Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; Punching › B21D 35 - Combined processes according to methods covered by groups
Patents for B21D 35 - Combined processes according to methods covered by groups (2,318)
12/1989
12/06/1989EP0344740A2 Device for stamping and deep-drawing of cans
10/1989
10/11/1989EP0336862A1 Method of making an outer chanfer on a cylindrical drawn piece
09/1989
09/05/1989US4863333 Apparatus for forming cans
07/1989
07/26/1989EP0325121A2 Anchoring piece
07/12/1989EP0323791A1 Punch tool for a drawing press device
06/1989
06/01/1989WO1989004732A1 Method of defining hole positions of punch-fitting component
05/1989
05/05/1989WO1989003747A1 Drive module for tool aggregates
05/03/1989DE3735493A1 Werkzeugaggregat Tool unit
04/1989
04/05/1989EP0309889A2 Device for storing components retained in strips
02/1989
02/23/1989DE3726572A1 Processing device for large-area sheet-metal blanks
02/22/1989EP0304343A2 Pack of laminations and forming projections and depressions
12/1988
12/07/1988CN87102025A Stamping method of cutting and bending at the same time
10/1988
10/25/1988US4779443 Complex pressing die apparatus
09/1988
09/27/1988US4773250 Module-type forming machine
07/1988
07/05/1988CA1238775A1 Multiple processing machine
06/1988
06/28/1988US4753559 Expansion shell
06/23/1988DE3642522A1 Transportable hydraulic stamping, cutting and bending machine
05/1988
05/24/1988CA1237168A1 Forming a shadow mask from a flat blank
02/1988
02/04/1988DE3632283C1 Method for the formation of openings in plates for viscous couplings
01/1988
01/13/1988EP0252635A2 Complex pressing die apparatus
10/1987
10/27/1987US4702100 Adjustable clevis
10/21/1987CN86102189A Edge folding process for cold pressed bi-metal reel pleeve
09/1987
09/29/1987US4696178 Wire and band processing machine
09/15/1987CA1226752A1 Expansion shell
08/1987
08/25/1987US4688310 Fabricated liner article and method
08/25/1987CA1225909A1 Method of and tool for mitering frame members
07/1987
07/28/1987US4682401 Multiple processing machine
06/1987
06/02/1987CA1222417A1 Stack press
05/1987
05/19/1987US4665607 Machine for working sheet material such as sheet metal
03/1987
03/03/1987US4646552 Process for manufacturing universal joint
02/1987
02/24/1987US4644775 Shell forming apparatus and process
02/10/1987US4641910 Electrical contacts
02/10/1987US4641514 Tooling for manufacture of electrical contacts
01/1987
01/13/1987US4635351 Method and machine for providing alternator pole pieces
12/1986
12/17/1986EP0201393A1 Worm drive hose clamp housing and method of making it
12/16/1986US4628694 Fabricated liner article and method
10/1986
10/07/1986US4615205 Forming a shadow mask from a flat blank
07/1986
07/22/1986US4601189 Method of and tool for mitering frame members
06/1986
06/04/1986EP0183648A1 Press for processing work pieces made from metal
04/1986
04/08/1986US4580329 Processing machine for workpieces
12/1985
12/27/1985EP0165785A2 Method for forming a shadow mask from a flat blank
11/1985
11/19/1985US4553418 Apparatus for producing elongated workpieces of predetermined transverse profile
11/12/1985US4552005 Method of making a clutch rotor for an electromagnetic clutch
10/1985
10/08/1985CA1194964A1 Apparatus for the manufacture of profile segments
10/01/1985US4543811 Progressive forming method of product having varied cross-sectional length
08/1985
08/20/1985US4535502 Method of fabricating a base plate for a metal fitting, and stamping utilized in forming the base plate
08/06/1985US4532794 Stamping and bending machine for manufacturing shaped parts
07/1985
07/09/1985US4527933 Spike plate and method and device for manufacturing it
06/1985
06/11/1985US4523209 Apparatus for the manufacture of profile segments
04/1985
04/09/1985US4509355 Apparatus for forming a sheet metal product having an opening
12/1984
12/05/1984EP0127156A2 Machine for working wire and strip
12/04/1984US4485544 Method of making articles comprising two components hinged one to the other
