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    • 1. 发明授权
    • Method and apparatus for forming slide-fastener coupling element
    • 用于形成拉链联接元件的方法和装置
    • US5495655A
    • 1996-03-05
    • US263375
    • 1994-06-21
    • Koitsu Morioka
    • Koitsu Morioka
    • A44B19/06B21D53/52
    • B21D53/52A44B19/06Y10S83/921Y10T29/49785Y10T29/5117Y10T29/53291Y10T29/53304
    • A method and apparatus for forming a slide-fastener coupling element from a metal wire having a substantially Y-shaped cross section wherein a blank piece is cut or sliced off from the metal wire by a co-action between a cutoff die and a cutoff punch, and substantially at the same time, the metal wire is chamfered along a next cutting line by a chamfering edge so as to form a substantially V-shaped groove extending in and along the peripheral surface of a head portion of the metal wire and the outside surface of each of two opposed leg portion of the metal wire. The next slicing operation produces a blank piece which is already chamfered at its upper and lower peripheral edges extending along the peripheral surface of the head portion and the outside surfaces of respective leg portions of the blank piece. A finished coupling element shaped from the thus chamfered blank piece is smooth to touch and ensures smooth sliding movement of a slider which will guarantee smooth opening and closing operation of a slide fastener.
    • 一种用于从具有大致Y形横截面的金属线形成拉链联接元件的方法和装置,其中通过切断模和切断冲头之间的相互作用,从金属线切割或切掉坯件 并且基本上同时,金属丝通过倒角边缘沿着下一个切割线进行倒角,以便形成在金属丝的头部和外部的外周表面中延伸的大致V形的凹槽 金属线的两个相对的腿部中的每一个的表面。 下一个切片操作产生一个坯件,该坯件在其沿着头部的周边表面和坯件的各个腿部的外表面延伸的上周和下周缘处已被倒角。 从这样倒角的坯件成型的成品联接元件平滑地接触并确保滑块的平滑滑动运动,这将确保拉链的平滑的打开和关闭操作。