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    • 33. 发明授权
    • Apparatus and a method for forming space sections in a slide fastener
chain having coupling elements in the form of continuous coil
    • 用于在拉链链中形成具有连续线圈形式的耦合元件的空间部分的装置和方法
    • US4510662A
    • 1985-04-16
    • US452614
    • 1982-12-23
    • Masao MatsumotoShigeru Imai
    • Masao MatsumotoShigeru Imai
    • A44B19/12A44B19/42A44B19/44A44B19/58B21D53/50A41H37/06
    • A44B19/58Y10T29/49782Y10T29/5101Y10T29/53309
    • The present invention concerns a slide fastener making machine designed to produce space sections of required span devoid of coupling elements at predetermined intervals in the interengaged slide fastener chain and a method for the same.The present apparatus includes: die means facing the fastener tapes for supporting the slide fastener chain horizontally; punch means disposed on the coupling elements side and being reciprocably movable toward the coupling element, said punch means having at the end surface a pair of laterally spaced apart cutting edges for cutting the upper leg portion of the pair of interengaged coupling elements at the connecting reversed portion side of the sewing thread and a gripping projection disposed centrally between the pair of the cutting edges for pressing the upper leg portions adjacent the interengaging head portions of the interengaged coupling elements; ejector means disposed in the die means reciprocably movable toward the gripping projection of the punch means, said punch means being upwardly movable in response to the upward movement of the ejector means while the upper leg portions adjacent to the interengaging head portions of the interengaged coupling elements is gripped between the edge of the ejector means and the gripping projection of the punch means; and means for holding the pair of fastener tapes. The coupling elements cut by the cutting edges or the dismembered coil fragments are suitable flattened by the gripping projection of the punch and the ejector so that they are released of the clinching tension of the sewing thread and get loose enough to be pulled out easily.
    • 本发明涉及一种拉链制造机,其设计用于在相互接合的拉链链中以预定间隔产生没有联接元件的所需跨距的空间部分及其方法。 本装置包括:面向拉链带的模具装置,用于水平地支撑拉链; 冲头装置设置在联接元​​件侧并且可朝向联接元件往复运动,所述冲头装置在端面处具有一对横向间隔开的切削刃,用于在连接反向处切割一对相互接合的联接元件的大腿部分 所述缝合线的一部分侧面和夹在所述一对切削刃之间的夹持突起,用于将所述上腿部与所述相互接合的连接元件的相互接合的头部相邻地按压; 设置在模具装置中的喷射器装置可往复移动地朝向冲头装置的夹持突起移动,所述冲头装置可响应于顶出装置的向上运动而向上运动,而与相互接合的联接元件的相互接合头部相邻的上腿部分 被夹持在喷射器装置的边缘和冲头装置的夹持突起之间; 以及用于保持该对拉链带的装置。 由切割刃或分解的线圈碎片切割的联接元件适合于由冲头和喷射器的夹持突起平坦化,使得它们释放缝合线的紧固张力并变得足够松散以便容易地拉出。