Energy cable comprising a dielectric fluid and a mixture of thermoplastic polymers
    61.
    发明授权
    Energy cable comprising a dielectric fluid and a mixture of thermoplastic polymers 有权
    能量线包括电介质流体和热塑性聚合物的混合物

    公开(公告)号:US07884284B2

    公开(公告)日:2011-02-08

    申请号:US12083101

    申请日:2005-10-25

    IPC分类号: H01B7/00

    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。

    ENERGY CABLE
    62.
    发明申请
    ENERGY CABLE 有权
    能源电缆

    公开(公告)号:US20100126756A1

    公开(公告)日:2010-05-27

    申请号:US12312464

    申请日:2006-11-15

    IPC分类号: H01B3/22

    CPC分类号: H01B3/20 C08K5/01 H01B3/441

    摘要: An energy cable includes at least one electrical conductor and at least one extruded coating layer including a thermoplastic polymer material in admixture with a dielectric fluid, wherein the dielectric fluid includes a compound of formula (I): X-A-X′; where A is a monocyclic aromatic moiety or an at least partially aromatic condensed polycyclic moiety; and at least one of X and X′ is methyl or an aliphatic moiety, in both cases optionally substituted with and/or interrupted by one or more of keto, alkoxy, alkylthio, mercapto, hydroxyalkyl, hydroxyl; the other being hydrogen; the compound having a ratio of number of aromatic carbon atoms to total number of carbon atoms greater than or equal to 0.6.

    摘要翻译: 能量电缆包括至少一个电导体和至少一个包含与介电流体混合的热塑性聚合物材料的挤出涂层,其中介电流体包括式(I)化合物:X-A-X'; 其中A是单环芳族部分或至少部分芳族稠合多环部分; 并且X和X'中的至少一个是甲基或脂族部分,在两种情况下任选被酮,烷氧基,烷硫基,巯基,羟基烷基,羟基中的一个或多个取代和/ 另一个是氢; 该芳族碳原子数与碳原子数大于等于0.6的化合物。

    Multipolar Cable for Transmitting Energy and/or Signals, Method and Apparatus for the Production Thereof
    63.
    发明申请
    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,用于其生产的方法和装置

    公开(公告)号:US20070251716A1

    公开(公告)日:2007-11-01

    申请号:US10584989

    申请日:2003-12-30

    IPC分类号: H01B5/10

    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。

    Cable with recyclable covering layer
    64.
    发明授权
    Cable with recyclable covering layer 有权
    电缆与可回收的覆盖层

    公开(公告)号:US07196270B2

    公开(公告)日:2007-03-27

    申请号:US10542572

    申请日:2004-01-15

    IPC分类号: H01B3/44

    CPC分类号: H01B3/20 H01B3/22 H01B3/441

    摘要: A cable having at least one electrical conductor and at least one extruded covering layer based on a thermoplastic polymer material in admixture with a dielectric liquid. The thermoplastic polymer material is selected from: (a) at least one propylene homopolymer or at least one copolymer of propylene with at least one olefin comonomer; (b) a mechanical mixture of at least one propylene homopolymer or copolymer (a) and (c) at least one elastomeric copolymer or ethylene with at least one aliphatic α-olefin, and optionally a polyene.

    摘要翻译: 一种电缆,其具有至少一个电导体和至少一个基于与电介质液体混合的热塑性聚合物材料的挤出覆盖层。 热塑性聚合物材料选自:(a)至少一种丙烯均聚物或至少一种丙烯与至少一种烯烃共聚单体的共聚物; (b)至少一种丙烯均聚物或共聚物(a)和(c)至少一种弹性共聚物或乙烯与至少一种脂族α-烯烃和任选的多烯的机械混合物。

    Process for the production of a cable and device for performing this process
    65.
    发明授权
    Process for the production of a cable and device for performing this process 有权
    用于生产用于执行该过程的电缆和设备的过程

    公开(公告)号:US07175411B2

    公开(公告)日:2007-02-13

    申请号:US10787209

    申请日:2004-02-27

    IPC分类号: B28B17/02

    摘要: The present invention concerns a process for producting cables, in particular cables for the distribution of electrical energy or cables for telecommunications, more particularly, cables having at least one covering layer comprising a composition of high viscosity. More particularly, the present invention concerns cables having at least one covering layer comprising a polymeric composition comprising a mineral filler capable of imparting one or more specific properties to the aforesaid cables. In accordance with the present invention, said production process comprises the stages of: conveying at least one conducting element inside of an extruder; feeding the polymeric material, optionally premixed with other components of said composition, into said extruder, filtering the material transferred and plasticized by the screw of said extruder; depositing said material onto said at least one conducting element, the filtration operation being performed with a filtration efficiency greater than 0.8, preferably greater than 0.9. The present invention concerns, in addition, an apparatus for the purpose of performing the production process mentioned above.

    摘要翻译: 本发明涉及用于生产电缆的方法,特别是用于分配用于电信的电能或电缆的电缆,更具体地,涉及具有至少一个包含高粘度组合物的覆盖层的电缆。 更具体地说,本发明涉及具有至少一个覆盖层的电缆,该覆盖层包括聚合物组合物,该聚合物组合物包含能够赋予上述电缆一个或多个特定性能的矿物填料。 根据本发明,所述制造方法包括以下步骤:在挤出机内输送至少一个导电元件; 将可选地与所述组合物的其它组分预混合的聚合物材料进料到所述挤出机中,过滤由所述挤出机的螺杆转移和增塑的材料; 将所述材料沉积到所述至少一个导电元件上,所述过滤操作以大于0.8,优选大于0.9的过滤效率进行。 本发明另外涉及用于进行上述制造方法的装置。