Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond
Patent
1990-06-04
1992-03-31
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including stitching and discrete fastener, coating or bond
139383R, 139384R, 139408, 428112, 428113, 428170, 428171, 428198, 428218, 428222, 428245, 428246, 428257, 428258, 428263, 428294, 428301, 428302, 428408, 428902, B32B 306, B32B 512, B32B 700, D03D 2300
Patent
active
051007134
ABSTRACT:
A reinforcing woven fabric comprising warps of reinforcing filamentary yarns arranged to form a high-density portion of warps and low-density portion of warps in the transverse direction and wefts of reinforcing filamentary yarns extending obliquely to the warps, a preformed material formed using a plurality of the reinforcing woven fabrics, a fiber reinforced composite material formed using the preformed material and a beam particularly suitable as the fiber reinforced composite material. The high-density portion of warps in the reinforcing woven fabric can satisfy the strength and rigidity against bending or tensile stress required for the flange of the beam and the obliquely extending wefts in the low-density portion of warps can satisfy the strength against shear stress required for the web of the beam, when a plurality of the reinforcing woven fabrics are laminated to form the preformed material for the beam. The mechanical properties required for the beam can be efficiently obtained.
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patent: 4177306 (1979-12-01), Schulz et al.
patent: 4320160 (1982-03-01), Nishimura et al.
patent: 4354532 (1982-10-01), Tsubata
patent: 4410577 (1983-10-01), Palmer et al.
patent: 4622254 (1986-11-01), Nishimura et al.
patent: 4750529 (1988-06-01), Watanabe
patent: 4782864 (1988-11-01), Abildskov
patent: 4786541 (1988-11-01), Nishimura et al.
patent: 4906506 (1990-03-01), Nishimura et al.
Note: U.S. Pat. 4,906,506 is equivalent to EP 02720836 submitted as prior art by the applicants.
Homma Kiyoshi
Nishimura Akira
Lesmes George F.
Toray Industries Inc.
Withers James D.
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