Method and apparatus for press-cutting various patterns

Details Method and apparatus for press-cutting various patterns Method and apparatus for press-cutting various patterns

1986-06-17

1988-11-08

Schran, Donald R.

Selective cutting (e.g., punching)

Methods

234 97, 234 98, 83 13, 83687, 83691, B21D 2826

Patent

active

047829982

ABSTRACT:
A method and apparatus for press-cutting selected patterns in a workpiece. The apparatus includes a plurality of dies and at least one punch element associated with each die. A plurality of backing plates are provided to drive the punch elements against the workpiece when the backing plates are positioned in the operative position. A press-cutting pattern selector selectively positions the backing plates in the operative position or an inoperative position depending upon the pattern to be press-cut.

REFERENCES:
patent: 1313699 (1919-08-01), Kavanagh
patent: 3175484 (1965-03-01), Bone
patent: 3392913 (1968-07-01), Neilsen

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