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1. 发明申请

WO2004040347A1 TELECOMMUNICATION CABLE COMPRISING A JOINTED OPTICAL CORE AND METHOD FOR JOINTING SAID CORE 审中-公开
标题翻译：包含接合光芯的电信电缆和接合芯的方法
公开(公告)号：WO2004040347A1
公开(公告)日：2004-05-13
申请号：PCT/EP2002/012097
申请日：2002-10-30
申请人： PIRELLI & C. S.P.A. , CECCHI, Feliciano , GINOCCHIO, Alessandro , ROMANINI, Nunzio , BRANDI, Giovanni
发明人： CECCHI, Feliciano , GINOCCHIO, Alessandro , ROMANINI, Nunzio , BRANDI, Giovanni
IPC分类号： G02B6/44
CPC分类号： G02B6/4471 , G02B6/4427 , G02B6/4467 , H02G1/14
摘要： This invention relates to an optical cable comprising an optical core (101) with a strength member and optical fibers embedded in a thermoplastic material, said optical core comprising a joint section (207) having substantially the same diameter as the one of the optical core, said section comprising a jointed strength member (202) and a plurality of spliced optical fibers (203), said jointed portion of said strength member and said spliced portion of said optical fibers being embedded into a cured polymeric material (206). Also a method for manufacturing said optical core is disclosed.
摘要翻译：本发明涉及一种光缆，其包括具有加强构件的光学芯（101）和嵌入在热塑性材料中的光纤，所述光学芯包括具有与所述光学核的直径基本相同的直径的接合部（207）所述部分包括接合强度构件（202）和多个拼接光纤（203），所述加强构件的所述接合部分和所述光纤的所述接合部分嵌入固化的聚合物材料（206）中。还公开了一种用于制造所述光芯的方法。

2. 发明申请

WO2005015280A1 DIELECTRIC OPTICAL FIBER CABLE HAVING IMPROVED INSTALLATION FEATURES 审中-公开
标题翻译：具有改进安装特性的电介质光纤电缆
公开(公告)号：WO2005015280A1
公开(公告)日：2005-02-17
申请号：PCT/EP2003/008268
申请日：2003-07-25
申请人： PIRELLI & C. S.P.A. , PIZZORNO, Massimo , GINOCCHIO, Alessandro , BRANDI, Giovanni
发明人： PIZZORNO, Massimo , GINOCCHIO, Alessandro , BRANDI, Giovanni
IPC分类号： G02B6/44
CPC分类号： G02B6/4433
摘要： A telecommunication optical fiber cable and in particular a reduced diameter optical cable with improved installation features for use in the end part of an access telecommunication network. The optical fiber cable comprising: a number of optical fibers; at least a core tube containing the optical fibers; a jacket surrounding the core tube; and at least one strength rod spaced from the central axis, the cable having a twisting stiffness G * J p , wherein G is the elastic shear modulus; and J p is the polar moment of inertia of a cable section, wherein the twisting stiffness G * J p is lower than, or equal to, 0,10 Nm 2 , preferably lower than, or equal to, 0,05 Nm 2 and more preferably lower than, or equal to, 0,02 Nm 2 . The cable is profitably installable by a blown method.
摘要翻译：电信光纤电缆，特别是具有改进的安装特征的减小直径的光缆，用于接入电信网络的端部。该光缆包括：多根光纤; 至少包含光纤的芯管; 围绕核心管的护套; 和至少一个与所述中心轴线间隔开的强度棒，所述电缆具有扭转刚度G * J p，其中G是弹性剪切模量; 并且J p是电缆部分的极性惯性矩，其中扭转刚度G * J p低于或等于0,10Nm 2，优选地低于或等于0.05Nm 更优选低于或等于0.02Nm 2。电缆可以通过吹制方式有利地安装。

