Apparatus for a toolpack cradle for the extrusion of aluminum ca

Details Apparatus for a toolpack cradle for the extrusion of aluminum ca Apparatus for a toolpack cradle for the extrusion of aluminum ca

1998-04-29

2000-04-11

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

B21D 2228

Patent

active

060475870

ABSTRACT:
An apparatus for a cooled toolpack cradle for the extrusion of aluminum cans. The apparatus comprises a toolpack having more than one tool. The apparatus further comprises a means for delivering aluminum cans into the toolpack. The apparatus further comprises a hardened steel block that is attached to the toolpack and to the base of the toolpack cradle to absorb extrusion forces on the toolpack during the extrusion of aluminum cans. The apparatus further comprises two independently adjustable wedges which by reciprocating means raise or lower the toolpack either uniformly or one end independent of the other. The apparatus further comprises means to preload the adjustment wedges to eliminate backlash. The apparatus further comprises a pad in the toolpack cover to provide the required downward clamping force with coolant passages that connect directly with coolant distribution rings with no intermediate hose connection. Sealing integrity is provided by the elastomer pad since it is in intimate contact with the rings.

REFERENCES:
patent: 2245573 (1941-06-01), Criley
patent: 3889509 (1975-06-01), Miller et al.
patent: 4852377 (1989-08-01), Mikas et al.
patent: 5617755 (1997-04-01), Cheers et al.

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