Patents for B21D 37 - Tools as parts of machines covered by this subclass (19,804)
02/1987
02/12/1987WO1987000777A1 Punch press
02/10/1987CA1217683A Beading machines
02/04/1987EP0210195A1 Ball-point writing instrument containing an aqueous ink composition.
02/03/1987US4640169 Cemented carbide cutting tools and processes for making and using
01/1987
01/29/1987DE3525885A1 Compound tool for a press with a high stroke rate
01/20/1987US4637282 Method of making clear dies from bar stock
01/13/1987US4635465 Die pulling apparatus
01/10/1987CN85101993A Method of punching the corrugated shielding plate for color television inescope and its apparatus
12/1986
12/30/1986EP0205466A1 Quick change mounting plate
12/23/1986CA1215560A1 Device to prepare the dies of a platen press
12/17/1986CN86102887A Press with chucking plates for sets of tools
11/1986
11/25/1986US4624165 Power tool, particularly revolving cutting press with tool receiving means suitable for a remotedly controlled exchange
11/20/1986EP0202187A1 Refractory metal coated metal-working dies
11/12/1986EP0201456A1 Press with an upper and a lower plate for fixing a tool set
11/11/1986US4621512 Mechanism for and method of shifting cam mechanisms in a press for pressing workpieces with depressed portions
11/05/1986EP0200622A1 Press tool provided with a guiding and ejecting system for the metal strip
10/1986
10/15/1986CN86102684A Press tool provided with a system for guiding and relieving a metal strip
10/15/1986CN85205554U Cold pressing forming die for diamond drill bit
10/09/1986WO1986005732A1 Method of making punching dies
09/1986
09/30/1986US4614108 Die cart
09/23/1986US4612796 Hydraulically actuated tooling clamps for the ram and bed of a press brake and the like
09/23/1986CA1211701A1 Punch press
09/17/1986CN86102615A Assembling die
09/16/1986US4611484 Quick change mounting plate
09/16/1986US4611483 Metal working press
09/09/1986US4610185 Rotatable master die set and quick change unit die system
09/09/1986US4610156 Progressive die apparatus having resilient tool support means
08/1986
08/20/1986EP0191271A2 Progressive die apparatus having resilient tool support means
08/20/1986EP0051634B1 Infiltrated powdered metal composite article
08/12/1986US4604930 Punch press
07/1986
07/31/1986WO1986004345A1 Ball-point writing instrument containing an aqueous ink composition
07/29/1986US4602497 Die clamping arrangement
07/29/1986CA1208534A1 Adapter device for mounting punches on a bending press
07/22/1986US4601867 Method of making cast-to-size epoxy tools for stamping sheet metal panels
07/08/1986US4598574 Die clamping device
07/01/1986US4597709 Transferring device for dies and the like
06/1986
06/19/1986WO1986003627A1 Quick change mounting plate
06/04/1986EP0183648A1 Press for processing work pieces made from metal
05/1986
05/27/1986US4590788 Die clamp
05/14/1986EP0181269A1 Press tool with processing parts exchangeable while under the press
05/14/1986EP0180823A2 Tool changing device for a punching or nibbling machine
05/13/1986US4587830 Punch press with quick-change die set
05/13/1986US4587716 Machine tool center with multipurpose robot assembly for loading and unloading tooling and workpieces from machine tool
04/1986
04/15/1986US4581916 Press roller transfer system
04/08/1986US4581192 Empirical method for determining the shape of a vehicle body membrane panel
03/1986
03/13/1986WO1986001444A1 Rule-type cutting machine
02/1986
02/25/1986US4571983 Refractory metal coated metal-working dies
02/25/1986US4571979 Double acting press for sheet metal forming
02/19/1986EP0171873A1 Empirical method for determining the shape of a vehicle body membrane panel
02/19/1986EP0171594A2 Tool with direct drive
02/18/1986US4570327 Die holder mechanism for a stamping machine or the like
02/11/1986US4569267 Multitool punch mechanism
02/11/1986US4569256 Method of making a seamless punch
02/05/1986EP0170374A2 Cast-to-size epoxy resin tools for stamping sheet metal panels
01/1986
01/07/1986CA1198982A1 Bridge type punch press
12/1985
12/31/1985CA1198753A1 Apparatus, structure and method for joining pipe
12/18/1985EP0164490A2 Punch press with a tool magazine
12/17/1985US4558616 Punch press having retractable punching tools
12/11/1985EP0164062A2 Mold changer for a press preferably an injection molding machine
12/11/1985EP0163735A1 Retractable wheel assembly for movable bolsters
12/03/1985US4556380 Press for adjusting and inspecting molds
12/03/1985US4555966 Punch press with multitool punch assembly
12/03/1985US4555840 Process for positioning and aligning dies
11/1985
11/26/1985US4555012 Method and device for separating and connecting transfer bar of three upright type transfer press
11/12/1985US4552050 Die, platen and joining means for attaching said die to said platen
11/06/1985EP0160216A1 Follow-on tool
10/1985
10/22/1985US4548065 For stretch-forming a sheet metal workpiece to a desired contour
08/1985
08/20/1985US4535615 Process and apparatus using ultra-filtration in the production of can shells
08/13/1985US4534203 Adapter device for mounting punches on a bending press
08/13/1985US4534196 Super plastic shaping a titanium alloy plate with the same composition as the titanium alloy powder to be hot pressed
08/06/1985US4532793 Method for deep-drawing sheet metal and an apparatus for carrying out the method
08/06/1985US4532792 Apparatus for adjusting to tool length of panel forming machine
07/1985
07/23/1985US4530148 Tool changing mechanism
07/16/1985US4529371 Mold changer for a press preferably an injection molding machine
07/16/1985US4528903 Retractable wheel assembly for movable bolsters
07/09/1985US4527933 Spike plate and method and device for manufacturing it
07/03/1985EP0147030A1 Press machine
07/02/1985US4526023 Tube flaring tool die assembly
06/1985
06/25/1985US4524661 Bottom die construction
06/20/1985WO1985002580A1 Retractable wheel assembly for movable bolsters
06/18/1985US4523925 Process for dyeing or printing cellulose textile fiber materials with reactive dyes containing fluoro-triazine
06/12/1985EP0144280A2 Tube flaring tool die assembly
06/05/1985EP0143257A1 Tool holding fixture for a punching press, particularly of a turret cutting press for tool changing
06/04/1985CA1188065A1 Apparatus for clamping metallic mold
05/1985
05/23/1985WO1985002238A1 Antifriction bearing assembly for a die set or the like
05/21/1985US4518185 Die handling device
04/1985
04/30/1985CA1186115A1 Quick change locator clamp assembly for plastic molding machine
04/16/1985US4511127 Hydraulic-mechanical clamping device
04/09/1985US4509358 Urethane dies
04/09/1985CA1185151A1 Die and method of making same
03/1985
03/12/1985US4503741 Bridge type punch press
03/12/1985US4503725 Bracing device for machine tools
02/1985
02/19/1985US4500865 Fluid leakage detecting element
01/1985
01/29/1985CA1181615A1 Infiltrated powdered metal composite article
01/22/1985US4494455 Device for preparing die members of a platen press
12/1984
12/19/1984EP0128487A1 Machine-tool having a stationary magazine
12/19/1984EP0128486A1 Lower tool-input of a stamping machine, especially for inserting a die
12/18/1984US4488346 Apparatus for joining pipe
12/04/1984US4485549 Apparatus for changing the tools of a punch press
11/1984
11/14/1984EP0124746A1 Punching machine