3. 发明申请

WO2005040882A1 TELECOMMUNICATION LOOSE TUBE OPTICAL CABLE WITH REDUCED DIAMETER 审中-公开
标题翻译：具有减小直径的电缆松套管光缆
公开(公告)号：WO2005040882A1
公开(公告)日：2005-05-06
申请号：PCT/EP2003/010913
申请日：2003-09-30
申请人： PIRELLI & C. S.P.A. , PIZZORNO, Massimo , GINOCCHIO, Alessandro , CONSONNI, Enrico
发明人： PIZZORNO, Massimo , GINOCCHIO, Alessandro , CONSONNI, Enrico
IPC分类号： G02B6/44
CPC分类号： G02B6/441 , G02B6/443 , G02B6/4434
摘要： It is described an optical fiber cable having an highly reduced diameter. The cable comprises: a central strength member (2); a number of tubes (3) containing loosely arranged optical fibers (4), each tube (3) having a thickness, each optical fiber having a coating; and a protective outer jacket (6), wherein the filling coefficient of optical fibers in at least one loose tube is ≥ 45°/0; the tubes comprise a material having an elasticity modulus ≥ 700 MPa; and the optical fibers are SM-R fibers having a microbending sensitivity ≤ 4,0 dB. km -1 / g. mm -1 in a temperature range from about -30 °C to +60 °C at about 1550 nm.
摘要翻译：描述了具有高度减小的直径的光纤电缆。电缆包括：中心强度构件（2）; 包含松散布置的光纤（4）的多个管（3），每个管（3）具有厚度，每个光纤具有涂层; 和保护外护套（6），其中至少一个松套管中的光纤的填充系数> 45°/ 0; 管包括弹性模量> = 700MPa的材料; 并且光纤是具有微弯曲灵敏度<= 0.4DB的SM-R纤维。 KM <-1> / g。在约1550nm的温度范围为约-30℃至+60℃的温度范围内。

4. 发明申请

WO2004051336A1 HIGH COUNT TELECOMMUNICATION OPTICAL CABLE WITH CONTROLLED FIBER LENGTH, METHOD AND APPARATUS FOR MANUFACTURING THE SAME 审中-公开
标题翻译：具有控制纤维长度的高数量的电信电缆，用于制造其的方法和装置
公开(公告)号：WO2004051336A1
公开(公告)日：2004-06-17
申请号：PCT/EP2002/013682
申请日：2002-12-03
申请人： PIRELLI & C. S.P.A. , BAU', Fabio , GINOCCHIO, Alessandro
发明人： BAU', Fabio , GINOCCHIO, Alessandro
IPC分类号： G02B6/44
CPC分类号： G02B6/4484 , G02B6/441 , G02B6/449 , Y10T29/49 , Y10T29/49885
摘要： Disclosed is a telecommunication optical cable (1) comprising: a number of optical fibers (2); at least a microsheath (4, 5) loosely containing the optical fibers, the at least one microsheath loosely containing the optical fibers therein forming at least one corresponding microbundle, wherein the optical fibers are stranded according to an open helix trajectory. Disclosed are also an apparatus and a method for manufacturing the cable. The resulting cable has an equalized/controlled fiber length variation, a controlled optical attenuation, is highly thermally stable and has a reduced size with respect to the known telecommunication optical cables. The loose cable according to the present invention shows the same minimized length difference in any spans thereof.
摘要翻译：公开了一种电信光缆（1），包括：多个光纤（2）; 至少一个松散地包含光纤的微小鞘（4,5），所述至少一个微卫生体松散地包含其中的光纤，形成至少一个对应的微束，其中所述光纤根据开放的螺旋轨迹而绞合。还公开了一种用于制造电缆的装置和方法。所得到的电缆具有均衡/受控的光纤长度变化，受控的光学衰减是高度热稳定的并且相对于已知的电信光缆具有减小的尺寸。根据本发明的松散电缆在其任何跨度中显示相同的最小化的长度差异。

