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    • 31. 发明申请
    • INTEGRATED COMPOSITE STRUCTURE
    • 综合复合结构
    • WO2007149547A2
    • 2007-12-27
    • PCT/US2007/014519
    • 2007-06-22
    • CARVER, Larry
    • CARVER, Larry
    • B41F5/04
    • B64F5/10
    • Composite structures for producing articles include a core encapsulated in a somewhat rigid material. Both the core and encapsulating material can comprise a temperature resistant material to limit or substantially prevent degradation of the composite material when exposed to relatively high temperatures, such as those typically experienced during autoclave curing processes. The rigid material can be a wear resistance material that forms durable external surfaces. The core is made, in whole or in part, of carbon foam and the encapsulating material can be made, in whole or in part, of carbon fibers in a matrix. The composite structures can form a mandrel assembly for fabricating at least a portion of a fuselage of an aircraft.
    • 用于制造制品的复合结构包括封装在稍硬的材料中的芯。 核心和封装材料都可以包括耐温材料,以限制或基本上防止当暴露于较高温度时复合材料的退化,例如在高压釜固化过程中通常经历的那些。 刚性材料可以是形成耐用的外表面的耐磨材料。 芯部全部或部分由碳泡沫制成,并且封装材料可以全部或部分地由基体上的碳纤维制成。 复合结构可以形成用于制造飞行器的机身的至少一部分的心轴组件。
    • 32. 发明申请
    • WAVE RELIEVING GEOMETRIC FEATURES IN STRUCTURAL MEMBERS THAT ARE RADIALLY EXPANDABLE INTO WORKPIECES
    • 波动可扩展到工作中的结构性成员中的几何特征
    • WO2007127399A2
    • 2007-11-08
    • PCT/US2007/010291
    • 2007-04-27
    • FATIGUE TECHNOLOGY, INC.GLENN, Douglas, W.
    • GLENN, Douglas, W.
    • F16B4/00B23P9/02
    • F16B4/004B23P9/025
    • A bushing with wave relieving geometric features includes a unique geometric end feature such as a countersink or arcuate surface, which creates a pocket, volume, and/or reservoir, to receive an amount of material that is extruded in a longitudinal direction during radial expansion of the bushing. At the mandrel exit side of the bushing, the extruded material may be accumulated from a propagating wave of material preceding a radial-expansion mandrel. At the mandrel entry side of the bushing, the extruded material may be caused by the radial force of the expansion mandrel near the unrestrained end surface at the entry side of the bushing. The unique geometric end features of the bushing may also include a high portion on the end surface of the bushing to direct the fastener clamp-up loads through the radial flange of the bushing and into the workpiece.
    • 具有波浪消除几何特征的衬套包括独特的几何端部特征,例如埋头孔或弧形表面,其产生口袋,体积和/或储存器,以容纳在径向膨胀期间在纵向方向上挤出的一定量的材料 衬套。 在衬套的心轴出口侧,挤出的材料可以从径向膨胀心轴之前的材料的传播波积聚。 在衬套的心轴入口侧,挤压材料可以由在轴套入口侧的无限制端面附近的膨胀心轴的径向力引起。 衬套的独特的几何端部特征还可以包括在衬套的端面上的高部分,以将紧固件夹紧负载引导通过衬套的径向凸缘并进入工件。