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    • 32. 发明授权
    • Method and apparatus for fabricating corrugated composite stiffeners
    • 用于制造波纹复合加强板的方法和装置
    • US06926656B2
    • 2005-08-09
    • US10925454
    • 2004-08-25
    • Slade H. GardnerRonald L. Price
    • Slade H. GardnerRonald L. Price
    • B29C53/28B29C70/30B31F1/20
    • B29C53/28B29C70/30Y10T156/1002Y10T156/1016
    • An apparatus and method for fabricating corrugated composite stiffeners provides a base tool having grooves formed in an outer surface and a roller having a rotating shaft and a removable, lobed, elastomeric member surrounding the shaft. The lobes of the elastomeric member form a radial array around the shaft and match the contours of the grooves in the base tool. A section of prepreg fabric is placed between the roller and the base tool, and the roller is rotated to sequentially engage the lobes with the grooves, the lobes pressing the fabric into the grooves, the fabric conforming to the contours of the grooves. Several layers of fabric are applied, then the elastomeric member is released from the shaft, laid out flat, and placed on the fabric on the base tool, the lobes locating in the grooves. The base tool, fabric, and elastomeric member are enclosed in a vacuum bag and heated to cure the fabric.
    • 用于制造波纹复合加强件的装置和方法提供了具有形成在外表面中的凹槽的底座工具和具有围绕该轴的旋转轴和可拆卸的,有裂纹的弹性体构件的滚子。 弹性体构件的凸起形成围绕轴的径向阵列,并与基座工具中的凹槽的轮廓相匹配。 将预浸织物的一部分放置在辊和基础工具之间,并且使辊旋转以顺序地将凸起与凹槽接合,凸角将织物压入槽中,织物符合凹槽的轮廓。 应用几层织物,然后将弹性构件从轴上释放出来,铺设成平坦的,并放置在基础工具上的织物上,凸起位于凹槽中。 将基础工具,织物和弹性体构件封闭在真空袋中并加热以使织物固化。
    • 39. 发明授权
    • Method for making a non-rigid laminar core
    • 制造非刚性层状芯的方法
    • US3989789A
    • 1976-11-02
    • US554760
    • 1975-03-03
    • Rex D. Brookhart
    • Rex D. Brookhart
    • B29C53/24B29C53/28B29D24/00B32B3/28B29D7/22
    • B32B3/28B29C53/24B29C53/28B29D24/002B29K2105/06
    • A woven cloth of flexible material is masked to expose only longitudinal spaced stripes. A plastic polymer is applied to the exposed material. The striped cloth is draped over spaced supports that are transverse to the stripes. Depressors are applied to the cloth between the supports so that the cloth is substantially sinusoidal in crosssection. The cloth is cured to harden the stripes so that the cloth is still flexible in one direction but only slightly flexible in the other. The cloth is warped, bent or otherwise shaped as desired for application to it of laminar sheets of cloth, metal or wood, then the core and the laminates are joined, impregnated and cured to a rigid structure of desired configuration and high strength to weight ratio.
    • 屏蔽柔性材料的编织布以仅暴露纵向间隔的条纹。 将塑料聚合物施加到暴露的材料上。 条纹布在与条纹横向的间隔开的支撑上。 将抑制剂施加到支撑件之间的布上,使得布在横截面上基本上是正弦的。 该布被固化以硬化条纹,使得布在一个方向上仍然是柔性的,但在另一个方向上仅稍微柔性。 布料根据需要翘曲,弯曲或以其他方式成形,以适用于布,金属或木材的层状片材,然后将芯和层压材料连接,浸渍并固化成具有所需构型和高强度与重量比的刚性结构 。