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    • 37. 发明授权
    • Method and apparatus for curing large composite panels
    • 固化大型复合板的方法和装置
    • US5968445A
    • 1999-10-19
    • US2685
    • 1998-01-05
    • Douglas A. McCarvilleDavid F. Taylor
    • Douglas A. McCarvilleDavid F. Taylor
    • B29C70/44
    • B29C70/44B29C2043/3657
    • A method and apparatus for curing large composite parts. The method utilizes a fiber metal mesh sheet (40) situated against a composite material(34) during a curing process. The fiber metal mesh sheet (40) provides a porous network for flow of the reaction by-products during a curing and vacuuming process, yet gives adequate structure to prevent both mark-off by vacuum ports (52, 70) and crushing of the porous network as a result of autoclave and vacuum pressure. External vacuum ports (52) are located in a bagging film (50) surrounding the composite material (34). Alternatively, vacuum ports (70) are located below the composite material (34). The use of the external vacuum ports (52), vacuum ports (70) located beneath the composite material (34), or both, shortens by-product flow path and provides adequate vacuum pressure over all areas of the composite material (34) to remove reaction by-products.
    • 一种固化大型复合材料零件的方法和装置。 该方法利用在固化过程中位于复合材料(34)上的纤维金属网片(40)。 纤维金属网片(40)为固化和抽真空过程中的反应副产物流提供了一个多孔网络,但提供了足够的结构,以防止真空口(52,70)的两个标记和多孔 由于高压灭菌和真空压力,网络化。 外部真空端口(52)位于围绕复合材料(34)的袋装薄膜(50)中。 或者,真空端口(70)位于复合材料(34)的下方。 使用位于复合材料(34)下方的外部真空端口(52),真空端口(70)或两者,缩短副产物流动路径并且在复合材料(34)的所有区域上提供足够的真空压力至 去除反应副产物。