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Primary Examiner: Larson, Lowell A.
Assistant Examiner:
Attorney: Craig & Antonelli

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

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.

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Other info:

Inventors: Erfurt, Horst-Lothar (Furstenfeldbruck, DT)
Kreft, Holger (Karlsfeld, DT)
Tronsberg, Walter (Munich, DT)

Application Number: 491371
Filing Date: 1974-07-24
Publication_date: 1976-03-16
Assignee: Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft (DT)
Primary Class(es): 29/463
Other Classes:
US Patent Ref:

1966713	Jul, 1934	Flint	29/463.
2160975	Jun, 1939	Matter et al.	113/120.
3046924	Jul, 1962	Kane	72/85.
3109400	Nov, 1963	Paulton	72/83.
3411334	Nov, 1968	Ernestus	72/84.
3593552	Jul, 1971	Fraze	113/120.

Other Refs: Other References: "POWER SPINNING Conical and Tubular Parts"; reprint from Product Engineering; Aug. 1956.