专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2007071274A1 ELECTRIC CABLE COMPRISING A FOAMED POLYOLEFINE INSULATION AND MANUFACTURING PROCESS THEREOF 审中-公开
标题翻译：包含泡沫聚烯烃绝缘的电缆及其制造方法
公开(公告)号：WO2007071274A1
公开(公告)日：2007-06-28
申请号：PCT/EP2005/013866
申请日：2005-12-22
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , FRIGERIO, Marco , CASIRAGHI, Flavio , CRISCI, Vincenzo , GRASSELLI, Gianbattista , PONS, Jean-Louis , BAREGGI, Alberto
发明人： FRIGERIO, Marco , CASIRAGHI, Flavio , CRISCI, Vincenzo , GRASSELLI, Gianbattista , PONS, Jean-Louis , BAREGGI, Alberto
IPC分类号： H01B7/02 , H01B13/14 , C08J9/10
CPC分类号： H01B13/148 , H01B3/441 , H01B13/142
摘要： A process for manufacturing an electric cable (10) comprising at least one core comprising a conductor (1) and an insulating coating (2) surrounding the conductor (1) is described, the process comprising the steps of: providing a polyolefin material, a silane-based cross-linking system and a foaming system comprising at least one exothermic foaming agent in an amount of from 0.1% to 0.5% by weight with respect to the total weight of the polyolefin material; forming a blend with the polyolefin material, the silane-based cross-linking system and the foaming system; and extruding the blend on the conductor (1) to form the insulating coating (2). An electric cable (10) is also described comprising at least one core consisting of a conductor (1) and an insulating coating (2) surrounding said conductor (1) and in contact therewith, the insulating coating (2) consisting essentially of a layer of expanded, silane-crosslinked polyolefin material having an expansion degree of from 3 % to 40% .
摘要翻译：描述了一种用于制造电缆（10）的方法，该电缆包括至少一个包括导体（1）的芯和围绕导体（1）的绝缘涂层（2），该方法包括以下步骤：提供聚烯烃材料，硅烷基交联体系和发泡系统，其包含相对于聚烯烃材料的总重量为0.1重量％至0.5重量％的至少一种放热发泡剂; 与聚烯烃材料，硅烷基交联体系和发泡体系形成共混物; 并将共混物挤出在导体（1）上以形成绝缘涂层（2）。还描述了一种电缆（10），其包括由围绕所述导体（1）的导体（1）和绝缘涂层（2）组成的至少一个芯体，并与其接触，所述绝缘涂层（2）主要由层的膨胀度为3％至40％的膨胀的硅烷交联的聚烯烃材料。

2. 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。

3. 发明申请

WO2006056218A1 CABLE MANUFACTURING PROCESS 审中-公开
标题翻译：电缆制造工艺
公开(公告)号：WO2006056218A1
公开(公告)日：2006-06-01
申请号：PCT/EP2004/013289
申请日：2004-11-23
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , DELL'ANNA, Gaia , BAREGGI, Alberto , BELLI, Sergio
发明人： DELL'ANNA, Gaia , BAREGGI, Alberto , BELLI, Sergio
IPC分类号： H01B13/14
CPC分类号： B29C47/26 , B29C47/0016 , B29C47/0023 , B29C47/025 , B29C47/065 , B29C47/265 , B29L2031/3462 , H01B13/141 , H01B13/143
摘要： The present invention concerns a process for manufacturing a cable, said cable comprising: a conductor; an inner semiconductive layer surrounding said conductor and having a thickness lower than or equal to 0.4 mm;, and an insulating layer surrounding said inner semiconductive layer. The process comprises the step of co-extruding the inner semiconductive layer and the insulating layer. Said step comprises: a) providing a first annular flow of inner semiconductive material and a second annular flow of insulating material; b) contacting the outer surface of said first annular flow and the inner surface of said second annular flow at an axial distance from the contacting point where the inner surface of said first annular flow contacts the conductor; c) selecting in combination said predetermined feeding speed and said contacting point (D), as a function of the dynamic viscosity (η) 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 said contacting point, is comprised from about 0.5 to 4; d) compression extruding the insulating layer and the inner semiconductive layer onto the conductor.
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：导体; 围绕所述导体并具有小于或等于0.4mm的厚度的内部半导体层;以及围绕所述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。所述步骤包括：a）提供内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体的内表面在距离所述第一环形流动体的内表面接触导体的接触点的轴向距离处接触; c）作为内半导体材料和绝缘材料的动态粘度（λ）的函数，选择所述预定进给速度和所述接触点（D）的组合，使得内部半导体的剪切应力在挤出模头的径向内壁处的层和在所述接触点附近的挤出模头的径向外壁处的绝缘层的剪切应力为约0.5至4; d）将绝缘层和内部半导体层压缩挤出到导体上。

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. 发明授权

EP1700318B1 PROCESS FOR MANUFACTURING A SELF-EXTINGUISHING CABLE 有权
标题翻译：用于生产自熄CABLE
公开(公告)号：EP1700318B1
公开(公告)日：2008-03-19
申请号：EP03819147.4
申请日：2003-12-24
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
发明人： GRASSELLI, Gianbattista , BAREGGI, Alberto , SCELZA, Cristiana , FRIGERIO, Marco , VEGGETTI, Paolo , BELLI, Sergio
IPC分类号： H01B13/14 , C08K3/00 , B29C44/32 , H01B7/29
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.

