Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond
Patent
1981-07-02
1983-11-22
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including stitching and discrete fastener, coating or bond
280610, 428109, 428110, 428111, 428113, 428257, 428285, 428292, 428408, 428426, B32B 306
Patent
active
044169299
ABSTRACT:
A structural fabric of high torsion resistance and stiffness is provided. The fabric is a three-layered double biased fabric, the first layer being comprised of parallel structural fibers biased from the longitudinal center line of the fabric, the middle layer being comprised of parallel structural fibers of twice the weight of the fibers of the first layer and aligned at an angle of 90.degree. to those of the first layer and a third layer of parallel structural fibers of the same weight as those of the first layer and aligned at 90.degree. to those of the second layer. The fibers and layers may be held in place and affixed by use of secondary knitted or sewn yarns or threads, and the entire fabric may be saturated with a curable resin.
REFERENCES:
patent: 3600259 (1971-08-01), Smith et al.
patent: 3819461 (1974-06-01), Saffadi
patent: 3819469 (1974-06-01), Balch et al.
patent: 3935354 (1976-01-01), Olcott
patent: 3983281 (1976-09-01), Wakeman
patent: 4071647 (1978-01-01), McMullen
patent: 4298645 (1981-11-01), Obayashi et al.
patent: 4320160 (1982-03-01), Nishimura et al.
Bell James J.
Proform, Inc.
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