| Patents for B21D 45 - Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass (3,285) |
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| 11/14/1990 | EP0396817A2 Indexable multi-tool for punch press |
| 10/10/1990 | CN1009947B Mould lubricant exbausting apparatus for knocking-out mechanism |
| 09/11/1990 | US4956008 Apparatus for superplastic forming and ejection of a part from a die |
| 08/28/1990 | US4951537 Apparatus for producing a blank from stock material |
| 08/14/1990 | US4947720 Die improvement |
| 06/19/1990 | US4934230 Die stamping system |
| 06/12/1990 | US4932300 Control mechanism for adjusting the punch tool carriage stroke of a punch press |
| 04/10/1990 | US4914936 Follow-on tool for stamping press |
| 03/21/1990 | EP0359001A2 Device for removing moulded articles from hydraulic presses |
| 03/07/1990 | EP0356975A2 Method and apparatus for transferring relatively flat objects |
| 02/28/1990 | EP0356188A2 Die stamping system |
| 02/13/1990 | US4899572 Pneumatic-hydraulic booster type driving device for the cushion-knockout mechanism associated with the slide of a press-machine |
| 02/06/1990 | US4898225 Mold lubricant exhausting apparatus for knocking-out mechanism |
| 01/30/1990 | US4896524 Device for the ejection of pressings out of a press tool |
| 01/24/1990 | EP0351963A1 Strip retainer and stripper for stamping and forming machine |
| 01/23/1990 | US4895012 Method and apparatus for transferring relatively flat objects |
| 01/16/1990 | CA1264420A1 Press tool with removable working parts under the press |
| 01/03/1990 | EP0349337A2 Transfer of can bodies in can body line |
| 12/14/1989 | WO1989011931A1 Hole punching unit |
| 12/05/1989 | US4884484 Strip retainer and stripper for stamping and forming machine |
| 10/18/1989 | EP0245371B1 Support system for blanking press |
| 07/12/1989 | EP0323792A1 Progressive die for a deep drawing press |
| 04/18/1989 | US4821615 Slug retainer for the die assembly of a stamping and forming machine |
| 03/09/1989 | DE3817514A1 Pneumohydraulic cushion for presses |
| 03/01/1989 | EP0305239A1 Press tool, in particular for trimming metal plate blanks, and method of making it |
| 01/10/1989 | US4797531 Cutting press |
| 12/21/1988 | CN88101709A Mold lubricant exhausting apparatus for knocking-out mechanism |
| 12/20/1988 | US4791844 Knockout device for punching a work plate in a press-machine |
| 11/02/1988 | CN87216680U Pressure cylinder for nitrogen bomb |
| 10/06/1988 | WO1988007420A1 Mold lubricant discharging apparatus for knockout systems |
| 08/18/1988 | DE3703238A1 Adjusting device for an ejector on presses |
| 07/06/1988 | EP0273721A2 A booster type driving device for a press-machine |
| 07/06/1988 | EP0273690A2 Knockout device for punching a work plate in a press-machine |
| 05/10/1988 | CA1236496A1 Apparatus for transferring relatively flat objects |
| 05/04/1988 | EP0265589A2 Stamping press |
| 05/03/1988 | US4741197 Ejection of superplastically formed part with minimum distortion |
| 04/05/1988 | US4735080 Forming machine with ram-side ejector mechanism |
| 03/30/1988 | EP0261646A2 An apparatus for superplastic forming and ejection of a part from a die |
| 11/19/1987 | EP0245371A1 Support system for blanking press. |
| 10/22/1987 | WO1987006165A1 Device for the ejection of pressings out of a press tool |
| 10/01/1987 | DE3610751A1 Resilient thrust piece |
| 09/29/1987 | US4696179 Air assist means for use in transferring relatively flat objects |
| 09/15/1987 | CA1226764A1 Air transfer system for a shell press |
| 08/12/1987 | EP0231947A2 Air assist means for use in transferring relatively flat objects |
| 05/21/1987 | WO1987002916A1 Support system for blanking press |
| 05/06/1987 | EP0220540A2 Punch press with self-adjusting stripper |
| 05/05/1987 | US4662256 Die set |
| 04/14/1987 | US4656902 Metal stamping tool with working parts removable while on the machine |
| 04/07/1987 | US4655071 Transfer press with quick change die set arrangement |
