CABLE MANUFACTURING PROCESS
    2.
    发明申请
    CABLE MANUFACTURING PROCESS 失效
    电缆制造工艺

    公开(公告)号:US20120177765A1

    公开(公告)日:2012-07-12

    申请号:US13403624

    申请日:2012-02-23

    IPC分类号: B29C47/92

    摘要: A method for manufacturing a cable, the cable including at least one transmissive element and at least one coating layer made of a polymeric material and arranged at a radially outer position with respect to the transmissive element. The method includes the steps of: a) feeding the polymeric material to an extrusion apparatus including an extrusion head, the extrusion head including a male die; a female die coaxially arranged with respect to the male die; a conveying channel, at least one portion of which is defined between the male die and the female die; and b) controlling a cross-sectional area of the at least one portion of the conveying channel in response to a detected quantity, the quantity being caused to vary during the manufacturing of the cable as a function of the actual extrusion speed. An extrusion apparatus for carrying out the process.

    摘要翻译: 一种用于制造电缆的方法,所述电缆包括至少一个透射元件和至少一个由聚合物材料制成并且相对于透射元件的径向外部位置布置的涂层。 该方法包括以下步骤:a)将聚合物材料输送到包括挤压头的挤压设备中,该挤压头包括一个阳模; 相对于阳模同轴布置的阴模; 输送通道,其至少一部分限定在阳模和阴模之间; 以及b)响应于检测到的量控制所述输送通道的至少一部分的横截面面积,所述量在所述电缆的制造期间作为实际挤出速度的函数而发生变化。 用于执行该过程的挤出装置。

    Plug parts for an optical plug connection
    3.
    发明授权
    Plug parts for an optical plug connection 有权
    插头用于光插头连接

    公开(公告)号:US08087833B2

    公开(公告)日:2012-01-03

    申请号:US12448742

    申请日:2008-01-25

    IPC分类号: G02B6/36

    摘要: A plug part (1) for an optical plug connection comprises one pin holder (3) in which a plug pin (2) for retaining an optical waveguide which extends over a longitudinal central axis (L) is held. The pin holder (3) can be pushed into a plug housing (4) via a cable-side opening (30) and locked therein in a mounting position, wherein the plug pin (2) is held axially resiliently in the plug housing (4) with the aid of a separate spring element (5). The spring element (5) can here be inserted in a mount in the plug housing (4) before the pin holder (3) is pushed in. The spring element (5) is secured by way of a clamping sleeve (6) which can be inserted into the mount via the plug-side opening (30) in the push-in direction (e). Arranged in the mount is a circlip (7) and the pin holder (3) has a groove (12) which can be brought into engagement with the circlip (7) in a latching manner in order to fix the mounting position.

    摘要翻译: 用于光插头连接的插头部分(1)包括一个销保持器(3),其中保持用于保持在纵向中心轴线(L)上延伸的光波导的插头销(2)。 销保持器(3)可以经由电缆侧开口(30)被推入插头壳体(4)中并在其中锁定在安装位置,其中插头销(2)沿轴向弹性地保持在插头壳体(4)中 )借助于单独的弹簧元件(5)。 弹簧元件(5)可以在插入销座(3)被推入之前插入到插头壳体(4)中的安装件中。弹簧元件(5)通过夹紧套筒(6)固定, 通过插入侧开口(30)沿推入方向(e)插入到安装件中。 安装在安装件上的是一个簧环(7),并且销保持器(3)具有凹槽(12),该凹槽可以以闩锁的方式与卡簧(7)接合,以便固定安装位置。

    Cable manufacturing process
    4.
    发明授权
    Cable manufacturing process 有权
    电缆制造工艺

    公开(公告)号:US07811494B2

    公开(公告)日:2010-10-12

    申请号:US11667939

    申请日:2004-11-23

    IPC分类号: B29C47/04

    摘要: A process for manufacturing a cable which includes a conductor; an inner semiconductive layer surrounding the conductor and having a thickness lower than or equal to 0.4 mm; and an insulating layer surrounding the inner semiconductive layer. The process includes the step of co-extruding the inner semiconductive layer and the insulating layer and includes: a) providing a first annular flow of inner semiconductive material and a second annular flow of insulating material; b) contacting the outer surface of the first annular flow and the inner surface of the second annular flow at an axial distance from the contacting point where the inner surface of the first annular flow contacts the conductor; c) selecting in combination the predetermined feeding speed and the contacting point as a function of the dynamic viscosity of the inner semiconductive material and of the insulating material, so that a ratio between the shear stress of the inner semiconductive layer at the radially inner wall of the extrusion die and the shear stress of the insulating layer at the radially outer wall of the extrusion die, in proximity of the contacting point, is about 0.5 to 4; and d) compression extruding the insulating layer and the inner semiconductive layer onto the conductor.

