Heat insulating box

Details Heat insulating box Heat insulating box

1994-12-02

1998-01-13

Seidleck, James J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428421, 4284242, 4284258, B65D 8118

Patent

active

057077002

ABSTRACT:
A heat insulating box, such as a refrigerator box, comprises a heat insulator and a box member that is in contact with the heat insulator. The heat insulator is formed of a urethane foam using either HCFC-123 (CHCl.sub.2 CF.sub.3) or HCFC-141b (CH.sub.3 CCl.sub.2 F) or both as a forming agent, and the box member is formed of an acrylonitrile/ethylene-.varies.-olefinic rubbery polymer/styrene resin (A/epdm/S resin), an acrylonitrile/alkyl acrylate ester rubbery polymer/styrene resin (ASA resin), a mixture of an A/epdm/s resin and an ASA resin, or a mixture of an ASA resin with an acrylonitrile/butadiene/styrene resin.

REFERENCES:
patent: 5229457 (1993-07-01), Kamoshita et al.
patent: 5248546 (1993-09-01), Greenlee

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