Heat insulator

Details Heat insulator Heat insulator

1984-09-26

1986-06-10

Thibodeau, Paul J.

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

428 71, 428 76, 428920, B32B 106, B32B 516

Patent

active

045942790

ABSTRACT:
A heat insulator comprises a vacuum-filled pliable container containing a mass of flaky pearlite particles. The flaky pearlite particles have a thickness not greater than 0.5 micrometer and an average particle size not greater than 100 micrometers.

REFERENCES:
patent: 3151365 (1964-10-01), Glaser et al.
patent: 4255489 (1981-03-01), Nielsen
patent: 4304824 (1981-12-01), Karpinski
patent: 4492725 (1985-01-01), Ishihara et al.

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