Vacuum insulation panel and method of preparing the same

Details Vacuum insulation panel and method of preparing the same Vacuum insulation panel and method of preparing the same

1998-09-30

2000-10-17

Thomas, Alexander

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428 76, 156286, 524041, B32B 106

Patent

active

061328375

ABSTRACT:
A method of preparing a vacuum insulation panel is disclosed. In the method of the present invention, a plurality of metal oxide-containing compacts, each of which contains less water than the amount of water contained therein at atmospheric equilibrium, are enclosed in a film that retards the passage of moisture therethrough. The film is breached and the metal oxide-containing compacts are positioned in an air-impermeable container at atmospheric pressure. The pressure is reduced in the air-impermeable container, and the air-impermeable container is sealed to form the vacuum insulation panel. Also disclosed is a vacuum insulation panel comprising a plurality of metal oxide-containing compacts disposed in an air-impermeable container, wherein the metal oxide-containing compacts contain less water than the amount of water contained therein at atmospheric equilibrium.

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