Multi-part die assembly for forming a closed clip

Details Multi-part die assembly for forming a closed clip Multi-part die assembly for forming a closed clip

1979-12-07

1981-12-08

Crosby, Gene P.

Metal deforming

By relatively movable offset tool-faces

Embodying three or more coacting relatively movable tools

29776, 2924353, 72399, 72402, B21D 900

Patent

active

043041167

ABSTRACT:
An improved multi-part die assembly for forming a closed clip comprises a mounting structure, punch means, first and second gate-die members and simultaneous driving means. The punch means reciprocates toward and away from a clip-forming station on the mounting structure, and the gate-die members pivot toward and away from the clip-forming station. A crown die is defined on the punch means for cooperation with the crown of an open clip. First and second leg dies on the first and second gate-die members cooperate with the legs of the open clip. The simultaneous driving means drives the punch means and the first and second gate-die members simultaneously whereby the closed clip is formed by cooperation with the crown die and the leg dies.

REFERENCES:
patent: 1944251 (1934-01-01), Mansbendel
patent: 3621704 (1971-11-01), Schaeffer
patent: 3688553 (1972-09-01), Demler
patent: 3810495 (1974-05-01), Pack
patent: 3899913 (1975-08-01), Schlosser
patent: 3940841 (1976-03-01), Velarde

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