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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02/01/1983 | US4370878 Workpiece ejector system for presses |
01/25/1983 | US4369682 Rotary die cutters having magnetically-attracted waste ejector |
12/21/1982 | US4364255 Controlled oriented discharge of cups from a blanking and forming press |
11/30/1982 | US4361413 Work feed apparatus in a press |
11/09/1982 | US4358263 Press apparatus |
09/14/1982 | US4349310 Unloading device for a press |
08/10/1982 | US4343173 Double action cupper having improved can removal means |
06/01/1982 | US4332179 Combined punch retainer and fluid-actuated stripper |
05/04/1982 | US4327571 Die stripping apparatus |
04/27/1982 | US4326402 Stock lifter for progressive dies |
03/10/1982 | EP0047056A2 Power press arrangement |
02/23/1982 | US4316399 Combined punch retainer and fluid actuated stripper |
02/17/1982 | EP0045956A2 Punching device |
02/03/1982 | EP0045116A1 Method of releasing a wall-ironed sleeve from a wall-ironing mandril and wall-ironing mandril for carrying out the same |
12/22/1981 | US4306659 Automatic selection and delivery apparatus of assembled mechanical parts |
11/03/1981 | US4297870 Hydraulic press with integral knockout and stroke control |
10/20/1981 | US4295570 Automatic selection and delivery apparatus of assembled mechanical parts |
10/06/1981 | US4292869 Unitary punch and die assembly |
08/26/1981 | EP0034406A1 Rotary die cutters |
08/18/1981 | US4283932 Toggle-actuated punch stripper |
07/28/1981 | US4280353 Machine with pneumatic stripping |
06/23/1981 | US4274316 Crank press blank holder and stripper mechanism |
04/14/1981 | US4261237 Rigidly supported molded plastics material punch guide and stripper |
03/24/1981 | US4257253 Stamping apparatus with improved ejection mechanism |
02/17/1981 | US4250730 Device for the ejection of a shaped workpiece at the male die on a cross-feed press for non-cutting metal shaping |
02/03/1981 | US4248111 Punch guide assembly |
01/06/1981 | US4242901 Hydraulic press with integral knockout and stroke control |
01/06/1981 | US4242900 Parts unloading mechanism |
09/30/1980 | US4224819 Internal gaseous fluid stripper for can bodymakers and the like |
09/30/1980 | CA1086635A1 Hydraulic press with integral knockout and stroke control |
09/23/1980 | CA1086214A1 Rigidly supported molded plastics material punch guide and stripper and method of making same |
08/05/1980 | US4215608 Punch stripper |
02/12/1980 | CA1071526A1 Adjusting device for slide driven lift out actuators |
01/08/1980 | CA1069385A1 Method and arrangement for fastening and centering punching tools |
12/18/1979 | CA1068170A1 Production of closed bottom shells |
10/09/1979 | CA1063924A1 Punch and stripper assembly |
09/04/1979 | US4166403 Method of making a rigidly supported molded plastics material punch guide and stripper |
08/21/1979 | US4164860 Internal gaseous fluid stripper for can bodymakers and the like |
04/24/1979 | US4150452 Punch stripper |
04/10/1979 | USRE29958 Punch and stripper assembly |
04/10/1979 | CA1052189A1 Articulated air lead-in linkage for can body maker |
03/27/1979 | CA1051229A1 Cam actuated ejector mechanisms for presses |
02/21/1979 | EP0000762A1 A punch stripper assembly and method of making same |
01/23/1979 | CA1046860A1 Stripping device for ironing presses |
10/24/1978 | US4121447 Stripping apparatus |
10/10/1978 | US4118968 Self cleaning progressive fin die with improved stripping means |
08/08/1978 | US4104941 Assembly for enabling close tolerance punching with a reusable system |
08/01/1978 | US4103413 Method and arrangement for fastening and centering punching tools |
06/27/1978 | US4096728 Adjusting device for slide driven lift out actuators |
06/20/1978 | US4095452 Can body stripper |
06/13/1978 | US4094182 Die apparatus for press machine |
06/06/1978 | US4092888 Self-stripping punch and guide assembly |
05/30/1978 | US4091700 Press-head |
04/25/1978 | US4085639 Blanking die and holder construction for punch presses |
03/14/1978 | US4078461 Trimming press having die movable to inactive position to facilitate scrap removal |
02/28/1978 | US4075963 Skeleton discharge mechanism for use with cupmaker blank and draw presses and the like |
01/17/1978 | US4068520 Cam actuated ejector mechanisms for presses |
01/17/1978 | US4068519 Unloader for press |
09/20/1977 | US4048889 Elastomeric stripper having metal head and stripping plates |
08/23/1977 | US4043168 Shell control manifold |
08/16/1977 | US4041817 Punch holder and stripper combination |
06/28/1977 | US4031787 Punch and stripper assembly |
05/24/1977 | US4024747 Apparatus for conveying punched-out components |
04/05/1977 | US4015495 Device for stripping waste from a sheet die cut on a platen press |
03/22/1977 | US4012975 High speed punching apparatus and tool therefor |
02/15/1977 | US4007653 Punching device with punch retainer |
02/15/1977 | US4007620 Metal container forming apparatus |
12/07/1976 | US3995469 Self cleaning progressive fin die with improved stripping means |
11/09/1976 | US3990289 Apparatus for stripping hollow articles from a press ram |
08/10/1976 | US3973454 Stripper insert and method of making and using the stripper insert |
08/03/1976 | US3972217 Deep drawing of cup-shaped article for easy removal from punch |
07/06/1976 | US3967482 Production of closed bottom shells |
06/29/1976 | US3965784 Blanking die and holder construction for punch presses |
05/11/1976 | US3955394 Stripping device for ironing presses |
04/27/1976 | US3952573 Articulated air lead-in linkage for can body maker |
04/20/1976 | US3951171 Self-pressure regulating air ejector |
03/16/1976 | US3943741 Embossing method |
03/16/1976 | US3943740 Tool pack for forming metallic containers |
02/24/1976 | US3939748 Hydraulic punch press with ram orienting mechanism |
02/17/1976 | US3938794 Caged spring unit |
02/10/1976 | US3937047 Structure and method facilitating stripping of seamless can body from ironing mandrel |
02/03/1976 | US3935772 Punching device having selectable pinch point clearance |
02/03/1976 | US3935771 Punch and stripping guide assembly |
02/03/1976 | US3935770 Punching press with tool exchanging means |
02/03/1976 | US3935724 Apparatus for stripping hollow articles off a press ram |