RTM METHOD

专利名称：RTM METHOD

发明人：YAMAMOTO Kohnosuke,TSUJI

Seiji,WATANABE Kazuya

申请号：EP13751599.5申请日：20130221公开号：EP2818294B1公开日：20190410

摘要：An RTM method, which injects and impregnates resin from a plurality ofinjection ports into a preform placed inside the cavity of a molding die, wherein theplurality of injection ports are disposed in first positions in the central section of thecavity corresponding to positions of the preform located in a product area of an articleto be finally molded and second positions located in the periphery of the cavitycorresponding to positions outside the product area of the article to be finally moldedor corresponding to positions inside the cavity but outside the preform area, and thetimings for closing the injection ports after resin injection are made to be different fromeach other between the injection ports of the first positions and of the second positions.In an RTM method that injects resin from a plurality of injection ports, the invention isable to achieve both high-velocity resin impregnation and improvement of the quality ofa molded article.

代理机构：Hoefer & Partner Patentanwälte mbB

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