Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1976-08-09
1978-08-15
Wolk, Morris O.
Metal founding
Process
Shaping liquid metal against a forming surface
164123, 165186, 266120, 428402, B01J 118, F28F 1300
Patent
active
041069056
ABSTRACT:
A process for providing a thermal insulating cover of discrete particles for a container of fluids involves forming a plurality of hollow interior, discrete, ceramic particles, firing the particles at a temperature of at least 350.degree. C and then covering the heated liquid with at least a 1/8 inch thick layer of the fired particles. A potentially improved ceramic thermal insulating particle is also described and contains a hollow interior with a plurality of partitions.
REFERENCES:
patent: 2303122 (1942-11-01), Heineman
patent: 2553759 (1951-05-01), Gerger
patent: 2599268 (1952-06-01), Maculan
patent: 2926988 (1960-03-01), Hurley
patent: 3290231 (1966-12-01), Ries et al.
patent: 3612155 (1971-10-01), Matsuyama
patent: 3633666 (1972-01-01), Sparks
patent: 3978269 (1976-08-01), Martin
Dahlen Richard R.
Lindblad David A.
Schmitt Joseph J.
Alexander Cruzan
Minnesota Mining and Manufacturing Company
Okubo Edward T.
Phillips Roger F.
Sell Donald M.
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