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    • 4. 发明授权
    • Method of manufacturing electrical cable
    • 制造电缆的方法
    • US08701277B2
    • 2014-04-22
    • US12497586
    • 2009-07-03
    • Randy D. KummerDavid ReeceMark D. DixonJohn R. CarlsonHai LamPhilip Sasse
    • Randy D. KummerDavid ReeceMark D. DixonJohn R. CarlsonHai LamPhilip Sasse
    • H01R43/00
    • B32B27/30B05D5/08B05D7/14B05D2256/00
    • Disclosed is a method of manufacturing a finished cable by a process directed to reduce the amount of force required to install the cable. The process involves the extrusion of the cable's outer sheath and the incorporation of a pulling lubricant in connection with, and prior to the completion of, the extrusion to reduce the sheath's surface coefficient of friction as well as reduce the required force to pull the cable for installation. The conductor core is coated with an extruded plastic material with which an appropriate (in amount and type) pulling lubricant is initially combined with the plastic material prior to the formation of the sheath and in which the sheathed conductor core is thereafter cooled, the lubricant either migrating to and/or permeating the sheath to be available at the surface of the sheath at the time of the cable's installation. The preselected lubricant is disclosed as either combined with the plastic material during initial pelletization, or mixed with the plastic pellets prior to introduction of the mixture into the extruding head, or introduced into the extruding head at a separate location downstream from where the plastic material is introduced into the extruding head.
    • 公开了一种通过旨在减少安装电缆所需的力量的方法来制造成品电缆的方法。 该方法涉及电缆的外护套的挤出以及拉伸润滑剂的结合以及完成挤出之前的结合,以减少护套的表面摩擦系数,以及减少拉动电缆所需的力 安装。 导体芯用挤出的塑料材料涂覆,在形成护套之前,先用合适的(数量和类型)的拉伸润滑剂与塑料材料组合,然后将其中的护套导体芯片冷却,润滑剂 迁移到和/或渗透护套以在电缆安装时在护套的表面可用。 公开的预选润滑剂在初始造粒期间与塑料材料组合,或者在将混合物引入挤出头之前与塑料颗粒混合,或者在塑料材料的下游的单独位置引入挤出头 引入挤出头。