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    • 6. 发明授权
    • Apparatus and method for spinning a multifilament yarn
    • 纺丝多丝纱线的装置和方法
    • US06572798B2
    • 2003-06-03
    • US09747615
    • 2000-12-22
    • Roland NitschkeHansjörg MeiseHans-Gerhard HutterUlrich EndersPeter SengeDetlev SchulzDieter Wiemer
    • Roland NitschkeHansjörg MeiseHans-Gerhard HutterUlrich EndersPeter SengeDetlev SchulzDieter Wiemer
    • D01D5092
    • D01D5/092
    • An apparatus and method for spinning a synthetic yarn, wherein a heated polymeric melt is extruded through a spinneret and the resulting filaments are combined and wound to a package by means of a take-up device located downstream of the spinneret. A cooling tube for the filaments is positioned below the spinneret, and an inlet cylinder which has a gas permeable wall is positioned between the inlet cylinder and the cooling tube. The cooling tube connects to an air stream generator in such a manner that an air stream develops in the cooling tube in the direction of the advancing yarn. The air stream is formed by a quantity of air that enters the cooling tube via the inlet cylinder, and the inlet cylinder is subdivided in the direction of the advancing yarn into several zones, each with a different gas permeability, for controlling the quantity of air entering the inlet cylinder. It is thereby possible to influence with advantage the precooling of the yarn and the formation of the air stream.
    • 一种用于纺丝合成纱线的装置和方法,其中将加热的聚合物熔体通过喷丝头挤出,并将所得长丝组合并通过位于喷丝头下游的卷取装置卷绕到包装上。 用于长丝的冷却管位于喷丝板下方,并且具有透气壁的入口圆筒位于入口圆筒和冷却管之间。 冷却管以这样的方式连接到气流发生器,使得冷却管沿着前进纱线的方向产生气流。 空气流由一定数量的空气形成,空气通过进气筒进入冷却管,进气筒沿前进纱线的方向分成几个区域,每个区域具有不同的气体渗透性,用于控制空气量 进入进瓶。 因此,可以有利地影响纱线的预冷和气流的形成。