Insulation material

Details Insulation material Insulation material

1997-01-28

1998-11-17

Choi, Kathleen

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

Nonwoven fabric

Including strand or fiber material which is of specific...

442340, 442351, 428397, 428903, 428400, D04H 142, D04H 1300, D01D 5253

Patent

active

058376259

ABSTRACT:
Disclosed are fibrous structures comprised of shaped fibers wherein the thickness of the compressed fibrous structure at 1.00 psi is .gtoreq.1.3 times that of a similar compressed structure having the same area density and made from round cross section fibers of the same dpf as the shaped fibers. The invention is useful in articles such as coats, gloves, boats, shoes, etc. made using the structures disclosed herein. The surprising feature of structures according to the present invention is the thickness retention at high pressures. This retained thickness under pressure translates directly into decreased heat transfer or improved insulation.

REFERENCES:
patent: 3772137 (1973-11-01), Tolliver
patent: 4136222 (1979-01-01), Jonnes
patent: 4167604 (1979-09-01), Aldrich
patent: 4304817 (1981-12-01), Frankosky
patent: 4395455 (1983-07-01), Frankosky
patent: 4992327 (1991-02-01), Donovan
patent: 5043209 (1991-08-01), Boisse et al.
patent: 5102711 (1992-04-01), Keller et al.

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