METHOD AND APPARATUS FOR MANUFACTURING A FORMED ARTICLE OF A COMPOSITE MATERIAL
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United States of America Patent
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Issued Date -
Aug 25, 2022
app pub date -
Mar 17, 2021
filing date -
Mar 26, 2020
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Abstract
A method and apparatus for manufacturing a formed article of a composite material. The formed article is manufactured by heating and pressurizing a thermoplastic resin material and fabric material. The method includes a preforming process in which the material to be formed is put in a preforming mold with a release sheet arranged between the material and a part of the preforming mold. The material is heated and pressurized to impregnate the thermoplastic resin material into the fabric material, thus forming an impregnated intermediate material. Then, in a transport process the impregnated intermediate material in a heated state is taken out from the preforming mold with the release sheet left attached thereto, and transported. Finally there is a forming process in which the impregnated intermediate material is accommodated in the forming mold and the impregnated intermediate material is formed into the formed article of the composite material by pressurizing.
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