Fiber reinforced plastic flat plates

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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428248, 428251, 428414, 428415, 428416, 428424, 428431, 428443, 428458, 427 44, 427173, 156272, 156242, 156164, 264 25, 264166, 264289, 264231, B32B 3128

Patent

active

040727920

ABSTRACT:
A fiber reinforced plastic (FRP) flat plate having no warps is continuously prepared by curing a continuous FRP plate molding material both top and back surfaces of which are covered with film-like sheetings by means of an ionizing radiation. In the process, the FRP molding material is continuously transported in lengthwise direction, and tensions are given to said film-like sheetings in both lengthwise and widthwise directions before and in the course of the irradiation.

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patent: 3810816 (1974-05-01), Zachariades
patent: 3867153 (1975-02-01), MacLachlan
patent: 3930098 (1975-12-01), Araki et al.
patent: 3958072 (1976-05-01), Araki et al.

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