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    • 82. 发明授权
    • Method of manufacturing the hook portions of a statistical hook and loop
area fastener
    • 制造统计钩环区域紧固件的钩部的方法
    • US4003110A
    • 1977-01-18
    • US552291
    • 1975-02-24
    • Robert A. Bennett
    • Robert A. Bennett
    • A44B18/00D06C13/08D02G1/14
    • A44B18/0015Y10T24/2767
    • The hook sheet of a separable hook-and-loop area fastener is formed by weaving, looping or otherwise engaging with a backing sheet a continuous plastic filament, preferably of nylon or the like, which has been permanently crimped into a zig-zagged sawtooth configuration by passing the same between a pair of rotating oppositely sawtoothed forming rolls. The continuous plastic filament loops are preferably formed in a plurality of aligned rows so that a plurality of loops may be engaged by a common elongated knife edge and simultaneously cut. The loops preferably are large enough and the sawtooth formations small enough so that a plurality of sawteeth are provided in each loop. When cut, the zig-zag sawtooth monofilaments stand up perpendicular to the sheet support, and are provided with a plurality of hook-like formations. A loop pile sheet for engagement with the hook sheet may be conventional.
    • 可分离的钩环区域紧固件的钩片通过编织,环绕或以其它方式与背衬片接合而形成连续的塑料细丝,优选为尼龙等,其已经被永久地卷曲成锯齿形的锯齿形结构 通过使它们在一对旋转的相对锯齿形成辊之间。 连续的塑料丝线圈优选地以多个对齐的行形成,使得多个环可以由共同的细长刀刃接合并同时切割。 这些环优选地足够大,并且锯齿形状足够小,使得在每个环中提供多个锯齿。 当切割时,锯齿形锯齿状单丝垂直于片材支撑件竖起,并且设置有多个钩状结构。 用于与钩片接合的环形桩片可以是常规的。