Heat insulating door wall structure

Details Heat insulating door wall structure Heat insulating door wall structure

1994-08-10

1996-05-28

Vo, Peter

Supports: cabinet structure

Spaced insulated wall

Refrigerator cabinet

312234, 49DIG1, 49504, E06B 300, A47B 9604

Patent

active

055204538

ABSTRACT:
The present invention relates to a heat insulating door wall structure for use in a refrigerator or the like. By constituting the surface of the door with a colored glass plate or the like having a transparent layer at its front surface and a colored layer at its reverse surface, a deep luster is provided by the transparent glass plate located before the colored layer. Owing to high rigidity of the glass plate, undulations that may be formed on the front surface of the door by contraction of a heat insulating material filled through expansion or foaming, or by warping of the door due to temperature differences between the exterior and interior of the door are advantageously prevented. Moreover, by increasing the strength of the door, reinforcing members of the door can be dispensed with, for a simple construction and a reduction in cost.

REFERENCES:
patent: 3793756 (1974-02-01), Kay et al.
patent: 4732432 (1988-03-01), Keil et al.
patent: 4844535 (1989-07-01), Farmont
patent: 4998382 (1991-03-01), Kostos et al.

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