Apparatus for continuously forming opposed C-shaped cuts in plas

Details Apparatus for continuously forming opposed C-shaped cuts in plas Apparatus for continuously forming opposed C-shaped cuts in plas

1975-09-08

1976-05-18

Yost, Frank T.

Cutting

Cutting motion of tool has component in direction of moving...

Orbital motion of cutting blade

83660, 83678, 83698, B26F 120

Patent

active

039569560

ABSTRACT:
Opposed C-shaped cuts can be made in plastic film in a continuous manner by passing the film between a punch roll bearing specially designed punches and a mating roll having wells for receiving the punches. The special design of the punches overcomes the problem of stretching and tearing of the film normally encountered in attempting to make such cuts in plastic film using a rotary punch.

REFERENCES:
patent: 3005370 (1961-10-01), Nye
patent: 3525280 (1970-08-01), Pavesi
patent: 3546742 (1970-12-01), Kugler

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