11/1984
11/28/1984EP0126142A1 Method and means of continuously punching, shearing, and forming sheet material
11/20/1984US4483172 System and apparatus for forming containers
11/20/1984US4483170 Press machine structure
10/1984
10/16/1984CA1176112A1 Controlled oriented discharge of cups from a blanking and forming press
09/1984
09/18/1984US4471641 Method and means of continuously punching, shearing and forming sheet material
07/1984
07/04/1984EP0112566A1 Process for manufacturing universal joint
05/1984
05/24/1984WO1984001911A1 Method and means of continuously punching, shearing, and forming sheet material
05/01/1984CA1166606A1 Method of manufacture of gravity screen separating cylinder
04/1984
04/17/1984US4442691 Double action press having floating punch
03/1984
03/28/1984EP0103885A2 Punching and bending machine
02/1984
02/07/1984US4429560 Apparatus for making a transition plate for a mine roof truss
12/1983
12/27/1983CA1159314A1 Double action press having floating punch
12/20/1983US4420862 Apparatus for making slats for a slatted blind
11/1983
11/29/1983CA1157820A1 Mandrel jaw and method of manufacture
10/1983
10/18/1983CA1155321A1 Puncher-riveter
09/1983
09/14/1983EP0088152A1 A tube punching and/or bending assembly, particularly for punching holes having axes transversely to one another and/or for bending a tube with curves not coplanar to one another
08/1983
08/30/1983US4400964 Method and device for continuous production of flanged hollow article
06/1983
06/22/1983EP0081876A2 Apparatus for the manufacture of profile segments
06/14/1983US4387583 Bending and forming tool
01/1983
01/25/1983US4369907 Punching and riveting machine
12/1982
12/21/1982US4364255 Controlled oriented discharge of cups from a blanking and forming press
11/1982
11/02/1982US4356719 Mandrel jaw and method of manufacture
09/1982
09/08/1982EP0059432A2 Press machine
08/1982
08/17/1982CA1129759A1 Automatic punching and bending machine
08/03/1982US4342214 Pilot assembly for progressive die machines
04/1982
04/28/1982EP0050163A1 Method of forming threaded metal parts
03/1982
03/02/1982US4317420 Apparatus for making head pieces with a membrane for packaging containers of laminate with a metallic barrier layer
02/1982
02/23/1982US4316379 Deep drawing press with blanking and draw pad pressure control
12/1981
12/15/1981US4305196 Scrap ring removal
12/08/1981USRE30814 Apparatus and method for forming barbed tape
10/1981
10/01/1981WO1981002759A1 Spike plate and method and device for manufacturing it
04/1981
04/22/1981EP0027247A1 Stamping tool
04/21/1981CA1099596A1 Die press having selectively variable die access clearance
04/14/1981US4261192 Method of making improved spring seal
03/1981
03/31/1981CA1098294A1 Method of making housing cover and tube
02/1981
02/24/1981CA1096250A1 Radiator tank headsheet and method
02/10/1981US4249410 Die press having selectively variable die access clearance
02/03/1981US4248545 Deep drawing press with blanking and draw pad pressure control
01/1981
01/20/1981US4245491 Method and device for producing hollow articles having flanges
01/20/1981CA1093797A1 Process and an apparatus for the continuous mechanical fabrication of starting sheets for the electrolytic refining of metals, especially copper
07/1980
07/15/1980CA1081549A1 Blanking and forming tapered wall articles
07/15/1980CA1081438A1 Press forming of flanged articles
06/1980
06/03/1980US4205548 Stamping tools
05/1980
05/06/1980US4200966 Apparatus for fixing metal clamp bands
09/1979
09/04/1979CA1061683A1 Apparatus and method for forming barbed tape
08/1979
08/28/1979US4165629 Multi-punch, multi-die assembly for stamping hook-shaped damper hinge members
06/1979
06/26/1979CA1057036A1 Apparatus and method for forming truss tubular web components having flat symmetrically bifurcated ends
04/1979
04/24/1979US4150556 Radiator tank headsheet and method
1 ... 13 14 15 16 17 18 19 20 21 22 23 24