Apparatus for improving wear life of rotary die cutter anvil cov

Details Apparatus for improving wear life of rotary die cutter anvil cov Apparatus for improving wear life of rotary die cutter anvil cov

1979-05-15

1980-12-23

Schran, Donald R.

Cutting

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

With tool speed regulator

83338, 83347, 83561, 83 38, B23D 2512, B26D 156

Patent

active

042403120

ABSTRACT:
A method and apparatus for extending the useful life of resilient covers on anvil rolls of rotary die cutters by causing the die cutting rules to penetrate the covers at sequential incrementally small circumferentially spaced locations around the cover by adding to the speed of rotation of the anvil roll relative to the speed of the die holder roll. Lateral reciprocation of the anvil roll is translated to rotary motion by a gear and pivot lever arrangement, such rotary motion being added to the normal speed of the anvil roll.

REFERENCES:
patent: 3272047 (1966-09-01), Ward
patent: 3832926 (1974-09-01), Leaseburge et al.
patent: 3882745 (1975-05-01), Garrett et al.
patent: 3899945 (1975-08-01), Garrett et al.
patent: 4063493 (1977-12-01), McEvers et al.

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