Stock material or miscellaneous articles – Sheet including cover or casing – Filled with gas other than air; or under vacuum
Patent
1979-03-16
1981-04-14
Lesmes, George F.
Stock material or miscellaneous articles
Sheet including cover or casing
Filled with gas other than air; or under vacuum
428 72, 428166, 428 76, 428156, 428188, 428 34, 156147, 5456, 52 2, B32B 320, E04B 180
Patent
active
042620457
ABSTRACT:
The invention introduces a cellular air bag insulator and its uses in insulating a house window, a house door, a house wall and process equipment, such as an evaporator, a refrigerator and a distillation column. A cellular air bag insulator is a light weight insulator and comprises an outer enclosed bag and an expansible and collapsible multicompartment core such as a honeycomb structure joined to the outer bag. It can easily be inflated and deflated. When it is inflated, multitude of horizontal air compartments in multilayers are formed in the bag to provide a high resistance to heat transfer through the bag by reducing convective flow of air within the bag and by requiring the heat to pass through the multilayers of air compartments. When it is deflated, it occupies a rather small volume and can be rolled up or folded into a compact form that is convenient to handle and store. When a cellular air bag insulator is inflated, its edges press against the walls of a confining frame and/or its front surface press against the surface to be insulated to prevent air flow around the insulator. There is no need for an elaborate mounting frame or special brackets.
REFERENCES:
patent: 1984653 (1934-12-01), Palmer et al.
patent: 2288170 (1942-06-01), Moeller
patent: 2604641 (1952-07-01), Reed
patent: 3619340 (1971-11-01), Jones
patent: 3648306 (1972-03-01), Auerbach
Cheng Chen-Yen
Cheng Wu-Cheh
Lesmes George F.
Thomas Alexander S.
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