Process for preparing hollow metallic bodies

Details Process for preparing hollow metallic bodies Process for preparing hollow metallic bodies

1976-01-02

1978-11-28

White, Robert F.

Metal founding

Process

Shaping liquid metal against a forming surface

264 8, B01J 206

Patent

active

041271580

ABSTRACT:
A method of preparing hollow metallic bodies by contacting flat droplets of a molten metal with a liquid capable of readily gasifying at a temperature lower than the melting point of said metal. Upon contact the liquid gasifies under the flat droplets and the gas pushes up the center of the flat droplets. The edges of the droplets fall because the vapor near the edges goes around the edges. As the middle of the droplets rises the surface tension of the droplets brings the edges together thereby forming the hollow metallic body.

REFERENCES:
patent: 2189387 (1940-02-01), Wissler
patent: 3617587 (1971-11-01), Nayar
patent: 3719732 (1973-03-01), Diffenbach et al.
patent: 3761548 (1973-09-01), Winter
patent: 3829538 (1974-08-01), Darmara et al.
patent: 4028447 (1977-06-01), Talbert

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