Process for producing fiber-reinforced resin moldings

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article

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264257, 264310, 2643287, 26432811, B29C 4502, B29C 4514, B29C 4534

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active

053645847

ABSTRACT:
A process for producing a fiber-reinforced resin molding, which includes placing a fiber reinforcement in the cavity of a mold composed of a top force and a bottom force; closing the mold, slanting the mold at an angle of 15.degree. to 90.degree. degrees, rejecting a liquid resin material into the cavity; curing the resin material; and after completion of curing, opening the mold to withdraw the molding therefrom, therein the inside of the cavity is brought into a pressurized state by a pressurized gas during the period after completion of injection of the liquid resin material till gelation of the resin material, and such a pressurized state is maintained until completion of curing.

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patent: 5093067 (1992-03-01), Gibson
patent: 5162092 (1992-11-01), Klobucar et al.
patent: 5244613 (1993-09-01), Hurley et al.

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