Process for the production of a hollow body of revolution and/or

Details Process for the production of a hollow body of revolution and/or Process for the production of a hollow body of revolution and/or

1974-07-24

1976-03-16

Larson, Lowell A.

29463, B21D 5124

Patent

active

039438678

ABSTRACT:
Process for the production of a hollow body of revolution and/or container including the successive steps of forming a dish-shaped blank by a non-cutting shaping operation, forming a bottom portion and an adjoining tubular portion from the blank by a turning operation, and stretching at least the upper part of the bottom portion and the tubular portion to form a convex bottom and pipe portion respectively to form the thin walled body of revolution.

REFERENCES:
patent: 1966713 (1934-07-01), Flint
patent: 2160975 (1939-06-01), Matter et al.
patent: 3046924 (1962-07-01), Kane
patent: 3109400 (1963-11-01), Paulton
patent: 3411334 (1968-11-01), Ernestus
patent: 3593552 (1971-07-01), Fraze
"POWER SPINNING Conical and Tubular Parts"; reprint from Product Engineering; Aug. 1956.

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