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    • 10. 发明申请
    • COMPLEX, COMPOSITE STRUCTURES AND METHOD AND APPARATUS FOR FABRICATING SAME FROM CONTINUOUS FIBERS
    • 复合材料,复合结构和方法以及从连续纤维制造相同的装置
    • WO2003016036A2
    • 2003-02-27
    • PCT/US2002/026178
    • 2002-08-16
    • BRIGHAM YOUNG UNIVERSITYJENSEN, David, W.
    • JENSEN, David, W.
    • B32B
    • E04H12/00B29C53/564B29C53/8016B29C53/8066B29C70/222D04C1/06D04C3/40D04C3/48D10B2403/02411D10B2505/02E04C3/28E04C3/291E04C3/46Y10T428/2913
    • A method and apparatus for fabricating a complex, three-dimensional structure (12), such as a truss, from composite fiber/resin includes pulling a plurality of continuous fibers (50) from a feed source (62) along a processing path (58) about a longitudinal axis (14). At least some of the fibers are wound around the longitudinal axis in opposite directions (70,72) by rotational elements to form helical and reverse helical components (30, 34) that intersect at nodes (26,28). Select nodes are engaged by engagement members (84) and are maintained radially outwardly from the longitudinal axis by a support frame (80) to create sequential discrete segments (22) in the helical and reverse helical components. The select nodes can be engaged and maintained from outside the helical and reverse helical components. Resin can be applied to the fibers by resin applicator (90) and cured. A three-dimensional structure (200) can be formed with one or more continuous fibers forming two or more different components (204, 206) of the structure and transitioning at transition nodes (207). A three- dimensional structure can be formed with the components including a sleeve ( 162) of braided fibers surrounding a core (163) of elongated fibers to reduce gaps.
    • 从复合纤维/树脂制造诸如桁架的复合三维结构(12)的方法和装置包括沿着处理路径(58)从进料源(62)拉动多个连续纤维(50) )围绕纵向轴线(14)。 至少一些纤维通过旋转元件以相反方向(70,72)围绕纵向轴线缠绕以形成在节点(26,28)处相交的螺旋形和反向螺旋形部件(30,34)。 选择节点由接合构件(84)接合并且通过支撑框架(80)从纵向轴线径向向外保持,以在螺旋和反向螺旋构件中产生顺序的离散段(22)。 选择节点可以从螺旋和反向螺旋组件的外部接合和维持。 树脂可以通过树脂施加器(90)施加到纤维上并固化。 可以用形成结构的两个或更多个不同组分(204,206)的一个或多个连续纤维形成三维结构(200)并在过渡节点(207)处转变。 三维结构可以形成有包括围绕细长纤维的芯(163)的编织纤维的套筒(162)以减少间隙的部件。