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    • 8. 发明授权
    • Methods for forming composite stiffeners and reinforcing structures
    • 复合加强筋和加固结构的形成方法
    • US08226787B2
    • 2012-07-24
    • US11831759
    • 2007-07-31
    • Vernon M. BensonJason SlackTodd A. Rosevear
    • Vernon M. BensonJason SlackTodd A. Rosevear
    • B29C41/22
    • B29C70/388B29C70/504B29C70/545B29K2307/00B29K2901/10B29L2031/003Y10T156/1002Y10T156/1028Y10T156/1031Y10T428/24124Y10T428/24628Y10T428/249948Y10T428/24995
    • Apparatuses, systems and methods for forming elongated composite structural members are provided. One disclosed method includes providing a substantially elongated mandrel having an exterior surface exhibiting a desired geometry. A plurality of plies of fiber material preimpregnated with a thermosetting resin are laid up and pressed onto the mandrel, Pressing the plies of material may include passing one or more rollers over the mandrel and over the plurality of plies along a length of the mandrel. The roller or rollers may be at least partially complementary in shape with the mandrel while maintaining the plies of material in a substantially uncured state during the pressing. The method may include sequentially passing a plurality of rollers over the mandrel and the plies of material. The method may also include configuring a first roller to partially complementarily engage the mandrel and configuring another roller to substantially fully complementarily engage the mandrel.
    • 提供了用于形成细长复合结构构件的装置,系统和方法。 一种公开的方法包括提供具有呈现期望几何形状的外表面的基本上细长的心轴。 将多个预先用热固性树脂浸渍的纤维材料层叠放并压在心轴上。挤压材料层可以包括使一个或多个辊沿芯棒的长度方向穿过心轴并在多个层上方。 辊子或辊子可以与心轴在形状上至少部分互补,同时在压制期间保持材料层处于基本上未固化的状态。 该方法可以包括将多个辊顺序地通过心轴和材料层。 该方法还可以包括构造第一辊以部分地互补地接合心轴并且构造另一个辊以基本上完​​全互补地接合心轴。
    • 9. 发明授权
    • Compaction device for fiber placement using interdependent segment travel
    • 使用相互依赖的分段行程进行光纤放置的压实装置
    • US08042594B2
    • 2011-10-25
    • US11476455
    • 2006-06-28
    • Lloyd G. MillerDouglas G. HarrisVernon M. BensonKeith G. ShupeKevin L. Wade
    • Lloyd G. MillerDouglas G. HarrisVernon M. BensonKeith G. ShupeKevin L. Wade
    • B32B37/00
    • B29C70/382
    • A method and system for a fiber compaction device with interdependent segment travel is described. A compaction device structure supports a series of individual interdependent segments including a compaction surface. Each segment also includes an opening in which a presser member can be located. The presser members consist of either an elastomeric bladder filled with an incompressible fluid or individual pistons that are manifolded together with a fixed volume of incompressible fluid. The presser members create an interdependence in segment positions such that if one or more segments are displaced the others move to balance the segment positions. Having a fixed volume of incompressible fluid allows the segments to work interdependently, thus guaranteeing that the average section position will be the nominal position and eliminating the need for a fixed center section. The segments can conform to complexly shaped part surfaces and apply a uniform pressure against the entire surface to better compact material being drawn through the fiber compaction device.
    • 描述了具有相互依赖的段行进的纤维压实装置的方法和系统。 压实装置结构支撑包括压实表面的一系列单独相互依赖的段。 每个段还包括其中可以定位压脚构件的开口。 压脚构件由填充有不可压缩流体的弹性体囊体或与固定体积的不可压缩流体一起歧管的单个活塞组成。 压脚成员在段位置之间创建相互依赖关系,以便如果一个或多个段被移位,其他段移动以平衡段位置。 具有固定体积的不可压缩流体允许段相互依赖地工作,从而保证平均截面位置将是标称位置,并且不需要固定的中心部分。 这些片段可以符合复杂形状的部件表面并且对整个表面施加均匀的压力,以更好地压制通过纤维压实装置被拉伸的材料。