Vacuum flask construction

Details Vacuum flask construction Vacuum flask construction

1984-06-08

1985-12-24

Norton, Donald F.

Bottles and jars

Multilayer barrier structure

Insulating material between spaced wall panels

220424, B65D 610

Patent

active

045600759

ABSTRACT:
A vacuum flask made from a molded plastic container and a molded plastic jacket which are sealingly and threadedly coupled together to define a vacuum space, the outer side of the wall of the container and the inner side of the jacket being provided with thin metal coating layers respectively.

REFERENCES:
patent: 2643021 (1953-06-01), Freedman
patent: 2818990 (1958-01-01), Sommerfeld
patent: 3048294 (1962-08-01), Osborn et al.
patent: 3225954 (1965-12-01), Herrick et al.
patent: 3828960 (1974-08-01), Walles

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