High R super insulation panel

Details High R super insulation panel High R super insulation panel

1990-09-06

1992-03-10

Thomas, Alexander S.

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428 74, 428 75, 428 76, B32B 106, B32B 1704

Patent

active

050948997

ABSTRACT:
An insulation panel comprises a mineral fiber board having a density between 8 and 28 pounds per square foot, the fibers having no organic binder thereon, and between 5 and 40 percent by weight of particulate material packed in the interstices of the board, and a gas-tight envelope encapsulating the board, the envelope being evacuated to a vacuum between 10.sup.-4 Torr and 10 Torr.

REFERENCES:
patent: 4359496 (1982-11-01), Kratel et al.
patent: 4486482 (1984-12-01), Kobayashi et al.
patent: 4669632 (1987-06-01), Kawasaki et al.
patent: 4798753 (1989-01-01), Abuaf et al.

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