| 03/03/1987 | US4646599 Hydraulic punch press with workpiece stripper |
| 01/20/1987 | US4637243 Press linkage with controlled dwell |
| 12/30/1986 | US4631996 Punch press with self-adjusting stripper |
| 12/23/1986 | US4630987 Peripheral auxiliary system for the automatic feeding and unloading of a stamping/nibbling machine |
| 12/16/1986 | US4628780 Air ejector system |
| 12/09/1986 | US4627264 Cam actuated ejector for a shell press |
| 11/25/1986 | CA1214356A1 Cam actuated ejector for a shell press |
| 11/12/1986 | CA1213963A Method and apparatus for safety for presses |
| 10/14/1986 | CA1212579A1 Punch and ram assembly for punch press |
| 09/09/1986 | CA1210999A1 Method and apparatus for removing drawn container from draw horn |
| 08/19/1986 | US4606215 Apparatus and method for stripping workpieces |
| 08/12/1986 | CA1209460A1 Slug-retaining die |
| 07/15/1986 | US4599884 Apparatus for transferring relatively flat objects |
| 07/01/1986 | US4597489 Conveyor for transporting wheel rims during roll shaping |
| 05/14/1986 | EP0181269A1 Press tool with processing parts exchangeable while under the press |
| 11/12/1985 | US4552525 Die ejector assembly for multi-stage forming machines |
| 10/01/1985 | US4543865 Punch press tool for punching small holes in a strip of sheet metal, and obtaining small punched blanks |
| 07/24/1985 | EP0149184A2 Apparatus for transferring relatively flat objects |
| 07/17/1985 | EP0148354A1 Device for removing parts from a punching machine, a press or the like |
| 07/16/1985 | US4528838 Nitrogen die cylinder |
| 06/25/1985 | US4524660 Pneumatic-hydraulic driving device for the knockout mechanism associated with the slide of a press-machine |
| 06/19/1985 | EP0144589A2 Transportation device for rim blanks |
| 05/14/1985 | US4516450 Slug-retaining die |
| 05/14/1985 | US4516449 Tool holder with work release mechanism |
| 05/14/1985 | US4516448 Punch and ram assembly for punch press |
| 04/30/1985 | US4513600 Cam actuated ejector for a shell press |
| 04/23/1985 | CA1185890A1 Locking ring stripper plate assembly |
| 03/27/1985 | EP0135095A1 Peripheral accessory device for automatically loading and unloading a punching and nibbling machine |
| 03/26/1985 | US4506534 Method and apparatus for removing drawn container from draw horn |
| 01/29/1985 | US4495828 Stroke enlarging mechanism |
| 12/04/1984 | US4485707 Method of conveying sheets, and blanking die assembly in a pinch press |
| 10/16/1984 | CA1176112A1 Controlled oriented discharge of cups from a blanking and forming press |
| 09/05/1984 | EP0117343A1 Ejector for a press |
| 08/21/1984 | US4466317 Method and apparatus for safety for presses |
| 07/03/1984 | US4457196 Punch press assembly including a preloaded encapsulted spring |
| 06/26/1984 | CA1169711A1 Can end making apparatus |
| 06/05/1984 | CA1168734A1 Computer directed loading and unloading device |
| 05/08/1984 | US4446767 Locking ring stripper plate assembly |
| 04/25/1984 | EP0106435A2 Air transfer system for a shell press |
| 04/03/1984 | US4440052 Punch assembly with unitary stripper spring assembly |
| 03/27/1984 | US4439092 Apparatus for unloading workpiece from press |
| 03/14/1984 | EP0102620A2 Punch and ram assembly for punch press |
| 02/14/1984 | US4430916 Apparatus for making slats for a slatted blind |
| 01/31/1984 | US4428262 Adjustable long life stripper |
| 01/03/1984 | CA1159721A1 Workpiece ejector system for presses |
| 12/21/1983 | EP0096258A1 Pick-off device for removing manufactured part from manufacturing machine |
| 11/29/1983 | US4417845 Programmable positioning and operating mechanism for industrial operating head |
| 11/22/1983 | US4416140 Can removal method for use with a double action cupper |
| 05/10/1983 | US4382737 Can end making apparatus |
| 04/19/1983 | US4380182 Arrangement for replaceably holding a stripper of a tool holder of the tool, and a replacing tool for replacing the stripper |
| 02/15/1983 | US4373368 Hydraulic assist stripping |