| Patents for B21D 28 - Shaping by press-cutting; Perforating (12,707) |
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| 04/15/1993 | WO1993006978A1 Punch press and method of using same |
| 04/15/1993 | WO1993006954A1 Improvements to punch presses |
| 04/14/1993 | EP0536412A1 Method of changing tools in punch press machine |
| 04/13/1993 | US5202543 Manufacturing process of a fuel delivery rail assembly |
| 04/13/1993 | US5201589 Marking tool holder for a punch press |
| 04/12/1993 | CA2079530A1 Punch holder with stripper arrangement |
| 04/06/1993 | US5199339 H beam hole punch |
| 04/06/1993 | US5199338 Automatic workholder avoidance system for a press |
| 04/06/1993 | US5199157 Continuous manufacture of formed, plated component parts having selected alternate configurations |
| 04/01/1993 | DE4232211A1 Production method of sheet metal blanks for hinges for furniture - stamps double blanks from metal strip and forms recesses in opposite corners |
| 04/01/1993 | DE4222741A1 Production line for sheet metal shuttering for concrete - has stamping, folding and welding machines arranged in line |
| 03/30/1993 | US5198626 Heat protective, sound permeable lining |
| 03/30/1993 | US5197368 Punch and die retainer and release mechanism |
| 03/24/1993 | EP0533574A1 Method of punching an opening in a tubular wall and tubular wall thus obtained |
| 03/24/1993 | EP0533372A1 Gas cylinder control system |
| 03/24/1993 | EP0532755A1 Turret punch press. |
| 03/18/1993 | DE4130673A1 Press to perforate and corrugate material strip - has advance rollers, with adjustable rotary positions, to place perforations relative to corrugations |
| 03/17/1993 | EP0532147A1 Punch assembly |
| 03/17/1993 | EP0329724B1 Tooling for forming machines having improved guidance, tool mounting, and pilot pin systems |
| 03/16/1993 | US5193426 Linear type punch press |
| 03/10/1993 | EP0530845A2 Die support arrangement in a rotary forming apparatus |
| 03/10/1993 | EP0530813A1 Turret punch press |
| 03/10/1993 | EP0530649A1 Punch press and method of punching plate-type workpiece by the press |
| 03/09/1993 | CA1314329C High-speed press control system |
| 03/04/1993 | WO1993003893A1 Linear punch press |
| 03/04/1993 | DE4128194A1 Automatic production line for sheet metal components - comprises automatic stamping unit with auto-tool changer, feeder unit for metal strip, cutting unit and central computer control |
| 03/03/1993 | EP0529705A1 Programmable machine for punching large sheet metal plates |
| 03/02/1993 | US5191188 Method of preventing interference by a machining head |
| 02/11/1993 | DE4125992A1 Hydraulic press with punch damping - has external device for infinitely variable adjustment of ram damping stroke |
| 02/10/1993 | EP0526449A1 Apparatus for producing a blank from stock material. |
| 02/09/1993 | US5184498 Turret punch press |
| 02/04/1993 | WO1993002540A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits |
| 02/04/1993 | WO1993002539A1 Machine tool with curved drive, especially for stamping and shaping the connecting pins of integrated circuits |
| 02/04/1993 | WO1993002425A1 Die stamping press having ccd camera system for automatic 3-axis die registration |
| 02/04/1993 | WO1993001903A1 Method and apparatus for reforming can bottom to provide improved strength |
| 01/26/1993 | US5181438 Ball lock punch retainer |
| 01/21/1993 | WO1993001013A1 Assembly apparatus |
| 01/21/1993 | WO1991018690A3 Turret punch press |
| 01/21/1993 | DE4123512A1 Werkzeugmaschine mit kurvengetriebe, insbesondere zum stanzen und formen der anschlussbeinchen von integrierten schaltkreisen Machine tool with winding gear, especially to the punch and shaping the lead of integrated switching circuits |
| 01/20/1993 | EP0523243A1 Punch die set |
| 01/12/1993 | US5178050 Die for use in fine press working |
| 01/12/1993 | US5177843 Turret punch press |
| 01/07/1993 | EP0521640A1 Method of making an electromagnetic coupling disc |
| 01/07/1993 | EP0521164A1 Method of restarting operation of punch press machine and numerically controlled device |
| 01/07/1993 | DE4121981A1 Workpiece holding down device for stamping press - includes hold down brackets which can be bolted to horizontal rail with rail being moved by motor |
| 01/07/1993 | DE4121142A1 Easily removable cushioning system for blanking press - has damper actuating plungers mounted in frame which can be removed as single unit |
