Punch holder with stripper arrangement

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 28/34 (2006.01) B21D 45/00 (2006.01)

Patent

CA 2079530

ABSTRACT OF THE DISCLOSURE A punch holder is described having a stripper ar- rangement 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.

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