Method and apparatus for ironing containers

Details Method and apparatus for ironing containers Method and apparatus for ironing containers

1977-10-11

1979-04-10

Larson, Lowell A.

Metal deforming

With temperature modification of tool or of specified...

Cooling

72347, 113120H, B21D 2220

Patent

active

041482085

ABSTRACT:
A process and apparatus for making a drawn and ironed container from a circular blank is disclosed herein. The process contemplates flowing a fluid medium through the punch of a drawing and ironing machine and maintaining the fluid medium at a predetermined temperature above the initial ambient temperature of a cup that is converted into a drawn and ironed container. The process also includes cooling the ironing dies by flowing a liquid through grooves located in the rings of the dies and the rings are made of tungsten carbide. The grooves in the ironing dies are non-radial with respect to the center of the opening in the ring so that the fluid has a tangential component of flow and flows in a generally circular pattern within the peripheral confines of the die opening.

REFERENCES:
patent: 3577753 (1971-05-01), Shah
patent: 3735629 (1973-05-01), Paramonoff

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