| 01/06/1993 | CN1067596A Technology for notching metal tube |
| 01/05/1993 | US5176057 Punch holder with stripper arrangement |
| 01/05/1993 | US5176054 Control apparatus and method for progressive fracture of workpieces |
| 01/05/1993 | US5176020 Method for manufacturing a corrugated fin and a shaping roll apparatus therefor |
| 12/24/1992 | DE4212815A1 Piezoelectric actuator for thin metal foil components - has opening and closure of die-set for access provided by pneumatic actuator |
| 12/23/1992 | EP0519525A2 Method of rotary forming |
| 12/16/1992 | CN2124781U Perforating device |
| 12/15/1992 | US5170627 For use with machine systems in timed relation |
| 12/15/1992 | CA1311410C Panel punch |
| 12/09/1992 | CN2124088U Edgeless and scrapless friction and extrusion drill |
| 12/08/1992 | US5168610 Complex machine tool |
| 12/03/1992 | DE4118054A1 Punching holes into hollow profiles - using two steps first to cut part hole, second to complete hole, clean-up edges, withdraw tool |
| 12/02/1992 | CN2123388U Punching die for superplastic extruding and producing thin sheet without seam |
| 11/24/1992 | US5165315 Key duplicating machine |
| 11/19/1992 | EP0514099A2 Die-shaping apparatus and process |
| 11/12/1992 | WO1992019397A1 Method of changing tools in punch press machine |
| 11/11/1992 | EP0512969A1 Machine for producing venetian blinds and punching device therefor |
| 11/11/1992 | CN2121281U Hole-punching unit |
| 11/10/1992 | US5161402 Chamfering pressing machine |
| 11/09/1992 | CA2068125A1 Machine for producing venetian blinds and punching device therefor |
| 10/28/1992 | EP0432173B1 Rotary punching machine |
| 10/27/1992 | CA1309277C Torsional vibration damper having a roll spun housing and other improvements |
| 10/24/1992 | WO1992018264A1 A method and an apparatus for carrying out an operation on a mechanical workpiece |
| 10/24/1992 | CA2085997A1 Method and an apparatus for carrying out an operation on a mechanical workpiece |
| 10/21/1992 | EP0509504A1 Forming machine with central drive arrangement |
| 10/14/1992 | EP0508557A2 Multiple punching press |
| 10/07/1992 | EP0507652A1 Method of manufacturing a butterfly valve in a fuel supplying installation |
| 10/07/1992 | EP0507038A1 A fluidized bed apparatus and a method for making the same |
| 10/06/1992 | WO1992017273A1 A bed plate for a fluidized bed apparatus and a method for making the same |
| 10/06/1992 | US5152209 Rotary punching machine |
| 10/01/1992 | WO1992016968A1 Method and device for manufacturing a single product from integrated circuits received on a lead frame |
| 09/16/1992 | EP0503194A2 Manufacture, slitting, and reeling of two-out terminal strip |
| 09/16/1992 | CN2115846U Dies for stile mortise of pushing and pulling aluminium alloy door and window |
| 09/15/1992 | US5146832 Connector for rigidly connecting punch tip to punch pad |
| 09/15/1992 | US5146662 Lead frame cutting apparatus for various sized integrated circuit packages and method therefor |
| 09/09/1992 | CN2115161U Aluminium alloy hollow section material punching module |
| 09/09/1992 | CN2115160U Clamp blank finish module |
| 09/09/1992 | CN2115159U Integral type deep-neck cold stamping die carrier |
| 09/08/1992 | US5144872 Multiple punching press |
| 09/01/1992 | US5142958 Rotating punch and die set |
| 09/01/1992 | CA1306959C Brake shoe rib and a method of making same |
| 08/26/1992 | EP0499778A2 Image processing apparatus |
| 08/25/1992 | US5140881 Apparatus for manufacturing a cylinder with a connected sleeve |
| 08/25/1992 | US5140879 Variable array punch |
| 08/12/1992 | EP0498345A2 A method and system for producing workpieces from a metal sheet |
| 08/12/1992 | EP0497983A1 Tool selection method for punch press machine |
| 08/12/1992 | EP0493411A4 Method and apparatus for aligning mating form tools |
| 08/11/1992 | US5136907 Prevention of slug pulling in stamping presses |
| 08/11/1992 | US5136765 Apparatus for manufacturing expanded mesh sheet |
| 08/06/1992 | WO1992013302A1 Method of restarting operation of punch press machine and numerically controlled device |
| 08/05/1992 | WO1992013657A1 Punch die set |
| 08/05/1992 | CA2078435A1 Punch-die set |
| 08/04/1992 | US5136521 Punching machine with controlled punch and die positioning and controlled punch operating stroke |
| 07/28/1992 | US5133237 Die punch |