Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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08/06/1986 | EP0189541A2 Punching device |
08/06/1986 | CN85201149U Combined opposite punching-shearing die for punching burr-free hole |
07/31/1986 | WO1986004345A1 Ball-point writing instrument containing an aqueous ink composition |
07/30/1986 | CN85203639U Wheel rim once-pass punch |
07/29/1986 | US4602541 Punch press with means for rotating the workpiece and method of using same and tooling therefor |
07/22/1986 | CA1208120A1 Machine tool for working sheet metal |
07/15/1986 | US4600884 Press punching defect detecting device |
07/15/1986 | US4599924 Process and device to apply a bearing eye or a transverse perforation in the clevis of the actuating rod of a brake power booster |
07/08/1986 | US4598950 Tubular reinforcement in particular for a motor vehicle seat |
07/01/1986 | US4597180 Hydraulic punch tool for heat exchangers |
07/01/1986 | US4597168 Method for controlling the operation of a punch press |
06/17/1986 | US4594779 Punch and die adapter |
06/04/1986 | EP0183648A1 Press for processing work pieces made from metal |
06/04/1986 | EP0183298A2 Punch press with a number of selectable punches |
06/04/1986 | EP0182917A1 Device for preventing collision of work holder with tool in numerical control system for turret punch press |
05/20/1986 | US4589317 Sheet or plate material machining equipment |
05/14/1986 | EP0181269A1 Press tool with processing parts exchangeable while under the press |
05/14/1986 | EP0180823A2 Tool changing device for a punching or nibbling machine |
05/13/1986 | US4587737 Hand punch |
05/07/1986 | EP0180146A2 Punching machine |
05/06/1986 | US4586360 Method of and apparatus for the fine cutting (punching) of articles |
05/06/1986 | CA1204051A1 Self-equalizing piercing machine |
04/29/1986 | US4584749 Method for making cages for rolling bearings |
04/24/1986 | WO1986002414A1 System for monitoring the position of a machine component |
04/23/1986 | EP0178640A2 Punching machine and method of application of this punching machine |
04/22/1986 | US4583438 Piercing unit with rotating head |
04/15/1986 | US4582259 Wash arm and method and apparatus for forming the same |
04/09/1986 | EP0176510A1 Apparatus for briefly storing and impulsively releasing mechanical energy. |
04/01/1986 | US4578853 Method of making a stack of electrical sheet-metal lamellae with aligned winding slots, particularly armatures for dynamo electric machines |
03/26/1986 | EP0175662A1 Method of manufacturing loop-formed metal foil elements |
03/19/1986 | EP0174758A2 Wash arm and method and apparatus for forming the same |
03/11/1986 | US4575288 Method of and apparatus for working a profiled steel workpiece |
03/04/1986 | US4573338 Method of wheel manufacture for correcting rotational non-uniformity of a pneumatic tire and wheel assembly, apparatus for performing such method and resulting wheel |
02/27/1986 | WO1986001135A1 Improvements relating to metal pressing and stamping |
02/25/1986 | CA1201056A1 Turret punch presses |
02/19/1986 | EP0171594A2 Tool with direct drive |
02/18/1986 | US4570327 Die holder mechanism for a stamping machine or the like |
02/11/1986 | US4569621 Method of and an apparatus for manufacturing a ring-pull bottle cap |
02/11/1986 | US4569267 Multitool punch mechanism |
02/04/1986 | CA1200152A1 Deep-drawing and edge-trimming die |
02/04/1986 | CA1200129A1 Small blank feeder and tray former |
01/29/1986 | EP0169764A1 Method of making spray arms, especially for washing machines |
01/21/1986 | US4565358 Plate positioning apparatus |
01/08/1986 | EP0167018A2 Web fed die cutting press having automatic 3-axis die registration system |
01/07/1986 | CA1198982A1 Bridge type punch press |
12/18/1985 | EP0164490A2 Punch press with a tool magazine |
12/17/1985 | US4558620 Punch retainer |
12/17/1985 | US4558616 Punch press having retractable punching tools |
