Redraw sleeve for can body making station

Details Redraw sleeve for can body making station Redraw sleeve for can body making station

1998-04-01

1999-09-07

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

B21D 2228

Patent

active

059469641

ABSTRACT:
A redraw die for a can body maker incorporates an undercut sidewall, a grooved face and a reduced radius at the intersection between the grooved face and the sidewall. The undercut side wall is positioned proximate to the grooved face so as to permit a cup positioned over the redraw die to flex into an ovoid shape without pinching or binding against the side of the redraw sleeve. These features help prevent the formation of wrinkles when the cup is drawn and ironed in the body maker.

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