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    • 1. 发明专利
    • High performance sleeved interference fastener for composite application
    • 用于复合应用的高性能干扰紧固件
    • JP2012189222A
    • 2012-10-04
    • JP2012133101
    • 2012-06-12
    • Alcoa Global Fasteners Incアルコア グローバル ファスナーズ インコーポレイテッド
    • MARCH MICHAEL UARCINIEGA OVIEDO
    • F16B35/00B64C1/00F16B31/02F16B37/00
    • F16B33/00F16B5/02F16B19/05F16B35/041F16B35/048F16B39/026
    • PROBLEM TO BE SOLVED: To provide a fastener adapted to pass through aligned holes through workpieces.SOLUTION: The fastener includes a pin member having a transition portion wherein the diameter of the transition portion decreases radially as it extends from the smooth cylindrical shank portion to the threaded portion. The fastener also comprises a sleeve member and a clamping means. The clamping means includes a collar, a nut, or any other possible clamping means. In exemplary embodiments, the workpieces can be formed with a plurality of materials, the materials including composite, metallic, or composite/metallic structures, any combination thereof. In particular embodiments, the fastener has interference capability of 0.0127 to 0.254 mm (0.0005 to 0.0100 inches) in composite structures without risk of composite delamination or damage. As a result of the fastener interference, gaps between the fastener and the structure are eliminated thereby providing good electrical conductivity between components. As a result, the potential for electrical sparks is reduced, providing a safer fastener for use with aerospace applications.
    • 要解决的问题:提供一种适于穿过对准的孔穿过工件的紧固件。 解决方案:紧固件包括具有过渡部分的销构件,其中过渡部分的直径从平滑的圆柱形柄部分延伸到螺纹部分时径向减小。 紧固件还包括套筒构件和夹紧装置。 夹紧装置包括套环,螺母或任何其它可能的夹紧装置。 在示例性实施例中,工件可以由多种材料形成,所述材料包括复合材料,金属或复合/金属结构,其任何组合。 在具体实施方案中,紧固件在复合结构中具有0.0127至0.254mm(0.0005至0.0100英寸)的干涉能力,而没有复合分层或损坏的风险。 作为紧固件干涉的结果,消除了紧固件和结构之间的间隙,从而在部件之间提供良好的导电性。 因此,减少了电火花的可能性,为航空应用提供了更安全的紧固件。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Higher performance sleeved interference fastener for composite material application
    • 用于复合材料应用的高性能干扰紧固件
    • JP2008075876A
    • 2008-04-03
    • JP2007244140
    • 2007-09-20
    • Alcoa Global Fasteners Incアルコア グローバル ファスナーズ インコーポレイテッド
    • MARCH MICHAEL UARCINIEGA OVIEDO
    • F16B31/04F16B25/04F16B31/02F16B35/06
    • F16B33/00F16B5/02F16B19/05F16B35/041F16B35/048F16B39/026
    • PROBLEM TO BE SOLVED: To disclose a fastener engaged with aligned holes through workpieces. SOLUTION: The fastener comprises a pin member having a transition portion radially reduced in diameter to extend from a smooth cylindrical shank portion to a threaded portion. The fastener is provided with a sleeve member and a mounting means. The mounting means comprises a collar, a nut or any other possible mounting means. In one embodiment, a workpiece is formed of a plurality of materials, and the materials include composite, metallic, or metallic/composite structures or any combination thereof. In a specific embodiment, the fastener has interference performance of 0.0127-0.254 mm (0.0005-0.0100 inches) in composite structures without risk of composite delamination or damage. As a result of the fastener interference, gaps between the fastener and the structure are eliminated to provide good electrical conductivity between components. As a result, the potential for electrical sparks is reduced to provide a safer fastener for use with aerospace applications. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:公开通过工件与对准的孔接合的紧固件。 解决方案:紧固件包括销构件,该销构件具有径向减小的过渡部分,以从平滑的圆柱形柄部分延伸到螺纹部分。 紧固件设置有套筒构件和安装装置。 安装装置包括套环,螺母或任何其它可能的安装装置。 在一个实施例中,工件由多种材料形成,并且材料包括复合材料,金属或金属/复合结构或其任何组合。 在具体实施例中,紧固件在复合结构中具有0.0127-0.254mm(0.0005-0.0100英寸)的干涉性能,没有复合分层或损坏的风险。 作为紧固件干涉的结果,消除了紧固件和结构之间的间隙,以在部件之间提供良好的导电性。 结果,减少电火花的可能性,以提供用于航空航天应用的更安全的紧固件。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Two-piece free running prevailing torque nut
    • 两个免费运行预防扭矩螺母
    • JP2008170004A
    • 2008-07-24
    • JP2007320960
    • 2007-12-12
    • Alcoa Global Fasteners Incアルコア グローバル ファスナーズ インコーポレイテッド
    • HOCKING DAVIDFIELDS WILLIAM O JRMONTSERRAT ERNESTSILVER DAVID
    • F16B37/00F16B31/02F16B39/28F16B39/284
    • F16B29/00F16B39/28F16B39/36
    • PROBLEM TO BE SOLVED: To provide a two-piece nut satisfying required torque specification even if fluctuation in tolerance exists between the nut and a bolt in the two-piece nut.
      SOLUTION: In a threaded fastener with the two-piece nut member and the bolt with the nut member having a threaded nut member and a base member, the threaded nut member has a body portion and a neck portion, the neck portion engaging with a transition beginning engagement on the base member. The base member includes a transition portion, the diameter of the transition portion increasing radially as it extends axially from a cylindrical through bore portion to an increased diameter at an outer planer surface of the base member. Movement of the neck portion into the based member results in the threaded form having a compressive engagement with engaged threads of the bolt to provide the prevailing torque structure. The threaded nut member and the base member may be made of dissimilar materials, and is more flexible in use with various bearing surfaces.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:即使螺母和两件式螺母中的螺栓之间存在公差的波动,也提供满足所需扭矩规格的两件式螺母。 解决方案:在具有两件式螺母构件的螺纹紧固件和具有螺母构件的螺栓具有螺纹螺母构件和基座构件的螺纹紧固件中,螺纹螺母构件具有主体部分和颈部部分,颈部接合 在基础成员上开始接触过渡。 基部构件包括过渡部分,当其从圆柱形通孔部分轴向延伸到基部构件的外平面处的增加的直径时,过渡部分的直径径向增加。 颈部移动到基部件中导致螺纹形状与螺栓的接合螺纹压缩接合以提供主要的扭矩结构。 螺纹螺母构件和基座构件可以由不同的材料制成,并且在与各种支承表面一起使用时更灵活。 版权所有(C)2008,JPO&INPIT