Evacuated thermal insulation

Details Evacuated thermal insulation Evacuated thermal insulation

1990-01-22

1992-01-28

Thomas, Alexander S.

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428 76, 428 68, B32B 106, B32B 516

Patent

active

050843206

ABSTRACT:
Aluminum silicate or mixtures of aluminum silicate and silica are utilized as insulating materials with low thermal conductivities. The aluminum silicate or the mixtures are dried, compressed, placed in a gas-tight envelope, evacuated and sealed. The resultant rigid, board-like panel can be used directly as thermal insulation or it can be used in conjunction with other insulating materials, for example, polyurethane foam.

REFERENCES:
patent: 3179549 (1965-04-01), Strong et al.
patent: 4159359 (1979-06-01), Pelloux-Gervais et al.
patent: 4636415 (1987-01-01), Barito et al.
patent: 4681788 (1987-07-01), Barito et al.
patent: 4713275 (1987-12-01), Riccitiello et al.
patent: 4814300 (1989-03-01), Helferich

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