Method for molding fiber-reinforced plastic
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United States of America Patent
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Mar 27, 2018
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app pub date -
Oct 24, 2012
filing date -
Oct 24, 2012
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Abstract
The present invention relates to a method for molding fiber-reinforced plastic that is characterized: in comprising a process (1) for accommodating flowable grains comprising multiple particles in a flexible bag to form a core, a process (2) for interposing the core between fabric configured from fibers and placing the fabric and core inside a molding die, and a process (3) for injecting a resin into the molding die into which the fabric and core have been placed and curing; and in that, when performing the curing in process (3), a portion of one of the outer surfaces of the core is pressed and deformed by a pressing means to increase the internal pressure inside the core. The present invention provides a method for manufacturing fiber-reinforced plastics of excellent external appearance in which there are no defects such as wrinkles in the outer surface during forming using a core.
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