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    • 5. 发明授权
    • Method and apparatus for vacuum transfer molding
    • 真空传递成型的方法和装置
    • US5811041A
    • 1998-09-22
    • US910100
    • 1997-08-13
    • Mike Snow
    • Mike Snow
    • B29C45/02B29C45/63
    • B29C45/63B29C45/02
    • Method and apparatus for manufacturing void free products using vacuum transfer molding. The method comprises evacuating gas from a preheated resin mixture in an injection accumulator assembly before injection into a mold. The apparatus includes a fixed upper platen assembly supporting an injection accumulator assembly having appended thereto a gas exhausting means and a feed material holding canister on its upper surface and an upper match mold portion on its lower surface. The movable lower platen assembly supports a lower match mold portion on its upper surface and is supported by a plurality of hydraulic cylinders of a bottom plate assembly. The platen assemblies include a sandwich of a press plate, an insulating fiber board and an internally heated platen.
    • 使用真空传递模塑制造无空隙产品的方法和装置。 该方法包括在注射到模具中之前将预先加热的树脂混合物中的气体从注射蓄能器组件排出。 该装置包括固定的上压板组件,其支撑着注射蓄能器组件,其上附有气体排出装置和在其上表面上的进料材料保持罐和在其下表面上的上匹配模具部分。 可移动的下压板组件在其上表面上支撑下匹配的模具部分,并且由底板组件的多个液压缸支撑。 压板组件包括压板的三明治,绝缘纤维板和内部加热的压板。