Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including interlaminar mechanical fastener
Patent
1994-01-05
1995-12-12
Withers, James D.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including interlaminar mechanical fastener
2807281, 428240, B60R 2116, B32B 516, D03D 300
Patent
active
054748364
ABSTRACT:
A non-coated and uncalendered polyester filament woven fabric useful for an air bag, having a low air permeability even after a dry or wet heat aging, includes a plurality of polyester multifilament warp and weft yarns having (1) a maximum thermal stress of 0.8 g/denier or less determined between room temperature and the melting point of the yarns, at a heating rate of 150.degree. C./min and at a fixed length of the yarn under an initial load of 0.08 g/denier, (2) a maximum thermal shrinkage of 25% or less determined between room temperature and the melting temperature of the yarn at a heating rate of 150.degree. C./min under an initial load of 0.08 g/denier without restricting the shrinkage of the yarns, (3) a limiting viscosity number of 0.80 to 0.95 dl/g determined in a concentration of 1.2 g/100 ml in o-chlorophenol at 25.degree. C., and (4) a content of terminal carboxyl groups of 5 to 35 equivalent per ton.
REFERENCES:
patent: 4921735 (1990-05-01), Bloch
patent: 4977016 (1990-12-01), Thornton et al.
patent: 5010663 (1991-04-01), Thornton et al.
patent: 5073418 (1991-12-01), Thornton et al.
patent: 5236775 (1993-08-01), Swoboda et al.
patent: 5296278 (1994-03-01), Nishimura et al.
Patent Abstracts of Japan, vol. 8, No. 182 (M-319)22 Aug. 1984 & JP-A-59075804 (Bridgestone).
Kumakawa Shiro
Nakagawa Hideo
Nishimura Kunio
Teijin Limited
Withers James D.
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