Forming of metal articles

Details Forming of metal articles Forming of metal articles

1985-08-23

1987-02-24

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Shaping by direct application of fluent pressure

72 63, B23D 1700, B21D 2210

Patent

active

046446265

ABSTRACT:
Metal articles are shaped by contacting a metal blank with a diaphragm of plastically deformable metal which may be superplastic aluminium and urging the diaphragm against the blank and against a mould so that the diaphragm and body are deformed. The mould may be male or female. Thin metal articles of complex shape may be made easily and cheaply.

REFERENCES:
patent: 2317869 (1943-04-01), Walton
patent: 2344743 (1944-03-01), Smith, Jr.
patent: 3021803 (1962-02-01), Lacey, Jr.
patent: 3566650 (1971-03-01), Johnson
patent: 4145903 (1980-03-01), Leach et al.
patent: 4193285 (1979-03-01), Zumsteg
patent: 4409809 (1983-10-01), Buchanan
patent: 4559797 (1985-12-01), Raymond

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