Patents for B21D 17 - Forming single grooves in sheet metal or tubular or hollow articles (1,507)
03/1998
03/10/1998US5724844 Inner grooved tube forming apparatus
02/1998
02/12/1998WO1998005878A1 Bearing shell with retaining cam and method for production thereof
02/12/1998WO1998005444A1 Device for manufacturing a groove bearing
02/12/1998DE19631663A1 Lagerschale mit Haltenocken und Verfahren zu seiner Herstellung Bearing shell with cam lock and method for its manufacture
02/10/1998US5715981 Rails for car roofs
01/1998
01/27/1998US5711177 Method for corrugating a metallic pipe
01/20/1998US5709118 Press apparatus for forming gear teeth
11/1997
11/26/1997EP0808675A1 Process and forming tool for creating a link to a hollow corpus
11/04/1997US5682782 Workpiece-deforming tool and die for use in a punch press
10/1997
10/29/1997EP0802838A1 Workpiece-deforming tool and die for use in a punch press
10/29/1997CN1163582A Reshaped container and method and apparatus for reshaping container
10/29/1997CN1163366A Connecting structure and connecting method for connecting eye splice and slender metal tube
10/09/1997WO1997036702A1 Method for machining metal plate
10/09/1997CA2250756A1 Method for machining metal plate
10/08/1997EP0799660A1 Process for realising grooves in the surface of cookware, such cookware and apparatus for performing the process
09/1997
09/23/1997US5669260 Method of manufacturing a c-shaped rail with profiled surfaces
09/17/1997EP0795363A2 Working tool for pipe wall
08/1997
08/12/1997US5655396 Roll peening device
08/07/1997DE19603702A1 Introducing angular cut in flat structural part
08/05/1997US5653138 Method and apparatus for forming a necked and flanged part on a hollow cylindrical body
07/1997
07/17/1997DE19700583A1 Structure for connection between eye sleeve and thin metal pipe
07/16/1997EP0783382A1 Method and apparatus for making shaped cans
06/1997
06/11/1997EP0723506B1 Rails for car roofs
06/03/1997CA2086302C System for forming end flanges on pipes
05/1997
05/22/1997DE19647859A1 Method for forming multi=slot profile for quill shaft
05/14/1997EP0772501A1 Method of forming a neck and flange on a cylindrical hollow body and a device for carrying out the method
05/06/1997US5625948 Method for producing a pipe and apparatus for the same
04/1997
04/02/1997EP0765214A1 Apparatus for forming grooves in cylindrical surfaces
04/01/1997US5615481 Method and apparatus for the production of circumferentially compressible pipe fittings
02/1997
02/12/1997EP0757926A1 Punching processing method and roll forming die used in this processing method
02/12/1997CN1142417A Apparatus for pressing grooves on hollow pipe wall
02/11/1997US5601857 Extruder for extrusion manufacturing
01/1997
01/01/1997CN1139026A Method for producing pipe and apparatus for the same
12/1996
12/31/1996CA2103413C Self-tracking roll for grooving malleable pipe
12/19/1996DE19623453A1 Press arrangement for shaping teeth on discs or drums
12/17/1996US5584204 Press progressive dies for a metallic gasket
12/11/1996CN1137434A Method for making formed clamping strap
12/10/1996US5582054 Method of producing bulge-shaped pipe
12/05/1996DE19519904A1 Pressing corrugations or rims in pipes
11/1996
11/19/1996US5575168 Workpiece-deforming tool and die for use in a punch press
11/14/1996WO1996035529A1 Method of forming a neck and flange on a cylindrical hollow body and a device for carrying out the method
11/14/1996DE19517671A1 Vorrichtung für die Bildung eines geneckten und gebördelten Abschnitts an einem zylindrischen Hohlkörper Apparatus for forming a crimped portion, and teased to a cylindrical hollow body
10/1996
10/30/1996EP0739254A1 Workpiece-deforming tool and die for use in a punch press
10/09/1996EP0736345A1 Method for manufacturing a profiled rail
09/1996
09/25/1996EP0733413A1 Method to produce a formed metal can body
09/22/1996CA2172228A1 Method for making a metal box
09/17/1996US5555759 Workpiece-deforming tool and die for use in a punch press
08/1996
