Triple action cupping tool

Details Triple action cupping tool Triple action cupping tool

1976-10-14

1977-08-23

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

113120H, B21D 2200

Patent

active

040431690

ABSTRACT:
A cupping tool for use in a double acting press to perform the operations of blanking, drawing and redrawing of sheet stock in predetermined timing sequence to form a cup during each stroke of the press and wherein the successive punching operations of telescoping, draw and redraw punches are governed by means of an automatic punch interlock means wholly enclosed within the body of the tool and actuated by relative movement of the draw punch and the tool body.

REFERENCES:
patent: 3405546 (1968-10-01), Hoffman et al.
patent: 3470725 (1969-10-01), Brown et al.
patent: 3786667 (1974-01-01), Garnett, Jr.
patent: 3855862 (1974-12-01), Moller
patent: 3967482 (1976-07-01), Kubacki et al.
patent: 3986382 (1976-10-01), Miller

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