Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1996-05-02
1998-06-23
Castellano, Stephen J.
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220422, 220423, 215 131, B65D 8118
Patent
active
057692629
ABSTRACT:
A thermally-insulated double-walled container is disclosed made of synthetic resin which is formed by joining together an inner container and an outer container in a unitary fashion to form a space therebetween; wherein a thermoinsulating layer is formed in the space between the inner container and the outer container by filling the space with at least one low thermoconductive gas selected from the group consisting of xenon, krypton, and argon; and wherein the inner container and the outer container are multilayer molded from different synthetic resin materials. The container provides an excellent gas-barrier capacity without requiring plating of the outer surface of the inner container or the inner surface of the outer container in the double walled container and maintains its mechanical strength over a long period of time and having an excellent thermoinsulating capacity. The container is suitable as a thermos, cooler box, ice cooler, thermoinsulated cup, insulated lunch box, or the like.
REFERENCES:
patent: 1165952 (1915-12-01), Dunlap
patent: 2643021 (1953-06-01), Freedman
patent: 3295709 (1967-01-01), Herrick et al.
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patent: 4674674 (1987-06-01), Patterson et al.
patent: 5678725 (1997-10-01), Yamada et al.
PTO 96-4460 Translation of Japan 62-085267, Jul. 1996.
PTO 96-4416 Translation of German G 85 05 501.8, Jul. 1996.
Itoh Seiichi
Kamachi Hidefumi
Komiya Yasuhiko
Tanaka Atsuhiko
Yamada Masashi
Castellano Stephen J.
Nippon Sanso Corporation
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