Apparatus for simultaneously forming a cap member with internal

Details Apparatus for simultaneously forming a cap member with internal Apparatus for simultaneously forming a cap member with internal

1981-08-31

1983-11-22

Combs, Ervin M.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

10 76R, 10152R, 72355, 72356, 72399, B21D 2220, B21D 5324, B21K 156

Patent

active

044161425

ABSTRACT:
An apparatus and process is disclosed for forming a cap-like member from a blank of material. The apparatus comprises a die for shaping the cap-like member. A device is provided to co-act with the die for simultaneously forming both the member and internal threads within the member.

REFERENCES:
patent: 1048584 (1912-12-01), Rich
patent: 1378980 (1921-05-01), Rockwood et al.
patent: 2349037 (1944-05-01), Gibbs
patent: 2400961 (1946-05-01), Thayer
patent: 2429376 (1947-10-01), Stagmeier
patent: 3006003 (1961-10-01), Johnson, Jr.
patent: 3748674 (1973-07-01), Powell et al.

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