Slug-retaining die

Details Slug-retaining die Slug-retaining die

1983-03-07

1985-05-14

Yost, Frank T.

Cutting

With product handling means

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

83345, 83685, 83690, B26F 114

Patent

active

045164509

ABSTRACT:
The die of a punch press is provided with at least one inwardly-extending protrusion elongated in the direction of travel of the punch and positioned to encounter and grip the edge of a punched slug of workpiece material during the punching step and to restrain the slug from following the punch during the retraction step of the punch.

REFERENCES:
patent: 2369896 (1945-02-01), Harris et al.
patent: 2404793 (1946-07-01), Dickerman
patent: 2604167 (1952-07-01), Oliver
patent: 3142115 (1964-07-01), Schaming
patent: 3296905 (1967-01-01), Killaly
patent: 3358538 (1967-12-01), Maceyka
patent: 3910213 (1975-10-01), Hoenig et al.
patent: 4048890 (1977-09-01), Aeschbach
patent: 4248111 (1981-02-01), Wilson et al.
patent: 4273015 (1981-06-01), Johnson

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