    摘要翻译: 一种制造包括导体的电缆的方法; 围绕导体并具有小于或等于0.4mm的厚度的内半导体层; 以及围绕内部半导体层的绝缘层。 该方法包括共挤出内部半导体层和绝缘层的步骤,包括:a)提供内部半导体材料的第一环形流和绝缘材料的第二环形流; b)使所述第一环形流的外表面与所述第二环形流的内表面在距离所述第一环形流的内表面接触所述导体的接触点的轴向距离处接触; c)作为内部半导体材料和绝缘材料的动态粘度的函数,组合选择预定的进给速度和接触点,使得内部半导体层在径向内壁处的剪切应力之间的比率 在挤压模的径向外壁处的接触点处的挤压模和绝缘层的剪切应力为约0.5至4; 以及d)将绝缘层和内半导体层压缩挤压到导体上。

    Method for producing a coating layer made of expandable and cross-linkable material in a cable
    5.
    发明授权
    Method for producing a coating layer made of expandable and cross-linkable material in a cable 有权
    电缆中由可膨胀和可交联材料制成的涂层的方法

    公开(公告)号:US07790222B2

    公开(公告)日:2010-09-07

    申请号:US10538741

    申请日:2002-12-23

    IPC分类号: B05D5/12

    摘要: A method for producing a cable including at least one transmissive element, for example, an element transmitting electrical energy or optionally optical signals as well, and an expanded and cross-linked coating layer in a radially outer position with respect to the at least one transmissive element, the coating layer having a composition including an expandable and cross-linkable polymeric material. The method includes a) extruding the composition; b) forming a coating layer made of expandable and cross-linkable polymeric material with the composition thus extruded; c) expanding the coating layer made of expandable and cross-linkable polymeric material; and d) cross-linking the coating layer made of expandable and cross-linkable polymeric material. The expanding and cross-linking steps c) and d) are carried out by heating the coating layer made of expandable and cross-linkable polymeric material at atmospheric pressure by means of a suitable heating fluid. Savings in production time and costs are attained by the method.

    摘要翻译: 一种用于制造包括至少一个透射元件的电缆的方法,例如,传输电能或可选地光学信号的元件以及相对于至少一个透射的径向外部位置的扩展和交联的涂层 该涂层具有包含可膨胀和可交联的聚合材料的组合物。 该方法包括:a)挤出组合物; b)形成由可膨胀和可交联的聚合物材料制成的涂层,由此挤出组合物; c)使可膨胀和可交联聚合材料制成的涂层膨胀; 和d)交联由可膨胀和可交联的聚合物材料制成的涂层。 膨胀和交联步骤c)和d)通过借助于合适的加热流体在大气压下加热由可膨胀和可交联聚合物材料制成的涂层来进行。 通过该方法可以节省生产时间和成本。

    Multipolar cable for transmitting energy and/or signals, method and apparatus for the production thereof
    6.
    发明授权
    Multipolar cable for transmitting energy and/or signals, method and apparatus for the production thereof 失效
    用于传输能量和/或信号的多极电缆,用于生产它的方法和装置

    公开(公告)号:US07642462B2

    公开(公告)日:2010-01-05

    申请号:US10584989

    申请日:2003-12-30

    IPC分类号: H01B7/00

    摘要: A multipolar cable for transmitting energy and/or signals, as well as an extrusion method and apparatus for the production thereof, is described. The multipolar cable has at least three transmissive elements and a sheath in which at least three longitudinal housings being intended to house respectively the at least three transmissive elements according to a predetermined configuration and being formed within respective substantially lobe-shaped longitudinal portions of the sheath. The multipolar cable allows the connection of the transmissive elements to one or more consumption points by means of at least one connector provided with at least three perforating elements.

