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    • 23. 发明授权
    • Wire guide bushing and method of production
    • 导丝套管及生产方法
    • US4144616A
    • 1979-03-20
    • US850144
    • 1977-11-10
    • Charna GouldWilliam Gould
    • Charna GouldWilliam Gould
    • H02G3/08B65D55/00
    • H02G3/083Y10T16/05
    • A wire guide bushing includes a thin-walled nylon tube which is outwardly flared at its proximal end, the border of the flared portion being folded forwardly to overly the flared portion outer face and form a double thickness wall. The tube is peripherally outwardly bulged shortly forwardly of the flared portion and the bushing is applied merely by inserting the bushing in a panel opening and forcing it past the bulge to embrace the opening border between the peripheral bulge and flared portion. In producing the guide bushing the tube is partially nested in a well in a block with the flared portion outermost and a tool with a cylindrical shank and an enlarged head with a concave underface is inserted in the tube and pressed downwardly against the flared portion edge to outwardly peripherally bulge the tube between the block and flared portion.
    • 电线导引衬套包括薄壁尼龙管,其在其近端向外张开,喇叭形部分的边界向前折叠到过度扩张部分外表面并形成双重厚度壁。 该管在扩口部分的短边向外突出地向外凸出,并且衬套仅通过将衬套插入面板开口并且迫使其穿过凸起以包围外围凸起和扩张部分之间的开口边界而被施加。 在制造引导衬套时,将管部分嵌套在具有扩张部分最外侧的块中的井中,并且具有圆柱形柄的工具和具有凹形底部的扩大头部插入管中并向下压靠在扩张部分边缘上 在管和扩张部之间向外周向地凸出管。