Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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02/15/1996 | DE4444857C1 Method for forming opening in wall of esp. exhaust pipe |
02/13/1996 | US5490326 Method of retrofitting fluorescent light fixtures and punch and die assembly therefor |
02/08/1996 | WO1996003261A1 Punch unit |
02/07/1996 | EP0480057B1 Interference prevention system of machining head |
01/31/1996 | EP0694351A1 Punch unit |
01/31/1996 | EP0694347A1 Turret punch press |
01/31/1996 | CN1115969A Die management method for a punch press machine |
01/28/1996 | CA2154740A1 Punch unit |
01/24/1996 | EP0637275B1 Rotary forming apparatus and method |
01/24/1996 | EP0594654B1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits |
01/16/1996 | US5483814 Apparatus for working metal workpieces |
01/16/1996 | US5483813 Process to make a toroid outer shell from sheet stock |
01/09/1996 | US5481892 Apparatus and method for forming a tubular member |
01/08/1996 | EP0726836A4 Adjustable length punch set assembly |
01/04/1996 | DE19523802A1 Load detection device for press |
01/03/1996 | EP0689885A1 Lateral punching unit |
01/03/1996 | EP0689494A1 Apparatus for detecting fault conditions |
12/26/1995 | US5478301 Punch press system |
12/20/1995 | CN1113460A Multichannel synchronous pulse coil printing and punching process for large-size metal sheets |
12/13/1995 | EP0592463B1 Assembly apparatus |
12/05/1995 | US5471901 Press die |
12/05/1995 | US5471730 Method for refurbishing worn turret punch press bores |
11/29/1995 | EP0684114A1 Device for manipulating the tools of a press for cutting sheet material |
11/29/1995 | EP0684095A1 Punching tool |
11/29/1995 | EP0523243B1 Punch die set |
11/25/1995 | CA2149967A1 Device for handling the tools of a press that die-cuts a sheet-like matter |
11/22/1995 | EP0550705B1 An apparatus for carrying out an operation on a mechanical workpiece |
11/21/1995 | US5468931 Tool assembly for a punch press having a laser welding apparatus |
11/16/1995 | DE4416843A1 Zigzag feed mechanism |
11/15/1995 | CN1111549A Transport-by-suction type mold |
11/14/1995 | US5465473 Method of providing a toolholder body guide for punch presses |
11/08/1995 | EP0594652B1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits |
11/08/1995 | EP0537275B1 Electromagnetically driven punch press with tools movable in opposite directions and having their momentus balanced at impact |
10/31/1995 | US5461761 Process and apparatus for the production of expanded grids |
10/26/1995 | CA2147708A1 Die cutter latching mechanism |
10/25/1995 | EP0678143A1 Metallic wall framing, method and apparatus for producing same |
10/25/1995 | CN1110769A Telescopic vibration absorber |
10/24/1995 | US5460026 Method of and apparatus for the cutting of an opening in a hollow body |
10/19/1995 | WO1995027597A1 Multidirectional cutting tool in a punch press environment |
10/19/1995 | DE19511491A1 Punching holes into hollow workpieces, esp. tubular combustion chambers of gas generators for passive restraining systems in motor vehicles |
10/18/1995 | EP0527805B1 Ball lock punch retainer |
10/18/1995 | CN1110197A Dieless electronic soldering tag manufacturing technology and its equipment |
10/17/1995 | US5458717 Method of shearing thin metal sheet |
10/11/1995 | EP0676279A1 Press forwardly feed die of metallic gasket |
10/05/1995 | DE4411254A1 Blanking press with potentiometric displacement transducer |
10/04/1995 | EP0674957A1 Notching installation with an intermediate alignment of rotor sheets |
10/04/1995 | EP0674956A2 Turret punching press |
10/04/1995 | CN1109393A Apparatus for making self-piercing nuts |
09/28/1995 | DE4409658A1 Stamping machine tooling combination |
09/27/1995 | EP0521164B1 Method of restarting operation of punch press machine and numerically controlled device |