12/05/1985 | WO1985005298A1 Device for preventing collision of work holder with tool in numerical control system for turret punch press |
12/03/1985 | US4555968 Web fed die cutting press having automatic 3-axis die registration system |
12/03/1985 | US4555966 Punch press with multitool punch assembly |
11/27/1985 | EP0162290A1 Punching method |
10/23/1985 | EP0158866A2 Machine tool for processing a work piece mechanically and thermally |
10/08/1985 | US4545233 Multitool punching apparatus |
10/02/1985 | EP0156720A1 Method and apparatus for perforating the sides of metallic, deep-drawn work pieces |
10/01/1985 | US4543865 Punch press tool for punching small holes in a strip of sheet metal, and obtaining small punched blanks |
10/01/1985 | US4543811 Progressive forming method of product having varied cross-sectional length |
10/01/1985 | US4543722 Slug-splitting punch |
09/17/1985 | US4541318 Press for forming sheet metal elements |
09/03/1985 | US4538493 Machine tool for working sheet metal |
08/27/1985 | US4537588 Punch device for making window cut-outs |
08/06/1985 | US4532845 Turret punch presses |
08/06/1985 | US4532843 Punch press |
08/06/1985 | US4532794 Stamping and bending machine for manufacturing shaped parts |
07/23/1985 | CA1190847A1 Rotary die cutter |
07/18/1985 | WO1985003146A1 Apparatus for controlling movement and positioning of workpiece for machine tool |
07/10/1985 | EP0147787A2 A shock absorber |
07/02/1985 | US4526077 Heavy duty punch |
06/25/1985 | US4524661 Bottom die construction |
06/25/1985 | US4524660 Pneumatic-hydraulic driving device for the knockout mechanism associated with the slide of a press-machine |
06/25/1985 | US4524507 Laminated core producing apparatus |
06/05/1985 | EP0143257A1 Tool holding fixture for a punching press, particularly of a turret cutting press for tool changing |
06/04/1985 | CA1188213A1 Blanking apparatus |
05/28/1985 | US4519284 Universal sheet metal holder |
05/28/1985 | US4519235 Louver tool |
05/21/1985 | US4517725 Method and apparatus for formation of packs of punched plates useful for spark extinguishing |
05/14/1985 | US4516456 Pallet nibbler |
05/14/1985 | US4516450 Slug-retaining die |
05/14/1985 | US4516448 Punch and ram assembly for punch press |
05/14/1985 | US4516447 Numerically controlled groove-stamping machine |
05/09/1985 | WO1985001896A1 Stamping machine and set of tools for stamping machines |
05/08/1985 | EP0140373A2 Cutting press and tool set for cutting presses |
05/08/1985 | EP0139894A1 Power-operated hand tool with a bipartite implement, especially for stamping |
05/08/1985 | EP0139666A1 Method for fabricating punched pieces with material saving |
04/30/1985 | CA1186390A1 Method and apparatus for controlling heat deformations of machine tools |
04/24/1985 | EP0138122A1 Device for accumulating and changing of tools at the revolving implement of a revolving press |
04/09/1985 | US4509395 Process for precision cutting |
04/09/1985 | US4509355 Apparatus for forming a sheet metal product having an opening |
04/02/1985 | US4507995 Arrangement for removing workpieces from a cutting press |
04/02/1985 | US4507947 Punch and winding machine |
03/26/1985 | US4506574 Zigzag feeder for blanking machine |
03/20/1985 | EP0134776A2 Press for working metal sheets |
03/13/1985 | EP0133859A1 Method and device for manufacturing electric machine packets made of sheet plates with displaced centre angle, especially for rotor or stator cores |
03/13/1985 | EP0133858A1 Method of and device for manufacturing packets made of sheet plates for magnetic cores of electric machines |
03/12/1985 | US4504181 Method of forming scored metal sheet |
03/12/1985 | US4503741 Bridge type punch press |
03/12/1985 | US4503693 Apparatus for making a hole and a hole-surrounding collar in the side of a pipe |
02/26/1985 | US4501523 Apparatus for feeding platelike workpieces to a machine tool |
02/26/1985 | US4501179 Compound die assembly |
02/19/1985 | US4499749 Tubing perforator |