发明授权
- 专利标题: Mold liners for resin transfer molding
- 专利标题(中): 用于树脂传递成型的模具衬垫
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申请号: US904190申请日: 1992-06-25
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公开(公告)号: US5226997A公开(公告)日: 1993-07-13
- 发明人: Paul A. Vallier
- 申请人: Paul A. Vallier
- 申请人地址: CT Hartford
- 专利权人: United Technologies Corporation
- 当前专利权人: United Technologies Corporation
- 当前专利权人地址: CT Hartford
- 主分类号: B29C31/08
- IPC分类号: B29C31/08 ; B29C43/12 ; B29C70/44 ; B29C70/46 ; B29C70/54
摘要:
A preform assembly for use with a resin transfer molding apparatus. The preform comprises an upper liner formed to the shape of a first mold half, the upper liner having a peripheral portion, a dry fabric preform, and a lower liner formed to the shape of a second mold half, the lower liner having a peripheral portion. The preform is sandwiched between the upper liner and lower liner to form the preform assembly having peripheral portions which extend beyond the preform to form a sealing area. The upper liner is sealed to the lower liner at the sealing area. The preform assembly facilitates the loading of the preform into a molding apparatus as well as facilitating the handling and storage of the preform prior to and subsequent to molding. Methods of making the preform assembly, as well as a composite article, are also disclosed
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