Shell press and method for forming a shell

Details Shell press and method for forming a shell Shell press and method for forming a shell

2007-12-04

2007-12-04

Banks, Derris H. (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

C072S351000, C072S342300

Reexamination Certificate

active

11448211

ABSTRACT:
An apparatus and method for forming a shell with a central panel and a chuck wall is provided. The apparatus and method employ the use of a biasing member to selectively bias and control movement of the inner pressure sleeve and a die core having an outer diameter equal to or greater than the outer diameter of the punch core. The apparatus and method can also be employed in a single action press or a double action press.

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