Punches and dies for trimming the edges of strip material

Details Punches and dies for trimming the edges of strip material Punches and dies for trimming the edges of strip material

1990-02-23

1991-07-30

Yost, Frank T.

Cutting

With product handling means

Including means to form or hold pile of product pieces

83213, 83693, 83917, B26F 102, B26F 112

Patent

active

050351630

ABSTRACT:
Punch and die combinations are disclosed for trimming the edges of strip material. The die openings and the punches have trapezoidal cross-sections so that they form trapezoidal notches in the edge of the strip and produce trapezoidal or, in one instance, parallelogram-shaped, slugs. By virtue of the fact that the die openings and punches have a trapezoidal cross-section, the slugs produced when the edge of the strip is trimmed are pushed into the die openings and passageways extending from the die openings and stacked in an orderly manner so that close packing of the slugs with resulting jamming does not take place.

REFERENCES:
patent: 2064796 (1936-12-01), Gray
patent: 2279390 (1942-04-01), Ekstedt et al.
patent: 4497196 (1985-02-01), Bakermans et al.
patent: 4809576 (1989-03-01), Bakermans et al.
patent: 4821615 (1989-04-01), Bakersmans et al.

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