Patents for B21D 45 - Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass (3,285)
02/1983
02/01/1983US4370878 Workpiece ejector system for presses
01/1983
01/25/1983US4369682 Rotary die cutters having magnetically-attracted waste ejector
12/1982
12/21/1982US4364255 Controlled oriented discharge of cups from a blanking and forming press
11/1982
11/30/1982US4361413 Work feed apparatus in a press
11/09/1982US4358263 Press apparatus
09/1982
09/14/1982US4349310 Unloading device for a press
08/1982
08/10/1982US4343173 Double action cupper having improved can removal means
06/1982
06/01/1982US4332179 Combined punch retainer and fluid-actuated stripper
05/1982
05/04/1982US4327571 Die stripping apparatus
04/1982
04/27/1982US4326402 Stock lifter for progressive dies
03/1982
03/10/1982EP0047056A2 Power press arrangement
02/1982
02/23/1982US4316399 Combined punch retainer and fluid actuated stripper
02/17/1982EP0045956A2 Punching device
02/03/1982EP0045116A1 Method of releasing a wall-ironed sleeve from a wall-ironing mandril and wall-ironing mandril for carrying out the same
12/1981
12/22/1981US4306659 Automatic selection and delivery apparatus of assembled mechanical parts
11/1981
11/03/1981US4297870 Hydraulic press with integral knockout and stroke control
10/1981
10/20/1981US4295570 Automatic selection and delivery apparatus of assembled mechanical parts
10/06/1981US4292869 Unitary punch and die assembly
08/1981
08/26/1981EP0034406A1 Rotary die cutters
08/18/1981US4283932 Toggle-actuated punch stripper
07/1981
07/28/1981US4280353 Machine with pneumatic stripping
06/1981
06/23/1981US4274316 Crank press blank holder and stripper mechanism
04/1981
04/14/1981US4261237 Rigidly supported molded plastics material punch guide and stripper
03/1981
03/24/1981US4257253 Stamping apparatus with improved ejection mechanism
02/1981
02/17/1981US4250730 Device for the ejection of a shaped workpiece at the male die on a cross-feed press for non-cutting metal shaping
02/03/1981US4248111 Punch guide assembly
01/1981
01/06/1981US4242901 Hydraulic press with integral knockout and stroke control
01/06/1981US4242900 Parts unloading mechanism
09/1980
09/30/1980US4224819 Internal gaseous fluid stripper for can bodymakers and the like
09/30/1980CA1086635A1 Hydraulic press with integral knockout and stroke control
09/23/1980CA1086214A1 Rigidly supported molded plastics material punch guide and stripper and method of making same
08/1980
08/05/1980US4215608 Punch stripper
02/1980
02/12/1980CA1071526A1 Adjusting device for slide driven lift out actuators
01/1980
01/08/1980CA1069385A1 Method and arrangement for fastening and centering punching tools
12/1979
12/18/1979CA1068170A1 Production of closed bottom shells
10/1979
10/09/1979CA1063924A1 Punch and stripper assembly
09/1979
09/04/1979US4166403 Method of making a rigidly supported molded plastics material punch guide and stripper
08/1979
08/21/1979US4164860 Internal gaseous fluid stripper for can bodymakers and the like
04/1979
04/24/1979US4150452 Punch stripper
04/10/1979USRE29958 Punch and stripper assembly
04/10/1979CA1052189A1 Articulated air lead-in linkage for can body maker
03/1979
03/27/1979CA1051229A1 Cam actuated ejector mechanisms for presses
02/1979
02/21/1979EP0000762A1 A punch stripper assembly and method of making same
01/1979
01/23/1979CA1046860A1 Stripping device for ironing presses
10/1978
10/24/1978US4121447 Stripping apparatus
10/10/1978US4118968 Self cleaning progressive fin die with improved stripping means
08/1978
08/08/1978US4104941 Assembly for enabling close tolerance punching with a reusable system
08/01/1978US4103413 Method and arrangement for fastening and centering punching tools
06/1978
06/27/1978US4096728 Adjusting device for slide driven lift out actuators
06/20/1978US4095452 Can body stripper
06/13/1978US4094182 Die apparatus for press machine
06/06/1978US4092888 Self-stripping punch and guide assembly
05/1978
05/30/1978US4091700 Press-head
04/1978
04/25/1978US4085639 Blanking die and holder construction for punch presses
03/1978
03/14/1978US4078461 Trimming press having die movable to inactive position to facilitate scrap removal
02/1978
02/28/1978US4075963 Skeleton discharge mechanism for use with cupmaker blank and draw presses and the like
01/1978
01/17/1978US4068520 Cam actuated ejector mechanisms for presses
01/17/1978US4068519 Unloader for press
09/1977
09/20/1977US4048889 Elastomeric stripper having metal head and stripping plates
08/1977
08/23/1977US4043168 Shell control manifold
08/16/1977US4041817 Punch holder and stripper combination
06/1977
06/28/1977US4031787 Punch and stripper assembly
05/1977
05/24/1977US4024747 Apparatus for conveying punched-out components
04/1977
04/05/1977US4015495 Device for stripping waste from a sheet die cut on a platen press
03/1977
03/22/1977US4012975 High speed punching apparatus and tool therefor
02/1977
02/15/1977US4007653 Punching device with punch retainer
02/15/1977US4007620 Metal container forming apparatus
12/1976
12/07/1976US3995469 Self cleaning progressive fin die with improved stripping means
11/1976
11/09/1976US3990289 Apparatus for stripping hollow articles from a press ram
08/1976
08/10/1976US3973454 Stripper insert and method of making and using the stripper insert
08/03/1976US3972217 Deep drawing of cup-shaped article for easy removal from punch
07/1976
07/06/1976US3967482 Production of closed bottom shells
06/1976
06/29/1976US3965784 Blanking die and holder construction for punch presses
05/1976
05/11/1976US3955394 Stripping device for ironing presses
04/1976
04/27/1976US3952573 Articulated air lead-in linkage for can body maker
04/20/1976US3951171 Self-pressure regulating air ejector
03/1976
03/16/1976US3943741 Embossing method
03/16/1976US3943740 Tool pack for forming metallic containers
02/1976
02/24/1976US3939748 Hydraulic punch press with ram orienting mechanism
02/17/1976US3938794 Caged spring unit
02/10/1976US3937047 Structure and method facilitating stripping of seamless can body from ironing mandrel
02/03/1976US3935772 Punching device having selectable pinch point clearance
02/03/1976US3935771 Punch and stripping guide assembly
02/03/1976US3935770 Punching press with tool exchanging means
02/03/1976US3935724 Apparatus for stripping hollow articles off a press ram
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