Punch holder with stripper arrangement

Details Punch holder with stripper arrangement Punch holder with stripper arrangement

1991-10-11

1993-01-05

Watts, Douglas D.

Cutting

With product handling means

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

83140, 83698, B21D 4508, B26F 114

Patent

active

051760576

ABSTRACT:
A punch holder is described having a stripper arrangement composed of an annular array of nested coil springs housed within a series of aligned facing bores in a punch holder tang and punch holder body to generate a high stripping force in a compact space. A threaded removal ring is employed to force a press fitted stripper cap off the end of the punch holder body. A support ring can be employed to support the stripping cap for small sized punches, or a metal reinforcement molded into the stripper cap.

REFERENCES:
patent: 2867276 (1959-01-01), Taylor
patent: 3530750 (1970-09-01), Daniels
patent: 3670613 (1972-06-01), Rienzi
patent: 4041817 (1977-08-01), Nelson
patent: 4646599 (1987-03-01), Benedict
patent: 4929276 (1990-05-01), Chun et al.
patent: 4989484 (1991-02-01), Johnson et al.
patent: 5056391 (1991-10-01), Stewart

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