Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1984-07-17
1985-09-17
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
72347, B21D 2200
Patent
active
045412650
ABSTRACT:
A process for forming an improved deep drawn and ironed metal shell for use as a pressure vessel having selectively controlled wall thicknesses to impart additional strength to predetermined portions of the improved metal shell. A stepped mandrel is utilized in conjunction with at least one ironing die to fabricate the improved metal shell.
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Dye Richard G.
Robichaud Arthur W.
Gilden Leon
Purolator Products Inc.
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