Configuration for paper punch pin

Cutting – Tool or tool with support – Cutting couple type

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Details

83689, B21D 2228

Patent

active

057300380

ABSTRACT:
A punch for punching holes in a stack of sheets of paper having a V-shaped groove with a height based on the thickness of the stack and the forces necessary to drive the punch pin of the punch through the stack of paper.

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Ostergaard, D.E., Advanced Diemaking, McGraw-Hill Book Company, pp. 72-73, publication date unknown.
Ostergaard, D.E., Basic Diemaking, McGraw-Hill Book Company, pp. 2, 3, 10-13, publication date unknown.

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