Stock material or miscellaneous articles – Sheet including cover or casing – Filled with gas other than air; or under vacuum
Patent
1982-11-01
1984-04-24
Thibodeau, Paul J.
Stock material or miscellaneous articles
Sheet including cover or casing
Filled with gas other than air; or under vacuum
220421, 220450, 428 74, 428 75, 428 76, 428285, 428286, 428920, B32B 104, B32B 702
Patent
active
044448210
ABSTRACT:
A vacuum thermal insulation panel comprises a pair of laminated plastic and aluminum sheets together with a plastic edge strip sealed to the edges of the sheets so as to define an evacuable volume in which a glass fiber mat is disposed. The insulation panel of the present invention takes advantage of the light-weight, low cost and low thermal conductivity of plastic materials to form an evacuable volume into which a glass fiber insulating mat is disposed for support of the panel which is evacuated to provide improved thermal insulation. Additionally, a gas permeation barrier is employed on the edge strip of the panel to minimize gas permeation at its edges. A metal foil layer provides gas permeation protection through the large surface areas of the sheets themselves.
REFERENCES:
patent: 2939811 (1960-06-01), Dillon
patent: 3004877 (1961-10-01), Simms et al.
patent: 3264165 (1966-08-01), Stickel
patent: 3309844 (1967-03-01), Hemstreet et al.
patent: 3936553 (1976-02-01), Rowe
patent: 4172915 (1979-10-01), Sheptak et al.
Schreck Raymond M.
Young James R.
Davis Jr. James C.
General Electric Company
Snyder Marvin
Steinberg William H.
Thibodeau Paul J.
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