08/14/1996EP0726102A1 Method for deforming a plate and plate suitable therefor
08/14/1996CA2169327A1 Method for deforming a plate and a plate suitable therefor
08/08/1996DE19545176A1 Forming method for rotary-symmetrical workpieces
07/1996
07/31/1996EP0723506A1 Rails for car roofs
07/18/1996WO1996021530A1 Workpiece-deforming tool and die for use in a punch press
07/09/1996US5533373 Method and apparatus for making shaped cans
06/1996
06/26/1996CN1125165A Method and device for producing convex groove wave-form pipe
06/25/1996US5528919 Roll grooving apparatus
06/18/1996US5526663 Devices for the grooving of tubes
05/1996
05/28/1996US5520038 Device for manufacturing a groove bearing
05/01/1996CN1031693C Roller for thread of cover plate billet of metal container
03/1996
03/28/1996WO1996009129A1 Method and apparatus for making shaped cans
03/20/1996CN2222575Y Apparatus for pressing indentation on side wall of hollow tube
01/1996
01/30/1996US5487294 System for forming end flanges on pipes
12/1995
12/28/1995WO1995035196A1 Apparatus for forming grooves in cylindrical surfaces
12/28/1995CA2192795A1 Apparatus for forming grooves in cylindrical surfaces
12/27/1995EP0688614A1 Method and apparatus for embossing a folding in a sheet metal plate
12/21/1995CA2151771A1 Process and device for stampling a dimple in a sheet-metal blank
10/1995
10/11/1995EP0676279A1 Press forwardly feed die of metallic gasket
10/11/1995CN1109956A Method of producing bulge-shaped pipe
07/1995
07/20/1995WO1995019233A1 Workpiece-deforming tool and die for use in a punch press
06/1995
06/01/1995DE4441300A1 Method of producing beaded pipe
05/1995
05/10/1995EP0652059A1 Machine for annular beading
04/1995
04/27/1995WO1995011367A1 An apparatus for forming a shoulder in a ladder rung
04/27/1995WO1995011144A1 Rails for car roofs
04/27/1995DE4336261A1 Process for producing press fittings, and apparatus for carrying out the process
04/26/1995EP0649689A1 Method and device for making compression fittings
03/1995
03/22/1995CN1100348A Devices for the grooving of tubes
03/15/1995EP0643249A2 Pressure hose fitting and its manufacturing process
03/09/1995DE4407613A1 Electric manual curve-beading apparatus
02/1995
02/22/1995CN1027682C Method and apparatus for prodn. of portable conic container
02/09/1995WO1995003902A1 Method and apparatus for forming a longitudinal groove in the wall of a passage
01/1995
01/18/1995EP0634234A1 Device for grooving tubes
11/1994
11/24/1994WO1994026508A1 Press forwardly feed die of metallic gasket
08/1994
08/23/1994US5339523 Method of machining sleeve bearing
08/18/1994DE4304224A1 Ring-forming tool
07/1994
07/20/1994EP0606708A1 Self-tracking roll for grooving malleable pipe
07/19/1994US5329797 Tube-resizing tool
07/05/1994US5325695 Device for manufacturing lubricant supply grooves in fluid bearings
05/1994
05/03/1994US5307662 Roll threading apparatus for threading end blank for metal drum container
04/1994
04/06/1994EP0590188A1 Pressing tool
04/05/1994CA1328152C Enzyme hydrolyzed maltodextrin containing finisher/preserver/cleaner composition for lithographic printing plates
03/1994
03/09/1994EP0385975B1 Air cargo container and method for forming side panels thereof
03/08/1994US5291769 Apparatus for forming end portion of pipe
03/02/1994EP0243349B1 Container processing apparatus
02/1994
02/15/1994CA2042805C Roll grooving apparatus
01/1994
01/18/1994US5279143 Self-tracking roll for grooving thin walled pipe
12/1993
12/28/1993CA1325535C Rolling mill machine for longitudinal bending of plate
12/14/1993US5269164 Device for forming spiral groove on inner wall of cylindrical cavity
11/1993
11/30/1993US5265334 Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device
10/1993
10/28/1993DE4213285A1 Mfr. tool for coupling system sleeve parts - incorporates built up solid inner die and outer shaping tool with wheels or rollers
08/1993
08/25/1993CN1075436A Roller for thread of cover plate billet of metal container
08/24/1993US5237850 Conveyor rollers and manner of their manufacture
1 ... 3 4 5 6 7 8 9 10 11 12 13 14 15 16