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1. 发明申请

WO2003088274A1 ELECTRIC CABLE AND MANUFACTURING PROCESS THEREOF 审中-公开
标题翻译：电线及其制造工艺
公开(公告)号：WO2003088274A1
公开(公告)日：2003-10-23
申请号：PCT/EP2002/004210
申请日：2002-04-16
申请人： PIRELLI S.P.A , BELLI, Sergio , BAREGGI, Alberto , SCELZA, Cristiana
发明人： BELLI, Sergio , BAREGGI, Alberto , SCELZA, Cristiana
IPC分类号： H01B7/02
CPC分类号： H01B7/0233 , H01B7/185
摘要： Electric cable, in particular for power transmission at low voltage, comprising at least one conductor and an insulating coating surrounding said at least one conductor, said insulating coating comprising at least two insulating layers. In a radial direction from the inside towards the outside of said electrical cable, said insulating coating comprises at least one insulating layer made of a non-expanded polymeric material and at least one insulating layer made of an expanded polymeric material.
摘要翻译：电缆，特别是用于在低电压下的电力传输，包括至少一个导体和围绕所述至少一个导体的绝缘涂层，所述绝缘涂层包括至少两个绝缘层。在从所述电缆的内部到外部的径向方向上，所述绝缘涂层包括由非膨胀聚合物材料制成的至少一个绝缘层和由膨胀聚合物材料制成的至少一个绝缘层。

2. 发明申请

WO2005055250A1 IMPACT RESISTANT CABLE 审中-公开
标题翻译：防撞电缆
公开(公告)号：WO2005055250A1
公开(公告)日：2005-06-16
申请号：PCT/EP2003/013834
申请日：2003-12-03
申请人： PIRELLI & C.S.p.A. , DELL'ANNA, Gaia , SCELZA, Cristiana , BELLI, Sergio , BAREGGI, Alberto
发明人： DELL'ANNA, Gaia , SCELZA, Cristiana , BELLI, Sergio , BAREGGI, Alberto
IPC分类号： H01B7/18
CPC分类号： H01B3/20 , H01B7/185 , H01B7/1875 , H01B7/189
摘要： The present invention concerns a cable for use in a predetermined voltage class, said cable for use in a predetermined voltage class, said cable comprising: - at least one conductor; a at least one extruded insulating layer surrounding said conductor, said insulating layer being made from a non-crosslinked insulating material comprising at least one thermoplastic polymer and at least one dielectric liquid, said insulating layer having a thickness such as to provide a voltage gradient on the outer surface of the cable insulating layer not smaller than 1.0 kV/mm; and - a protective element around said extruded insulating layer having a thickness and mechanical properties selected to provide a predetermined impact resistance capability, said protective element comprising at least one expanded polymeric layer, said thickness being sufficient to prevent a detectable insulating layer damage upon impact of at least 25 J energy. The insulating layer thickness and the protective element thickness can be selected in combination to minimize the overall cable weight while preventing a detectable insulating layer damage upon impact of at least 25 J energy.
摘要翻译：本发明涉及一种用于预定电压等级的电缆，所述电缆用于预定电压等级，所述电缆包括： - 至少一个导体; 围绕所述导体的至少一个挤出绝缘层，所述绝缘层由包含至少一种热塑性聚合物和至少一种电介质液体的非交联绝缘材料制成，所述绝缘层具有如下厚度以提供电压梯度电缆绝缘层的外表面不小于1.0kV / mm; 以及 - 围绕所述挤压绝缘层的保护元件，其具有被选择为提供预定抗冲击能力的厚度和机械性能，所述保护元件包括至少一个发泡聚合物层，所述厚度足以防止可检测的绝缘层在冲击至少25 J的能量。可以组合选择绝缘层厚度和保护元件厚度，以使总体电缆重量最小化，同时防止在至少25J的能量冲击时可检测的绝缘层损坏。

