Punch press with hydraulically actuated stripper

Details Punch press with hydraulically actuated stripper Punch press with hydraulically actuated stripper

1975-11-03

1977-06-21

Abercrombie, Willie G.

Cutting

With product handling means

Means to move, guide, or permit free fall or flight of product

83390, 83461, 83639, B26D 702, B26F 102

Patent

active

040303918

ABSTRACT:
A punch press in which pressure fluid which is introduced into a chamber is used to press a stripper against a workpiece and also to retract a piston which carries a punch. The pressure of the pressure fluid in the chamber is maintained at a substantially constant but selectively adjustable magnitude.

REFERENCES:
patent: 2716451 (1955-08-01), Taylor
patent: 3084580 (1963-04-01), Schmid
patent: 3564959 (1971-02-01), Harada
patent: 3722337 (1973-03-01), Brolund et al.

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