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    • 2. 发明申请
    • APPARATUS AND METHOD FOR MANUFACTURING HOLLOW TUBULAR MEMBERS
    • 用于制造中空管状构件的装置和方法
    • US20100007064A1
    • 2010-01-14
    • US12420018
    • 2009-04-07
    • Clint H. Ashton
    • Clint H. Ashton
    • B29C49/44B29C49/00B29C49/20B29C49/06B29C49/28
    • B29C51/10B29C49/20B29C49/44B29C2791/006B29K2105/258
    • A method of forming hollow tubular members may include providing a mold defining a surface corresponding to a configuration of the hollow tubular member. A fabric material may be placed in the mold for bonding with a resin to form the hollow tubular member. A bladder may be placed in the mold next to the fabric material to form a substantially air tight region around the fabric material. A pump may be used to apply a sub-atmospheric pressure in the substantially air tight region and thereby press the fabric material against the mold. The sub-atmospheric pressure may also be used to draw the resin material into the mold in contact with the fabric material. Once the resin and fabric material have adequately cured, the hollow tubular member may be removed from the mold.
    • 形成中空管状构件的方法可以包括提供限定对应于中空管状构件的构造的表面的模具。 可以将织物材料放置在模具中以与树脂粘合以形成中空管状构件。 可以将囊状物放置在靠近织物材料的模具中,以在织物材料周围形成基本上气密的区域。 可以使用泵将大气压力施加在基本上不透气的区域中,从而将织物材料压靠在模具上。 次大气压力也可用于将树脂材料拉入与织物材料接触的模具中。 一旦树脂和织物材料已经充分固化,中空的管状构件可以从模具中取出。
    • 6. 发明授权
    • Hollow reinforced fiber structure formed by resin transfer molding
    • 通过树脂传递成型形成的中空增强纤维结构
    • US4808362A
    • 1989-02-28
    • US58106
    • 1987-06-04
    • Richard B. Freeman
    • Richard B. Freeman
    • B29C43/12B29C49/44B29C70/34B29C70/44B29C43/18
    • B29C49/44B29C70/342B29C70/443B29C43/12
    • A method of forming a hollow reinforced fiber structure includes the steps of providing fiber reinforced material around a flexible expandable member and placing the resulting package inside of a mold which includes inner surfaces conforming to the shape of the structure being formed. A second expandable means is included in the mold on both sides of the package. After the mold is closed, pressure is applied to force the second expandable means against the fiber reinforced material. Resin is injected into the fiber reinforced material. The pressure is then decreased in the second expandable means as inflatable member is expanded to force the fiber material to conform to the inner surfaces of the mold. The fiber material is then cured to form the structure.
    • 形成中空增强纤维结构的方法包括以下步骤:在柔性可膨胀构件周围提供纤维增强材料,并将所得包装放置在模具内,该模具包括符合所形成结构形状的内表面。 第二可膨胀装置包括在包装两侧的模具中。 在模具关闭之后,施加压力以迫使第二可膨胀装置抵靠纤维增强材料。 将树脂注入纤维增强材料中。 然后当可膨胀构件膨胀以迫使纤维材料与模具的内表面一致时,第二可膨胀装置中的压力降低。 然后将纤维材料固化以形成结构。