3. 发明申请

WO2005015577A1 CONTINUOUS PROCESS FOR MANUFACTURING ELECTRICAL CABLES 审中-公开
标题翻译：制造电气电缆的连续工艺
公开(公告)号：WO2005015577A1
公开(公告)日：2005-02-17
申请号：PCT/EP2003/008194
申请日：2003-07-25
申请人： PIRELLI & C. S.P.A. , BELLI, Sergio , BAREGGI, Alberto , DELL'ANNA, Gaia , SCELZA, Cristiana , DONAZZI, Fabrizio
发明人： BELLI, Sergio , BAREGGI, Alberto , DELL'ANNA, Gaia , SCELZA, Cristiana , DONAZZI, Fabrizio
IPC分类号： H01B13/00
CPC分类号： H01B13/2626 , H01B7/189 , H01B13/00 , H01B13/14 , H01B13/262
摘要： The present invention concerns a process for manufacturing an electric cable. In particular, the process comprises the phases 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 forming a circumferentially closed metal shield around said extruded insulating layer. The process according to the invention is carried out continuously, i.e. the time occurring between the end of the cooling phase and the beginning of the shield forming phase is inversely proportional to the feeding speed of the conductor.
摘要翻译：本发明涉及一种用于制造电缆的方法。特别地，该方法包括以下阶段：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）冷却所述挤出的绝缘层，以及在所述挤出绝缘层周围形成周向封闭的金属屏蔽。根据本发明的方法是连续进行的，即在冷却阶段的结束和屏蔽形成阶段的开始之间发生的时间与导体的进给速度成反比。

4. 发明申请

WO2005062315A1 PROCESS FOR MANUFACTURING A SELF-EXTINGUISHING CABLE 审中-公开
标题翻译：自动灭火电缆的制造工艺
公开(公告)号：WO2005062315A1
公开(公告)日：2005-07-07
申请号：PCT/IT2003/000855
申请日：2003-12-24
申请人： PIRELLI & C. S.P.A. , GRASSELLI, Gianbattista , BAREGGI, Alberto , SCELZA, Cristiana , FRIGERIO, Marco , VEGGETTI, Paolo , BELLI, Sergio
发明人： GRASSELLI, Gianbattista , BAREGGI, Alberto , SCELZA, Cristiana , FRIGERIO, Marco , VEGGETTI, Paolo , BELLI, Sergio
IPC分类号： H01B13/14
CPC分类号： H01B7/295 , B29C44/322 , H01B3/30
摘要： The invention relates to a process for manufacturing a self-extinguishing cable comprising at least one transmissive element and at least one flame-retardant coating in a position radially external to said at least one transmissive element, wherein said at least one coating includes an expanded flame-retardant polymeric material comprising:(a) at least one expandable polymer; (b) at least one expanding agent; (c) at least one flame-retardant inorganic filler, in an amount of from 100 parts by weight to 250 parts by weight with respect to 100 parts by weight of said at least one expandable polymer; the process comprising the following steps: (i) feeding the flame-retardant polymeric material to an extruding apparatus, therein melting and mixing it; (ii) passing the flame-retardant polymeric material obtained in step (i) through at least one static mixer; (iii) depositing by extrusion the flame-retardant polymeric material obtained in step (ii) onto said at least one transmissive element conveyed to said extruding apparatus. The process of the invention allows to optimise the homogeneity and to maximize the expansion of said flameretardant polymeric material. The cable so obtained is provided with both good mechanical and flame-retardant properties.
摘要翻译：本发明涉及一种制造自熄电缆的方法，该方法包括至少一个透射元件和至少一个位于所述至少一个透射元件径向外侧的位置的阻燃涂层，其中所述至少一个涂层包括膨胀的火焰所述聚合物材料包括：（a）至少一种可发性聚合物; （b）至少一种发泡剂; （c）相对于100重量份的所述至少一种可发性聚合物，至少一种阻燃无机填料的量为100重量份至250重量份; 该方法包括以下步骤：（i）将阻燃聚合物材料进料到挤出设备中，在其中熔化并混合; （ii）将步骤（i）中获得的阻燃聚合材料通过至少一个静态混合器; （iii）通过挤出将在步骤（ii）中获得的阻燃聚合物材料沉积到所述至少一个传送到所述挤出装置的透射元件上。本发明的方法允许优化均匀性并使所述火焰聚合物材料的膨胀最大化。所得到的电缆具有良好的机械和阻燃性能。

