Combined thermal and acoustic insulator

Details Combined thermal and acoustic insulator Combined thermal and acoustic insulator

1996-04-03

1998-06-16

McCamish, Marion E.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Including a free metal or alloy constituent

442381, 442394, 428332, 428340, B32B 1514

Patent

active

057670242

ABSTRACT:
A combined thermal and acoustic insulator comprises a first metallic material layer formed, for example, from a metal foil, a fibrous low density material batt layer adjacent the first metallic layer, a high density plastic material layer, for example, a mass loaded elastomer, adjacent the batt material layer, and a second metallic foil layer. The first metallic material layer forms the heat exposed side and the second metallic layer forms the shielded side of the insulator. Alternatively, additional layers may be provided, for example, a third foil layer adjacent the fibrous material layer and a second fibrous layer between the third metal foil layer and the first metal foil layer.

REFERENCES:
patent: 4101704 (1978-07-01), Hiles
patent: 4367259 (1983-01-01), Fulmer et al.
patent: 4430286 (1984-02-01), Franz
patent: 4539252 (1985-09-01), Franz
patent: 4663065 (1987-05-01), Herring
patent: 4671979 (1987-06-01), Adiletta
patent: 4681816 (1987-07-01), Hashimoto et al.
patent: 4777086 (1988-10-01), Madden et al.
patent: 5400296 (1995-03-01), Cushman et al.

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