    摘要翻译: 描述了用于传输能量和/或信号的多极电缆,以及用于其生产的挤出方法和装置。 多极电缆具有至少三个透射元件和护套,其中至少三个纵向壳体旨在根据预定构造分别容纳至少三个透射元件,并且形成在护套的各个大致瓣形纵向部分内。 多极电缆允许通过设置有至少三个穿孔元件的至少一个连接器将透射元件连接到一个或多个消耗点。

    Energy Cable Comprising a Dielectric Fluid and a Mixture of Thermoplastic Polymers
    7.
    发明申请
    Energy Cable Comprising a Dielectric Fluid and a Mixture of Thermoplastic Polymers 有权
    包含电介质流体和热塑性聚合物混合物的能量电缆

    公开(公告)号:US20090211782A1

    公开(公告)日:2009-08-27

    申请号:US12083101

    申请日:2005-10-25

    IPC分类号: H01B7/00 C08L23/12

    摘要: A cable includes at least one electrical conductor and at least one extruded covering layer including a thermoplastic polymer material in admixture with a dielectric liquid, wherein the thermoplastic polymer material includes (a) at least 75% by weight, with respect to the total weight of the thermoplastic polymer material, of at least one copolymer of at least two α-olefin co-monomers, the copolymer having a melting enthalpy lower than 25 J/g; and (b) an amount equal to or less than 25% by weight with respect to the total weight of the thermoplastic polymer material of at least one propylene homopolymer or propylene copolymer with at least one α-olefin, the at least one propylene homopolymer or propylene copolymer having a melting enthalpy higher than 25 J/g and a melting point higher than 130° C. The covering layer has a melting enthalpy equal to or lower than 40 J/g, and the concentration by weight of the dielectric liquid in the thermoplastic polymer material is lower than the saturation concentration of the dielectric liquid in the thermoplastic polymer material.

    摘要翻译: 电缆包括至少一个电导体和至少一个包含与介电液体混合的热塑性聚合物材料的挤压覆盖层,其中热塑性聚合物材料包括(a)至少75重量% 所述热塑性聚合物材料由至少两种α-烯烃共聚单体的共聚物组成,所述共聚物的熔融焓低于25J / g; 和(b)相对于至少一种丙烯均聚物或丙烯共聚物与至少一种α-烯烃的热塑性聚合物材料的总重量相等或小于25重量%的量,至少一种丙烯均聚物或 熔融焓高于25J / g,熔点高于130℃的丙烯共聚物。该覆盖层具有等于或低于40J / g的熔融焓,并且所述介电液体的重量浓度 热塑性聚合物材料低于热塑性聚合物材料中介电液体的饱和浓度。

    Continuous process for manufacturing electrical cables
    8.
    发明授权
    Continuous process for manufacturing electrical cables 有权
    制造电缆的连续工艺

    公开(公告)号:US07459635B2

    公开(公告)日:2008-12-02

    申请号:US10565783

    申请日:2003-07-25

    IPC分类号: H01B7/00

    摘要: A process for manufacturing an electric cable. In particular, the process includes the steps of: a) feeding a conductor at a predetermined feeding speed; b) extruding a thermoplastic insulating layer in a position radially external to the conductor; c) cooling the extruded insulating layer; and d) forming a circumferentially closed metal shield around the extruded insulating layer. The process may be carried out continuously, i.e., the time occurring between the end of the cooling step and the beginning of the shield forming step is inversely proportional to the feeding speed of the conductor.

    摘要翻译: 电缆制造工艺。 特别地,该方法包括以下步骤:a)以预定的进给速度馈送导体; b)在导体的径向外部的位置挤出热塑性绝缘层; c)冷却挤压绝缘层; 以及d)围绕挤出的绝缘层形成周向封闭的金属屏蔽。 该过程可以连续进行,即在冷却步骤的结束和屏蔽形成步骤的开始之间发生的时间与导体的进给速度成反比。

    Continuous process for manufacturing electrical cables
    9.
    发明申请
    Continuous process for manufacturing electrical cables 有权
    制造电缆的连续工艺

    公开(公告)号:US20070181333A1

    公开(公告)日:2007-08-09

    申请号:US10565783

    申请日:2003-07-25

    IPC分类号: H01B9/02

    摘要: A process for manufacturing an electric cable. In particular, the process includes the steps of: a) feeding a conductor at a predetermined feeding speed; b) extruding a thermoplastic insulating layer in a position radially external to the conductor; c) cooling the extruded insulating layer; and d) forming a circumferentially closed metal shield around the extruded insulating layer. The process according to the invention is carried out continuously, i.e., the time occurring between the end of the cooling step and the beginning of the shield forming step is inversely proportional to the feeding speed of the conductor.

    摘要翻译: 电缆制造工艺。 特别地,该方法包括以下步骤:a)以预定的进料速度供给导体; b)在导体的径向外部的位置挤出热塑性绝缘层; c)冷却挤压绝缘层; 以及d)围绕挤出的绝缘层形成周向封闭的金属屏蔽。 根据本发明的方法是连续执行的,即在冷却步骤结束和屏蔽形成步骤开始之间发生的时间与导体的进给速度成反比。