5. 发明申请

WO2003046592A1 METHOD FOR TESTING AN ELECTRICAL CABLE, MODIFIED ELECTRICAL CABLE AND PROCESS FOR PRODUCING IT 审中-公开
标题翻译：用于测试电缆，改进电缆及其制造方法的方法
公开(公告)号：WO2003046592A1
公开(公告)日：2003-06-05
申请号：PCT/IB2001/002234
申请日：2001-11-27
申请人： PIRELLI S.P.A. , BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio
发明人： BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio
IPC分类号： G01R31/12
CPC分类号： G01R31/1272 , G01R31/021
摘要： The present invention relates to a method for the, electrical testing of a protective polymeric layer of an electrical cable comprising at least one metal element in a position radially internal to said protective polymeric layer. This method comprises the steps of applying a semiconductive polymeric layer in a position radially external to said protective polymeric layer, and of electrically connecting said semiconductive polymeric layer to said at least one metal layer. The present invention also relates to an electrical cable comprising a semiconductive polymeric layer in a position radially external to said protective polymeric layer, and also to a process for producing said cable.
摘要翻译：本发明涉及一种用于对电缆的保护性聚合物层进行电气测试的方法，所述电缆包括在所述保护聚合物层的径向内部位置的至少一个金属元素。该方法包括以下步骤：将半导体聚合物层施加在所述保护性聚合物层的径向外侧的位置，以及将所述半导体聚合物层电连接到所述至少一个金属层。本发明还涉及一种电缆，其包括在所述保护性聚合物层的径向外侧的位置的半导体聚合物层，以及用于生产所述电缆的方法。

6. 发明申请

WO2003023791A1 EXTRUSION METHOD AND APPARATUS FOR PRODUCING A CABLE 审中-公开
标题翻译：挤出方法和生产电缆的装置
公开(公告)号：WO2003023791A1
公开(公告)日：2003-03-20
申请号：PCT/EP2002/009815
申请日：2002-09-03
申请人： PIRELLI S.P.A. , BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio , VEGGETTI, Paolo
发明人： BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio , VEGGETTI, Paolo
IPC分类号： H01B13/14
CPC分类号： B29C47/28 , B29C47/0016 , B29C47/0023 , B29C47/0026 , B29C47/025 , B29C47/06 , B29C47/065 , B29C47/128 , B29C47/26 , B29K2023/06 , B29K2023/0625 , B29K2023/0633 , B29K2023/0641 , B29K2023/065 , B29K2023/083 , B29K2023/12 , B29K2027/06 , B29K2055/02 , B29K2067/00 , B29K2067/006 , B29K2075/00 , B29K2077/00 , H01B3/30 , H01B13/141 , H01B13/142 , H01B13/144 , H01B13/24
摘要： An extrusion method and apparatus (11) for producing a cable (1, 101) including at least one core (7) comprising at least one transmissive element (2, 40), and at least one pair of coating layers (8, 9) arranged at a radially outer position with the respect of the core (7) are described. The method of the invention includes the simultaneous steps of depositing by co-extrusion at least one coating layer (8) of polymeric material and one coating layer (9) of expanded polymeric material and of maintaining a residual pressure not greater than the external pressure in a substantially annular interspace (21) defined between the coating layers. With respect to the methods of the prior art, the present invention allows to avoid the formation of bubbles at the interface between said at least one coating layer (8) of polymeric material and the coating layer (9) of expanded polymeric material, attaining an optimal adhesion between said layers (8, 9).
摘要翻译：一种用于制造包括至少一个包括至少一个透射元件（2）的芯（7）的电缆（1,101）和至少一对涂层（8,9）的挤出方法和装置（11）在芯部（7）的径向外侧位置配置。本发明的方法包括通过共挤出聚合材料的至少一个涂层（8）和一个膨胀聚合物材料的一个涂层（9）并保持不大于外部压力的残余压力的同时步骤限定在所述涂层之间的基本上环形的间隙（21）。关于现有技术的方法，本发明允许避免在聚合材料的所述至少一个涂层（8）与膨胀聚合物材料的涂层（9）之间的界面处形成气泡，从而达到所述层（8,9）之间的最佳粘合。

