Matches 1 - 28 out of 28


Match Document Document Title
6619542 Stamping apparatus having replaceable dies  
A stamping device includes a base body; an elongated punch having a longitudinal axis; a supporting arrangement for holding the punch in the base body and for guiding the punch for axial...
5743164 Automatic reconfigurable die  
An automatic reconfigurable die having an array of knives, each of which is separately pivoted and extended along and about a respective longitudinal axis, to allow a desired contour to be scored...
5233895 Magnetic plate punch actuator  
A punch station for punching ceramic green sheets comprises a magnet plate and two flux guide plates to form the flux field within which a coil of wire resides and acts to cause the punching...
5106017 Pneumatic film punch  
The invention is an improvement to punches for placing one or more openings on the edge of a sheet of material. A collection of individual punch pins are carried within bores in a punch block....
4685613 Reciprocable tool mounting module  
A module for selectively deploying a reciprocable tool, such as a hole punch, which is reciprocated by a press. The module includes a housing which is attached to the ram of the press. The housing...
4674372 Hole punch  
A pneumatically actuated hole punch which employs a ball and die punching arrangement in which the ball is free floating and the punching impact is between the ball and the plunger rather than...
4596359 Device for punching hole in cards  
A punching device for punching coded key cards and the like comprising a plurality of punches, each of which is selectively movable in respective guide. Balls of ferromagnetic material are...
3528603 MASS RESONANT TRANSDUCER  
3509323 TAPE CONTROL DEVICE  
3471083 PUNCH CARD METER READING DEVICE  
3460753 SPRING ACTUATOR ARRANGEMENT  
3392912 Electropneumatic reproduction of music roll  
3350003 Fluid controlled actuating mechanism  
3301477 Punching system  
3299761 Punch assembly  
3282206 Hydraulically actuated print hammer for high speed printers  
3228227 Means for punching  
3228509 Pneumatically operated data processing system  
3191858 Keypunch input with repeat readout incorporating fluid amplifying means  
3156148 Data processing card punching  
3122039 Fluid amplifier with automatic reset of the power stream  
3107050 Punching mechanisms  
3096015 Ball perforator  
3066859 Hydraulic actuator  
3064881 Punching apparatus  
3059842 Card punch  
2936831 Composing machine  
2813481 Record-impressing apparatus  
Matches 1 - 28 out of 28