6. 发明授权

EP1576624B1 METHOD FOR PRODUCING A COATING LAYER MADE OF EXPANDABLE AND CROSS-LINKABLE MATERIAL IN A CABLE 失效转让
标题翻译：法生产可膨胀和材料VERNEZTBAREM的电缆层
公开(公告)号：EP1576624B1
公开(公告)日：2007-06-06
申请号：EP02808285.7
申请日：2002-12-23
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
发明人： BALCONI, Luca , BAREGGI, Alberto , BELLI, Sergio
IPC分类号： H01B13/14
CPC分类号： H01B13/145 , B29C47/0004 , B29C47/0016 , B29C47/025 , B29C47/8805 , B29K2301/10 , H01B9/027
摘要： A method is described for producing a cable (1, 101) including: at least one transmissive element (2), such as for example an element transmitting electrical energy or optionally optical signals as well; and an expanded and cross-linked coating layer (5) in a radially outer position with respect to said at least one transmissive element (2), said coating layer (5) comprising a composition including an expandable and cross-linkable polymeric material. The method comprises the following steps of: 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 above-mentioned coating layer made of expandable and cross-linkable polymeric material. The method of the invention provides that the above-mentioned 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. The method of the invention allows to attain a saving in production time and costs with respect to the prior art methods.

7. 发明授权

EP1243004B1 ELECTRIC CABLE RESISTANT TO WATER PENETRATION 有权
标题翻译：防水电缆
公开(公告)号：EP1243004B1
公开(公告)日：2006-11-08
申请号：EP00989980.8
申请日：2000-12-15
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
发明人： BELLI, Sergio , BAREGGI, Alberto , VEGGETTI, Paolo , CASTELLANI, Luca , POZZATI, Giovanni , BALCONI, Luca
IPC分类号： H01B7/288
CPC分类号： H01B7/288 , Y02A30/14
摘要： Electric cable ( 20 ), in particular for power transmission or distribution at medium or high voltage, comprising a metallic screen ( 5 ) and a water swellable layer ( 21 ) capable of forming a barrier to the water penetration provided in a position radially external to said metallic screen ( 5 ). Said water swellable layer ( 21 ) is made of an expanded polymeric material in which a water swellable material preferably in the form of powder, is embedded.

8. 发明公开

EP1682324A1 METHOD AND PLANT FOR THE INTRODUCTION OF A LIQUID INTO A MOLTEN MASS UNDER PRESSURE 有权转让
标题翻译：方法和系统将液体注入到加压熔体
公开(公告)号：EP1682324A1
公开(公告)日：2006-07-26
申请号：EP03775806.7
申请日：2003-10-31
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
发明人： BALCONI, Luca , DELL'ANNA, Gaia , BAREGGI, Alberto , BELLI, Sergio
IPC分类号： B29C45/18 , B29C47/10 , H01B13/14 , B01F5/04
CPC分类号： H01B13/14 , B29C47/0004 , B29C47/0023 , B29C47/065 , B29C47/1045 , B29C47/1063 , B29C47/26 , B29C47/28 , B29K2101/10 , B29K2101/12 , B29K2105/0005 , B29K2105/0023 , B29K2105/16 , B29K2995/0005 , B29K2995/0006 , B29K2995/0007 , B29L2031/3462
摘要： A method and plant (1) for the introduction of a liquid into a molten mass under pressure are described. Such a method and such a plant (1) are particularly but not exclusively suitable for the formation of a coating layer (5, 6, 7) on a cable element comprising at least one conductor (4), said layer (5, 6, 7) comprising an extruded thermoplastic polymer forming a continuous phase incorporating a dielectric liquid, and are useful, for example in the production of an electric cable (3) for the transportation and/or distribution of electrical power. The method comprises the steps of bringing the liquid to a predetermined pressure greater than the pressure of the molten mass; feeding the liquid into a plurality of storage tanks (12); and injecting the liquid into the molten mass at an injection pressure equal to the above-mentioned predetermined pressure by means of a plurality of injectors (13) in respective fluid communication with the plurality of storage tanks (12). Advantageously, this allows to accomplish a substantial continuity of delivery of the liquid in a technologically simple way and at low costs, while ensuring a dispersion as uniform as possible of the liquid within the molten mass.

9. 发明授权

EP1258013B1 IMPACT-RESISTANT SELF-EXTINGUISHING CABLE 有权
标题翻译：耐冲击自熄电缆
公开(公告)号：EP1258013B1
公开(公告)日：2008-07-30
申请号：EP01925340.0
申请日：2001-02-20
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
发明人： BELLI, Sergio , TIRELLI, Diego , VEGGETTI, Paolo , BAREGGI, Alberto
IPC分类号： H01B7/295
CPC分类号： H01B3/441 , H01B7/295

10. 发明授权

EP1495474B1 ELECTRIC CABLE AND MANUFACTURING PROCESS THEREOF 有权
标题翻译：电力电缆及方法
公开(公告)号：EP1495474B1
公开(公告)日：2008-11-12
申请号：EP02750859.7
申请日：2002-04-16
申请人： Prysmian Cavi e Sistemi Energia S.r.l.
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.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式