Vacuum flask

Details Vacuum flask Vacuum flask

1978-02-17

1983-08-23

Ross, Herbert F.

Bottles and jars

Multilayer barrier structure

Insulating material between spaced wall panels

220410, 220420, 220441, 126443, A47J 4102

Patent

active

043999190

ABSTRACT:
In a flask comprising a closed vessel with double walls enclosing a vacuum, layers of substances capable of absorbing light-rays and/or of selectively acting upon light-rays are applied to enable more radiant energy to reach the space enclosed by the inner wall than that space can radiate to the outside. Thus an increasing amount of heat is supplied to the space enclosed by the inner wall, and cold matter introduced into that space is heated. The effect of the light-rays can be increased by designing part of a protective jacket of the flask so that it is capable of being swung open and of acting as a reflector in that position.

REFERENCES:
patent: 1989999 (1935-02-01), Niederle
patent: 3225954 (1965-12-01), Herrick
patent: 3331522 (1967-07-01), Bridges
patent: 3863794 (1975-02-01), Hata
patent: 3939834 (1976-02-01), McMahon
patent: 3987781 (1976-10-01), Nozik
patent: 4138027 (1979-02-01), Frye
patent: 4156420 (1979-05-01), Gunderson

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