Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
Patent
1987-12-16
1990-03-06
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including grain, strips, or filamentary elements in...
428198, 428257, 428258, 428296, B32B 512
Patent
active
049065068
ABSTRACT:
A preformed material for use in fiber reinforced plastics is formed by laminating and integrally bonding a plurality of sheet-like substrates comprising reinforcing fibers. At least one of the laminated substrates is a woven fabric substrate having bonding material composed of a thermoplastic polymer pre-adhering to the substrate and extending substantially linearly along reinforcing yarns or auxiliary filamentary yarns of the substrate. Due to the bonding material the substrates of the preformed material are effectively bonded to each other even if the amount of the bonding material is small, no deterioration occurs in the arrangement and the distribution of the reinforcing fibers, no dislocation of the substrates occurs during a manufacturing process, and excellent characteristics of and a high productivity for forming the fiber reinforced plastics can be obtained.
REFERENCES:
patent: 4320160 (1982-03-01), Nishimura et al.
patent: 4388365 (1983-06-01), Hasegawa
patent: 4680213 (1987-07-01), Fourezon
patent: 4719144 (1988-01-01), Kamat
"Plastic Processing Technology Handbook," 7-30-75, Shinbunsha, p. 402.
Kito Kazuo
Nishimura Akira
McCamish Marion C.
Toray Industries Inc.
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