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    • 11. 发明申请
    • BLADDER WITH INVERTED EDGE SEAM AND METHOD OF MAKING THE BLADDER
    • 具有倒角边缘的刀片和制造刀片的方法
    • WO0170064A3
    • 2002-06-27
    • PCT/US0108205
    • 2001-03-15
    • NIKE INCNIKE INTERNATIONAL LTD
    • TAWNEY JOHN CHERRIDGE DAVID B
    • A43B13/20A43B21/28
    • A43B21/285A43B13/20A63B60/54Y10T156/1016Y10T428/1352Y10T428/231
    • A bladder (36) which is particularly useful for a sole assembly of a shoe is formed of multiple layers of barrier film to provide multiple pressurized layers of cushioning fluid or gas when the bladder is filled. A multiple gas layer bladder enhances cushioning response by relying more on the response characteristics of the gas and reducing the amount of foam and the dependence on foam as a cushioning material. The internal film layers (42,44) provide a truss-like geometry in cross section and act as tensile members to impart a generally smooth surface contour to the bladder. The bladder (36) is constructed to provide complex regionalized cushioning profiles which are coupled to the anatomy of the foot and expected loads at known points. The sidewalls of the bladder can be constructed with an inverted seam construction to eliminate finishing steps in the manufacture of cushioning bladders and alternatively to provide a clean, seamless appearance along the sidewalls. The inverted seam can be formed by attaching the peripheral edges of inner barrier layers (42,44) to the outer barrier layers (38,40) adjacent a weld between inner barrier layers to provide an inside-out inverted seam appearance. An inverted seam can also be formed by providing separate sidewall elements attached to the barrier layers of the bladder to provide a seam displaced from the center of the sidewall.
    • 特别可用于鞋底组件的气囊(36)由多层阻挡膜形成,以在气囊填充时提供缓冲流体或气体的多个加压层。 多层气囊通过更多地依靠气体的响应特性和减少泡沫量以及作为缓冲材料对泡沫的依赖性来增强缓冲响应。 内部膜层(42,44)在横截面上提供桁架状几何形状,并且用作拉伸构件以赋予膀胱大致平滑的表面轮廓。 膀胱(36)被构造成提供复杂的区域性缓冲轮廓,其耦合到脚的解剖结构和已知点处的预期载荷。 气囊的侧壁可以用倒置的接缝结构构造,以消除缓冲气囊的制造中的精加工步骤,或者替代地沿着侧壁提供清洁,无缝的外观。 可以通过将内部阻挡层(42,44)的外围边缘附接到邻近内部阻挡层之间的焊缝的外部阻挡层(38,40)而形成倒置接缝,以提供内向外的倒缝外观。 还可以通过提供附接到气囊的阻挡层的单独的侧壁元件来形成倒缝,以提供从侧壁的中心移位的接缝。