Insulation for sleeping bags and similar items

Details Insulation for sleeping bags and similar items Insulation for sleeping bags and similar items

1996-08-26

1998-08-25

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

5413R, 428166, 428920, A47G 900

Patent

active

057981663

ABSTRACT:
The insulating fiber includes regular synthetic fiber batting which is additionally shaped with ridges and/or peaks to allow the use of the inherent mechanical strength of the fiber to create large or macro-scale pockets of dead air space without a proportional increase in weight.

REFERENCES:
patent: 3707009 (1972-12-01), Wagner
patent: 3900648 (1975-08-01), Smith
patent: 4090269 (1978-05-01), Hunt
patent: 4843664 (1989-07-01), Farnworth
patent: 4910055 (1990-03-01), Wigutow
patent: 4985951 (1991-01-01), Lacotte
patent: 5027458 (1991-07-01), Osczevski
patent: 5033135 (1991-07-01), Creek
patent: 5274846 (1994-01-01), Kolsky
patent: 5670238 (1997-09-01), Earl et al.

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