/28/2008US20080202182 Deformation of Thin Walled Bodies
08/27/2008EP1961503A1 Mandrel, set of mandrels, and hollow rack bar
08/27/2008CN101249540A Mandrel, set of mandrels, and hollow rack bar
08/20/2008EP1957204A1 Cover member, method of producing one such member and fluid product dispenser using one such member
08/20/2008CN201102044Y Metal tube end convex ring shaping tool
08/19/2008US7412866 Tubular articles with varying wall thickness and method of manufacturing same
08/19/2008CA2557965C Procedures and equipment for profiling and jointing of pipes
08/14/2008US20080191443 Twist Beam Axle with Integral Torsion Bar
08/13/2008EP1954405A1 Cover member, method of producing one such member and dispenser comprising one such member
08/07/2008US20080184767 Crimping apparatus and method
08/06/2008CN101234465A Ball valve core expansion method
08/05/2008CA2300744C Groove rolling of piping elements
07/2008
07/30/2008EP1843907A4 Twist beam axle with integral torsion bar
07/30/2008EP1812183B1 A process for the shaping of the surface of a metal container
07/23/2008EP1946865A1 Steering rack and method of manufacturing the same
07/16/2008CN101223021A Apparatus and method for forming annular grooves on the outer surface of a cable or tube
07/15/2008US7398665 Deformation of thin walled bodies
07/10/2008WO2008082915A1 Films, articles prepared therefrom, and methods of making the same
07/09/2008EP1650011B1 Device for manufacturing support body for run flat tires
07/08/2008US7395685 Deformation of thin walled bodies
07/08/2008CA2471336C Expandable borehole liner
07/01/2008US7392680 Rolling die and method for forming thread or worm and spline having small number of teeth by rolling simultaneously
06/2008
06/26/2008DE102006062208A1 Tube element deforming method for e.g. head restraint carrier, involves adjusting forming die and tube element against each other such that roller is pressed in element against roller and mantle-sided wall of tube element is discarded
06/05/2008US20080127704 Hollow stepped shaft and method of forming the same
06/04/2008EP1926583A1 Apparatus and method for forming annular grooves on the outer surface of a cable or tube
06/03/2008CA2314987C Rolling treatment of a workpiece
05/2008
05/15/2008WO2008057137A2 Surface treatment apparatus and method
05/15/2008DE102006018660B4 Einrichtung zur Festlegung des Anfangskraftniveaus beim Verformen von Hohlprofilen Means for determining the initial force levels during deformation of hollow sections
05/14/2008CN100387429C Method of working small recess portion, method of fabricating liquid ejection head and liquid ejection head
05/08/2008US20080104817 Spline Rolling Tool, and Process of Manufacturing Spline Rolling Tool
05/07/2008CN201055880Y Cutter for producing fluid bearing
05/06/2008US7367404 Tubing seal
04/2008
04/24/2008WO2008046499A1 Tool for working plate-like workpieces
04/23/2008EP1239980B1 Method of producing support pillars
04/08/2008CA2349890C Bordering and/or crease-closing machine and method for operating the same
04/02/2008CN100377803C Roll grooving apparatus
03/2008
03/27/2008US20080072654 Butt joining method
03/25/2008CA2560501C Procedures and equipment for profiling and jointing of pipes
01/2008
01/29/2008CA2356131C Downhole sealing for production tubing
01/24/2008DE102006034279A1 Rolling profiles on rotationally-symmetrical workpieces, employs rolling tool with grooving profile and additional transverse profiles producing bridging sections
01/22/2008CA2357707C Roll forming using turret punch press
01/16/2008CN101107141A Twist beam axle with integral torsion bar
01/16/2008CN101104190A Extending bulge machine for tube
01/16/2008CN101104183A Tube rolling press device
01/10/2008DE102006030661A1 Hard metallic profile rolling bar, rolling rod and/or roll cheek or circular rolling tool for cold rolling, comprise base body with mounting elements, and profile gear
01/08/2008US7316271 Deformable member
01/02/2008EP1872881A2 Method and device for embossing a drum cover
01/02/2008EP1872880A1 Method and device for embossing a drum cover
01/02/2008CN101096039A Pipe fittings notching-machine
12/2007
12/26/2007CN101091972A Three wheels self-centering rolling equipment in use for plain lathe
12/06/2007DE19614196B4 Verfahren und Vorrichtung zur Herstellung eines Rohres Method and apparatus for manufacturing a pipe
11/2007
11/29/2007DE10297647B4 Verfahren zum Ausbilden einer Rille und einer Keilnut für ein sich drehendes Blechglied mit Nabenteil A method of forming a groove and a keyway for a rotating plate member with hub part
11/29/2007DE102006025034A1 Process and assembly to cut elongated grooves in cylindrical workpieces forming part of an automotive clutch
11/29/2007DE10039706B4 Verfahren zum Einbringen einer Sicke und Drückwalzmaschine A method for introducing a bead and flow-forming machine
11/27/2007CA2368198C Pipe connector and method for production thereof
11/21/2007EP1857722A1 Metal pipe and method for manufacturing same
11/20/2007US7296451 Roller tool for forming grooves in pipes
11/15/2007DE102006022161A1 Production of micro-structured metal sheets and plates used in the production of mini reactors and micro heat exchangers comprises deforming the sheet metal surface incrementally by embossing by rolling in regions
11/07/2007CN101068632A Laser welded multi-layered steel gasket assembly
11/06/2007US7290318 Electromagnetic flanging and hemming apparatus and method
10/2007
10/31/2007DE102006018660A1 Device for determination of the initial force level in forming of hollow profiles, especially longitudinal runners of motor vehicles useful in motor vehicle production decreases tool costs
10/17/2007EP1843907A1 Twist beam axle with integral torsion bar
10/17/2007CN101056725A A process for the shaping of the surface of a metal container
10/11/2007US20070235163 Indented Tube for a Heat Exchanger
10/11/2007US20070234772 Surface treatment apparatus and method
10/10/2007CN200957499Y Seat-tube machinery of bicycle
09/2007
09/26/2007CN200951450Y Equipment for expanding thin wall metal tube convex ring
09/26/2007CN200951444Y Machine for channelling composite steel and plastic tube
09/26/2007CN101043957A Method of manufacturing bottle can and bottle can
09/25/2007US7273006 Method for embossing container walls
09/20/2007US20070216736 Fine forging method, manufacturing method of liquid ejection head, and liquid ejection head
09/20/2007US20070214858 Deformation of Thin Walled Bodies
09/19/2007CN200948477Y Hydraulic equipment of steel pipe interface channelling machine
09/04/2007US7263757 Electromagnetic trimming, flanging and hemming apparatus and method
08/2007
08/30/2007WO2007097321A1 Tube with grooves formed in inner surface thereof, method of producing the tube, and grooved plug
08/30/2007DE19856950B4 Vorrichtung und Verfahren zur Herstellung von Sickenblechen mit mehreren geschlossenen Sicken Device and method for the production of bead plates having a plurality of closed beads
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