7. 发明申请

WO2004066317A1 CABLE WITH RECYCABLE COVERING LAYER 审中-公开
标题翻译：电缆带可重覆覆盖层
公开(公告)号：WO2004066317A1
公开(公告)日：2004-08-05
申请号：PCT/EP2003/000482
申请日：2003-01-20
申请人： PEREGO, Gabriele , SCELZA, Cristiana , DELL'ANNA, Gaia , BELLI, Sergio
发明人： PEREGO, Gabriele , SCELZA, Cristiana , DELL'ANNA, Gaia , BELLI, Sergio
IPC分类号： H01B3/20
CPC分类号： H01B3/20 , H01B3/22 , H01B3/441
摘要： Cable comprising at least one electrical conductor and at least one extruded covering layer based on a thermoplastic polymer material in admixture with a dielectric liquid, wherein: - said 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 selected from ethylene and an alpha-olefin other than propylene, said homopolymer or copolymer having a melting point greater than or equal to 130°C and a melting enthalpy of from 20 J/g to 100 J/g; b) a mechanical mixture comprising at least one propylene homopolymer or copolymer (a) and (c) at least one elastomeric copolymer of ethylene with at least one aliphatic alpha-olefin, and optionally a polyene; - the concentration by weight of said dielectric liquid in said thermoplastic polymer material is less or equal to the saturation concentration of said dielectric liquid in said thermoplastic polymer material. The cable of the invention possesses good mechanical and electrical properties, including high dielectric strength, in particular enabling it to be used at high operating temperature.
摘要翻译：电缆包括至少一个电导体和至少一个基于与介电液体混合的热塑性聚合物材料的挤压覆盖层，其中： - 所述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共聚物的丙烯与至少一种选自乙烯和除丙烯以外的α-烯烃的烯烃共聚单体，所述均聚物或共聚物的熔点大于或等于130℃，熔融焓为20J / g至100J / G; b）包含至少一种丙烯均聚物或共聚物（a）和（c）至少一种乙烯与至少一种脂族α-烯烃和任选的多烯的弹性体共聚物的机械混合物; - 所述热塑性聚合物材料中所述电介质液体的重量浓度小于或等于所述热塑性聚合物材料中所述电介质液体的饱和浓度。本发明的电缆具有良好的机械和电学性质，包括高介电强度，特别是能够在高工作温度下使用。

8. 发明申请

WO2004066318A1 CABLE WITH RECYCLABLE COVERING LAYER 审中-公开
标题翻译：具有可回收覆盖层的电缆
公开(公告)号：WO2004066318A1
公开(公告)日：2004-08-05
申请号：PCT/EP2004/000242
申请日：2004-01-15
申请人： PIRELLI & C. S.P.A. , PEREGO, Gabriele , SCELZA, Cristiana , DELL'ANNA, Gaia , BELLI, Sergio
发明人： PEREGO, Gabriele , SCELZA, Cristiana , DELL'ANNA, Gaia , BELLI, Sergio
IPC分类号： H01B3/20
CPC分类号： H01B3/20 , H01B3/22 , H01B3/441
摘要： Cable comprising at least one electrical conductor and at least one extruded covering layer based on a thermoplastic polymer material in admixture with a dielectric liquid, wherein: said 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 comprising at least one propylene homopolymer or copolymer (a) and (c) at least one elastomeric copolymer of ethylene with at least one aliphatic α-olefin, and optionally a polyene. The cable of the invention possesses good mechanical and electrical properties, including high dielectric strength, in particular enabling it to be used at high operating temperature.
摘要翻译：电缆包括至少一个电导体和至少一个基于与介电液体混合的热塑性聚合物材料的挤压覆盖层，其中：所述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共聚物的丙烯与至少一种烯烃共聚单体; （b）包含至少一种丙烯均聚物或共聚物（a）和（c）至少一种乙烯与至少一种脂族α-烯烃的弹性体共聚物和任选的多烯的机械混合物。本发明的电缆具有良好的机械和电学性质，包括高介电强度，特别是能够在高工作温度下使用。

