Thermal insulation box

Details Thermal insulation box Thermal insulation box

1992-10-02

1993-12-14

Dorner, Kenneth J.

Supports: cabinet structure

Spaced insulated wall

Refrigerator cabinet

312263, 220614, 220620, 220682, 220689, F25B 4700

Patent

active

052696022

ABSTRACT:
A partitioning member is provided at the opening of a thermal insulation box having outer and inner boxes forming a space in between the outer and inner boxes. The two spaces communicate with each other and are filled integrally with a thermal insulation material by injecting into the space between the outer and inner boxes an expandable thermal insulation material, which diffuses into the space inside the partitioning member, to thereby provide in a simple and economical way a thermal insulation box having a small number of components and uniform thermal insulation.

REFERENCES:
patent: 2837900 (1958-06-01), Harle
patent: 3726578 (1973-04-01), Armstrong
patent: 3868152 (1975-02-01), Dixon
patent: 4330310 (1982-05-01), Tate, Jr. et al.
patent: 4399666 (1983-08-01), Sakutori
patent: 4580852 (1986-04-01), Smitte et al.
patent: 4586348 (1986-05-01), Nakayama et al.
patent: 5174640 (1992-12-01), Kuwahara et al.

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