Vacuum thermal insulating material and thermally insulating case

Details Vacuum thermal insulating material and thermally insulating case Vacuum thermal insulating material and thermally insulating case

1998-11-20

1999-12-14

Thomas, Alexander

Stock material or miscellaneous articles

Sheet including cover or casing

Filled with gas other than air; or under vacuum

B32B 106

Patent

active

060014504

ABSTRACT:
A vacuum thermal insulating material of the present invention and a thermally insulating case using the vacuum thermal insulating material are used as thermal insulation in, for example, refrigerators and freezers. The vacuum thermal insulating material has a core material including two or more different powders and an adsorbent. The vacuum thermal insulating material of the present invention has excellent performance of thermal insulation and is light in weight and manufactured at a low cost. The thermally insulating case of the present invention enables the performance of thermal insulation to be practically maintained over a long time period.

REFERENCES:
patent: 3655564 (1972-04-01), Barrington
patent: 3904539 (1975-09-01), Ruff
patent: 4379857 (1983-04-01), Hansen et al.
patent: 4579592 (1986-04-01), Loomis
patent: 4755313 (1988-07-01), Wahl et al.
patent: 4844960 (1989-07-01), Spriggs et al.
patent: 4873423 (1989-10-01), Takahashi

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