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    Toe guard for footwear, process for its manufacture, and footwear so made
    22.
    发明授权
    Toe guard for footwear, process for its manufacture, and footwear so made 失效
    鞋类的鞋头，制造过程和如此制造的鞋子

    公开(公告)号：US4862606A

    公开(公告)日：1989-09-05

    申请号：US189178

    申请日：1988-05-02

    申请人： Leland B. M. Siskind ,  William A. Samaha ,  Thayer S. Warshaw

    发明人： Leland B. M. Siskind ,  William A. Samaha ,  Thayer S. Warshaw

    IPC分类号： A43B3/00 ,  A43B23/08

    CPC分类号： A43B23/086 ,  A43B3/0026

    摘要： An improved toe guard for footwear and footwear so made are disclosed. The toe guard is non-metallic, reducing thereby risks associated with electrical shocks and the detonation of land mines. Preferably, the final composite from which the toe guard is molded is produced from an intermediate composite that is extruded while molten in strips from a die at the same time that fibers are advanced through the die together with and enveloped by the extruded strips. These strips are cut into predetermined lengths and the resulting sections are mixed and compacted in their molten state to provide the composite for the toe guard, this composite being such that the fiber is distributed in groups, adjacent increments of the strands of a given group being substantially parallel, but the strands of different groups being at random angles with respect to each other. Preferably, the toe guard is formed with a long top portion to provide protection extending beyond the toes. The toe guard either is formed with no flange, with a flange of various widths or with a full bottom portion. In either case, the improved toe guard allows for the use of more comfortable footwear while maintaining and even improving its built-in protective safety feature. The footwear incorporating the improved toe guard can be of any design and construction, including welted, cemented or injection molded.

    摘要翻译： 披露了如此制作的鞋类和鞋类的改进后卫。 脚趾护卫是非金属的，从而减少与电击和地雷爆炸相关的风险。 优选地，由趾部防护件成型的最终复合材料由中间复合材料制成，该中间复合材料在从模具中以条带熔融的同时被挤出，同时纤维通过模具一起前进通过模具并与被挤出的条带包围。 将这些条切割成预定长度，并将所得部分在其熔融状态下混合和压实，以提供用于趾部保护的复合材料，该复合材料使得纤维分成几组，给定组的相邻增量为 基本平行，但是不同组的股线相对于彼此是随机的。 优选地，脚趾保护件形成有长的顶部，以提供超出脚趾的保护。 脚趾保护罩也不形成法兰，具有各种宽度的法兰或全底部。 在任一种情况下，改进的脚趾保护装置允许使用更舒适的鞋类，同时保持并甚至改进其内置的保护安全功能。 结合改进的脚趾护罩的鞋子可以是任何设计和结构，包括焊接，胶合或注射成型。

    Safety footwear and manufacture thereof
    23.
    发明授权
    Safety footwear and manufacture thereof 失效
    安全鞋及其制造

    公开(公告)号：US3837026A

    公开(公告)日：1974-09-24

    申请号：US40447373

    申请日：1973-10-09

    申请人： UNIROYAL INC

    发明人： WHITE J

    IPC分类号： A43B23/08 ,  A43D

    CPC分类号： A43B23/086

    摘要： Disclosed are an article of safety footwear, a method of making the same, and a safety toe cap assembly adapted to be used in making such footwear. The article of safety footwear has a rigid, crush-resistant toe cap located in its toe region and having its outer surface bonded to the interior of the upper of the footwear article, a cushioning layer of resilient, compressible cellular (open-celled or closed cell or having both open and closed cells) cured elastomeric polymeric material, typically formed of opencelled cured cellular polyurethane, covering and being bonded to the inner surface of the toe cap, and a lining of stretchable fabric having a low coefficient of friction covering and being bonded to the inner surface of the cushioning layer. The method of the invention is particularly characterized by the fact that it enables safety footwear to be manufactured at high production rates in marked contrast to conventional methods of making safety type footwear in which many hand fitting operations are normally involved.

    摘要翻译： 公开了一种安全鞋类物品，其制造方法以及适于用于制造这种鞋类的安全鞋头帽组件。 安全鞋类物品具有位于其脚趾区域中的刚性，抗压趾帽，并且其外表面粘合到鞋类物品上部的内部，弹性可压缩细胞（开放式或封闭式）的缓冲层 电池或具有开孔和闭孔）固化的弹性体聚合物材料，通常由开孔固化的聚氨酯形成，覆盖并结合到趾帽的内表面，以及具有低摩擦系数的可拉伸织物的衬里 并且粘合到缓冲层的内表面。 本发明的方法特别地特征在于，与通常涉及许多手工操作的安全型鞋类的常规方法形成鲜明对比的是，能够以高生产率制造安全鞋。