Closure device or screen for a refrigerator case

Details Closure device or screen for a refrigerator case Closure device or screen for a refrigerator case

1983-12-27

1986-04-08

Zugel, Francis K.

Receptacles

Closures

With seal means biased by internal pressure

312284, B65D 5500

Patent

active

045806934

ABSTRACT:
A closure device consisting of a screen for a refrigerator case such as an open-top chest or a display case. In its closed position, the device performs the function of a heat-insulating barrier against reheating by convection. In its open position, the device performs the function of a shield against reheating by radiation. The screen structure can be inflated with air or with a fluid having lower density than air. The device can thus be displaced with great ease and can be maintained in its open shielding position by a maximum number of two lightweight supports.

REFERENCES:
patent: 2518764 (1950-08-01), Dunlap
patent: 3064725 (1962-11-01), Roark

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