Thermally insulated double-walled synthetic resin container and

Details Thermally insulated double-walled synthetic resin container and Thermally insulated double-walled synthetic resin container and

1996-09-10

1999-05-18

Pollard, Steven

Receptacles

Receptacle side wall made of two or more layers of material...

Hollow side wall

220 6222, B65D81/00

Patent

active

059042648

ABSTRACT:
A thermally insulated double-walled synthetic resin container having a thermal insulator layer filled with a low thermal conductivity gas, wherein the inner container and the outer container are formed from a chemical resistant resin, a hole portion is provided at the enter of the bottom wall of the outer container, this hole portion is sealed by a sealing panel formed from chemical resistant resin; a protrusion portion is formed on the thermal insulator layer side of the bottom central portion of the outer container and a depression portion aligned with the center of the protrusion portion is formed on the reverse side of this protrusion portion; or a metallic thin film layer is formed on the surfaces facing the thermal insulator layer aside from the area around the mouth; as a result of which the thermally insulated double-walled synthetic resin container is provided with exceptional thermal insulation capabilities and strength.

REFERENCES:
patent: 4258695 (1981-03-01), McCarton et al.
patent: 4770318 (1988-09-01), Earl
Patent Abstracts of Japan, vol. 95, No. 007, Aug. 31, 1995 and JP 07 101475 A (Nippon Sanso KK), Apr. 18, 1995 (Abstract).

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