9. 发明申请

WO2005114677A1 PROCESS FOR MANUFACTURING A CABLE RESISTANT TO EXTERNAL CHEMICAL AGENTS 审中-公开
标题翻译：制造电阻抗外用化学试剂的方法
公开(公告)号：WO2005114677A1
公开(公告)日：2005-12-01
申请号：PCT/US2004/011259
申请日：2004-04-27
申请人： PIRELLI & C. S.P.A. , LUMACHI, Alberto , VEGGETTI, Paolo , DE RAI, Luca Giorgio , O'NEILL, Franck , BAREGGI, Alberto , FRIGERIO, Marco , BELLI, Sergio
发明人： LUMACHI, Alberto , VEGGETTI, Paolo , DE RAI, Luca Giorgio , O'NEILL, Franck , BAREGGI, Alberto , FRIGERIO, Marco , BELLI, Sergio
IPC分类号： H01B13/26
CPC分类号： H01B7/2813 , H01B3/30 , H01B13/14
摘要： Process for manufacturing a cable comprising the following steps:(a) conveying at least one conductor to an extruder apparatus;(b) extruding an insulating coating layer radially external to said at least one conductor; (c) longitudinally folding a metal tape around said extruded insulating coating layer, said metal tape bearing at least one adhesive coating layer in a radially external position,; (e) extruding at least one continuous coating layer comprising at least one polyamide or a copolymer thereof around and in contact with said folded metal tape; wherein the step (e) is carried out at a draw down ratio (DDR) not higher than 2.5, preferably of from 1.2 to 2.0.
摘要翻译：制造电缆的方法，包括以下步骤：（a）将至少一个导体输送到挤出机装置;（b）在所述至少一个导体的径向外部挤出绝缘涂层; （c）在所述挤出的绝缘涂层周围纵向折叠金属带，所述金属带在径向外部位置承载至少一个粘合剂涂层; （e）将包含至少一种聚酰胺或其共聚物的至少一个连续涂层挤压在所述折叠的金属带周围并与之接触; 其中步骤（e）以不高于2.5，优选1.2-2.0的拉伸比（DDR）进行。

10. 发明申请

WO2006114118A1 CABLE MANUFACTURING PROCESS 审中-公开
标题翻译：电缆制造工艺
公开(公告)号：WO2006114118A1
公开(公告)日：2006-11-02
申请号：PCT/EP2005/004510
申请日：2005-04-27
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , CASTIGLIONI, Walter , BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio
发明人： CASTIGLIONI, Walter , BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio
IPC分类号： B29C47/28 , B29C47/92
CPC分类号： B29C47/28 , B29C47/0023 , B29C47/92 , B29C2947/92019 , B29C2947/92209 , B29C2947/92409 , B29C2947/92466 , B29C2947/92514 , B29C2947/92571 , B29C2947/9258 , B29C2947/926 , B29C2947/92704 , B29C2947/92904 , B29C2947/92933 , B29C2947/92952 , B29L2031/3462
摘要： The present invention relates to a method for manufacturing a cable, said cable comprising at least one transmissive element (3) and at least one coating layer (100) made of a polymeric material and arranged at a radially outer position with respect to the transmissive element (3). The method comprises the steps of: a) feeding the polymeric material to an extrusion apparatus including an extrusion head (1), the extrusion head (1) comprising: a male die (12); a female die (13), coaxially arranged with respect to said male die (12); a conveying channel (20), at least one portion of which being defined between said male die (12) and said female die (13); and b) controlling a cross-sectional area of said at least one portion of the conveying channel (20) in response to a detected quantity, said quantity being caused to vary during the manufacturing of the cable as a function of the actual extrusion speed. The present invention further relates to an extrusion apparatus for carrying out said process.
摘要翻译：本发明涉及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（3）和由聚合物材料制成的至少一个涂层（100），并且布置在相对于透射元件的径向外部位置（3）。该方法包括以下步骤：a）将聚合物材料输送到包括挤出头（1）的挤出设备中，挤压头（1）包括：阳模（12）; 相对于所述阳模（12）同轴布置的阴模（13）; 输送通道（20），其至少一部分限定在所述阳模（12）和所述阴模（13）之间; 以及b）响应于检测到的量控制所述输送通道（20）的所述至少一个部分的横截面积，所述数量在制造电缆期间随着实际挤出速度的变化而变化。本发明还涉及一种用于执行所述方法的挤压设备。

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