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    • 1. 发明申请
    • METHODS AND SYSTEMS FOR FABRICATING COMPOSITE PARTS USING A SMP APPARATUS AS A RIGID LAY-UP TOOL AND A BLADDER
    • 使用SMP装置作为刚性复合工具和膀胱来制造复合部件的方法和系统
    • WO2012064447A2
    • 2012-05-18
    • PCT/US2011/055571
    • 2011-10-10
    • SPIRIT AEROSYSTEMS, INC.KYSAR, RandyFIEGENBAUM, Carl RayPICKELL, Kristin
    • KYSAR, RandyFIEGENBAUM, Carl RayPICKELL, Kristin
    • B29C61/06B29C53/82B29C70/46
    • B29C70/44B29C33/485B29C53/587B29C53/824
    • A method and apparatus for fabricating a composite part, such as a fuselage or internal stiffener, with a shape memory polymer (SMP) apparatus usable as both a rigid lay-up tool and as a bladder. The SMP apparatus may be heated until malleable, shaped, and then cooled in a desired rigid tool configuration. For example, cavities may be formed into the SMP apparatus for nesting components therein to co-bond or co-cure with the composite part. The composite material may be applied onto the SMP apparatus in the rigid tool configuration and then placed into a rigid external tool and heated to composite cure temperatures at which the SMP apparatus is malleable. A pressure differential may be induced which urges the SMP apparatus to compress the composite material against the rigid external tool. When the composite material is cured, the SMP apparatus may be urged away from the cure composite material and removed from within the composite part.
    • 用于制造具有形状记忆聚合物(SMP)装置的复合部件(例如机身或内部加强件)的方法和装置,所述形状记忆聚合物(SMP)装置既可用作刚性铺叠工具又可用作气囊。 SMP设备可以被加热直到延展,成形并且然后以期望的刚性工具构造冷却。 例如,可以在SMP设备中形成腔体,用于在其中嵌套组分以与复合部件共同结合或共固化。 复合材料可以以刚性工具构造施加到SMP装置上,然后放置到刚性外部工具中并加热到SMP装置可延展的复合固化温度。 可以诱发压力差,其促使SMP装置抵抗刚性外部工具压缩复合材料。 当复合材料固化时,SMP设备可以被推离固化复合材料并从复合部件内移除。
    • 3. 发明申请
    • COMPOSITE MATERIAL PLACEMENT
    • 复合材料放置
    • WO2009102531A2
    • 2009-08-20
    • PCT/US2009/031254
    • 2009-01-16
    • SPIRIT AEROSYSTEMS, INC.BLONIGEN, Bradley, John
    • BLONIGEN, Bradley, John
    • B29C70/28B29C70/06
    • B29C53/582B29C53/66B29C70/386B29K2707/04Y10T428/298
    • A method of applying a length of discontinuous fiber material to a surface comprises placing the material between a roller and the surface, urging the roller toward the surface such that the roller causes at least a portion of the length of discontinuous fiber material to engage the surface, and applying the length of discontinuous fiber material to the surface by moving one of said roller and said surface relative to the other such that the roller rolls along an application path of said surface. The application path may include one or more curves, wherein a first portion of the material lengthens relative to a second portion of the material, thereby allowing the material to lay evenly against the surface through the one or more curves without separating from the surface.
    • 将一定长度的不连续纤维材料施加到表面的方法包括将材料放置在辊和表面之间,将辊推向表面,使得辊使得不连续纤维材料的长度的至少一部分与表面接合 并且通过使所述辊和所述表面中的一个相对于另一个将所述不连续纤维材料的长度施加到所述表面,使得所述辊沿着所述表面的施加路径滚动。 应用路径可以包括一个或多个曲线,其中材料的第一部分相对于材料的第二部分延长,从而允许材料通过一个或多个曲线均匀地铺设在表面上而不与表面分离。