Molding method using VaRTM process
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 1, 2016
app pub date -
Apr 26, 2016
filing date -
May 28, 2015
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Abstract
In a molding method using a VaRTM process in which a workpiece is impregnated with resin in a vacuum, the flow channel resistance or the thickness of which is not constant, an air-permeable sheet only permeable to gas and not permeable to resin (liquid) is arranged at the bottom surface of the workpiece to cover the total length of the workpiece in a direction in which the flow channel resistance or the thickness of the workpiece varies, to impregnate the resin.
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