09/26/1995 | USRE35039 Method of manufacturing a jack |
09/26/1995 | US5452635 Apparatus for integrated circuit lead-frame punching |
09/20/1995 | EP0672479A1 Punching apparatus for metallic profiles |
09/20/1995 | EP0672478A1 Method for punching from metal strip a blank intended, particularly but not exclusively, for producing a furniture hinge casing |
09/19/1995 | US5451195 Turret punch press with a die exchanging device |
09/14/1995 | WO1995024282A1 Markless press brake material protector |
09/06/1995 | CN1107758A Hot rolled beam and method of manufacture |
08/31/1995 | DE4406349A1 Telescopic oscillation damper |
08/30/1995 | CN2206166Y Multiple specification punching combined die |
08/29/1995 | US5445305 Method and device for feeding a band or strip along a straight or zig-zag course to a machine such as one for cutting out of blanks |
08/29/1995 | US5445057 Punching die with a damping member |
08/22/1995 | US5442947 Tooling apparatus and method for high speed production of drawn metal cup-like articles |
08/16/1995 | EP0667194A1 Process to make a toroid outer shell from sheet stock |
08/16/1995 | CN2205263Y Cutting and bending leg mould for diode |
08/16/1995 | CN1106719A Wrapped bushing, in particular for a shock absorber |
08/15/1995 | US5440912 Form and punch apparatus |
08/02/1995 | CN1106172A Method for producing iron core of mlti-phase-conductor motor |
07/27/1995 | DE19500614A1 Turret punch press machine |
07/26/1995 | EP0663861A1 Method and machine for producing details from a sheet of metal |
07/25/1995 | US5435216 Method and apparatus for operating a hydraulic ram |
07/20/1995 | WO1995019233A1 Workpiece-deforming tool and die for use in a punch press |
07/19/1995 | EP0663247A1 Apparatus for making self-piercing nuts |
07/19/1995 | EP0662871A1 Rotary apparatus with moveable die |
07/13/1995 | DE4445363A1 Sheet metal working machine |
07/06/1995 | WO1995017985A1 Method and apparatus for producing header tank of heat exchanger |
07/05/1995 | EP0661118A1 Method for punching from metal strip a blank intended, particularly but not exclusively, for producing a furniture hinge casing |
07/05/1995 | CN1104814A Method for manufacturing a stator of a stepping motor |
07/04/1995 | US5429573 Die lift tool for rotary punch machine |
07/04/1995 | US5428982 Machine tool with cam gear, in particular for punching and shaping the lead-outs of integrated circuits |
06/29/1995 | DE4444858A1 Hole punching machine with multiple tool groups |
06/28/1995 | EP0659547A1 Breakthrough buffer for presses and control method therefor |
06/27/1995 | US5427349 Adjustable base assembly |
06/22/1995 | WO1995016527A1 Lateral punching unit |
06/22/1995 | DE4343241A1 Method of punching two or more out of centre holes in a tube wall |
06/22/1995 | CA2155944A1 Lateral punching unit |
06/21/1995 | EP0658383A1 Apparatus, module and method of material processing |
06/21/1995 | EP0536412B1 Method of changing tools in punch press machine |
06/21/1995 | CN2201188Y Thin metal plate, thin wall pipe lining hole shaping device |
06/20/1995 | US5425692 Turret punch press |
06/20/1995 | US5425262 Method and an apparatus for carrying out an operation on a mechanical workpiece |
06/06/1995 | US5421086 Method of punching a through opening in a tubular wall |
05/31/1995 | EP0655884A1 Transport-by-suction type die |
05/30/1995 | US5419225 Punching die |
05/23/1995 | US5417097 Process and apparatus for press forming |
05/23/1995 | US5416975 Hydraulic puncher |
05/23/1995 | CA1335638C Method and device for controlling the stroke of a press |
05/18/1995 | WO1995013151A1 Hot rolled beam and method of manufacture |
05/17/1995 | CN2197147Y A drilling model for block-board used in highway |
05/17/1995 | CN2197146Y Drilling model on an aluminium door-fram |
05/17/1995 | CN2197145Y Drilling device on press-modle strip with various forms |