Hydrostatic forming device and process

Details Hydrostatic forming device and process Hydrostatic forming device and process

1996-02-15

1997-09-30

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 62, 72 63, B21D 2602, B21D 3908

Patent

active

056716290

ABSTRACT:
A device and process for hydrostatic forming is disclosed. The device for hydrostatically forming an article comprises an expandable bladder for shaping the article; a fluid for expanding the bladder; and a device for moving the fluid into the bladder for expanding the same. The fluid is heated prior to being moved into the bladder for raising the temperature of the article and lowering the yield strength of the article, thereby increasing the formability of the article.

REFERENCES:
patent: 2168641 (1939-08-01), Arbogast
patent: 3358487 (1967-12-01), Brejcha et al.
patent: 3394569 (1968-07-01), Smith
patent: 3529458 (1970-09-01), Butler et al.
patent: 3857265 (1974-12-01), Howeler et al.
patent: 4437326 (1984-03-01), Carlson
patent: 5085068 (1992-02-01), Rhoades et al.

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