发明名称 Thermal expansion resin transfer molding
摘要 A method of forming a composite sandwich core molded article, including forming a thermo-elastic rigid foam core into a desired shape, wrapping the preformed foam core with a fabric, placing said wrapped preformed foam core in a mold whose inner confining surfaces form the shape of the final article, injecting a liquid thermosetting resin into the mold such that the thermosetting resin surrounds and wets the fabric wrapped about the preformed foam core, heating the mold to a temperature sufficient to expand the rigid foam core to compress the fabric wrapped surface of the foam core against the inner confining surfaces of the mold; and cooling the mold and removing the article from the mold.
申请公布号 US5061418(A) 申请公布日期 1991.10.29
申请号 US19890436776 申请日期 1989.11.15
申请人 TERTM, INC. 发明人 WARE, MAXIMILIAN
分类号 B29C43/32;B29C44/12;B29C70/86 主分类号 B29C43/32
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