Fiber reinforced plastic sheet and producing the same

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524 14, 524 34, 524 35, 524434, 524435, 524436, 524437, 524492, 524493, 524494, 524495, 524496, 428298, 428301, 428302, C08J 504, D04H 142, C08K 704

Patent

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051944626

ABSTRACT:
This invention relates to a fiber reinforced plastic sheet having a gradient layer structure wherein the number of reinforcing fibers continuously varies. The fiber reinforced plastic sheet of the invention is excellent in smooth appearance, fluidity during molding to an article, fiber filling ability into a complex form portion of an article and mechanical strength and can be produced inexpensively.

REFERENCES:
patent: 1888410 (1932-11-01), Schacht
patent: 2765247 (1956-10-01), Graham
patent: 3936555 (1976-02-01), Smith, II
patent: 3952124 (1976-04-01), Mesek
patent: 4529644 (1985-07-01), Awano et al.

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