5. 发明申请

WO2005040883A1 TELECOMMUNICATION OPTICAL CABLE FOR GAS PIPELINE APPLICATION HAVING BUILT-IN LEAKAGE DETECTING DEVICE 审中-公开
标题翻译：用于具有内置泄漏检测装置的气体管道应用的电信光缆
公开(公告)号：WO2005040883A1
公开(公告)日：2005-05-06
申请号：PCT/EP2003/050746
申请日：2003-10-23
申请人： PIRELLI & C. S.P.A. , PIZZORNO, Massimo , GINOCCHIO, Alessandro , MARITANO, Mauro
发明人： PIZZORNO, Massimo , GINOCCHIO, Alessandro , MARITANO, Mauro
IPC分类号： G02B6/44
CPC分类号： E21B47/1025 , G01K11/32 , G01M3/047 , G02B6/4407 , G02B6/441 , G02B6/4433
摘要： It is disclosed a telecommunication fiber optic cable (11) for gas pipeline application and having a built-in leakage detecting device, the cable comprising: an optical core (16) including a number of telecommunication optical fibers (12) , an other jacket (13) covering the optical core, and one or more gas leakage detector optical fibers (15) , wherein said one or more gas leakage detector optical fibers are enclosed within the outer jacket. Preferably, the cable comprises a linearly extending rod reinforcing system (14) comprising strength rods that force the cable to bend in a preferential bending place. Profitably, the leakage detector optical fibers are located at, or close to, a plane that is substantially orthogonal to the preferential bending plane and passing through the cable neutral axis.
摘要翻译：公开了一种用于气体管道应用的通信光纤电缆（11），并具有内置的泄漏检测装置，所述电缆包括：包括多个电信光纤（12），另一个外壳（ 13），以及一个或多个气体泄漏检测器光纤（15），其中所述一个或多个气体泄漏检测器光纤被封装在所述外护套内。优选地，电缆包括线性延伸杆加强系统（14），其包括强制杆，其强制电缆在优先弯曲位置弯曲。有利的是，泄漏检测器光纤位于基本上正交于优先弯曲平面并穿过电缆中性轴线的平面处或附近。

6. 发明申请

WO2006034722A1 OPTICAL CABLE FOR COMMUNICATION 审中-公开
标题翻译：用于通信的光缆
公开(公告)号：WO2006034722A1
公开(公告)日：2006-04-06
申请号：PCT/EP2004/010811
申请日：2004-09-27
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , PAVAN, Massimiliano , PIZZORNO, Massimo , GINOCCHIO, Alessandro , CESCHIAT, Davide
发明人： PAVAN, Massimiliano , PIZZORNO, Massimo , GINOCCHIO, Alessandro , CESCHIAT, Davide
IPC分类号： G02B6/44
CPC分类号： G02B6/4494 , G02B6/441
摘要： An optical cable (5, 105) for communication comprising at least one micromodule (1), said micromodule being blocked with respect to the propagation of water is described. The at least one micromodule (1) comprises at least one optical fiber (2), a retaining element (3) for housing the at least one optical fiber (2), and a thixotropic filling compound (4) arranged within the retaining element (3). According to the invention, the filling compound (4) is thixotropic, has a viscosity higher than or equal to 700 Pa-s at zero shear rate and at a first temperature of 20°C, a loss modulus G" lower than or equal to 3000 MPa at 1 Hz and at a second temperature of -45°C, and is compatible with said retaining element.
摘要翻译：描述了一种用于通信的光缆（5,105），包括至少一个微型模块（1），所述微型模块相对于水的传播被阻挡。所述至少一个微型组件（1）包括至少一个光纤（2），用于容纳所述至少一个光纤（2）的保持元件（3）和布置在所述保持元件内的触变填充化合物（4） 3）。根据本发明，填充化合物（4）是触变性的，在零剪切速率和20℃的第一温度下具有高于或等于700Pa·s的粘度，损耗模量G“低于或等于在1Hz下为3000MPa，在-45℃的第二温度下，与所述保持元件相容。

7. 发明申请

WO2006102910A1 METHOD AND APPARATUS FOR MANUFACTURING AN OPTICAL CABLE AND CABLE SO MANUFACTURED 审中-公开
标题翻译：制造光缆和制造电缆的方法和装置
公开(公告)号：WO2006102910A1
公开(公告)日：2006-10-05
申请号：PCT/EP2005/003266
申请日：2005-03-29
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , SALES CASALS, Luis , SANGALLI, Flavio , DELLA CORTE, Francesco , GINOCCHIO, Alessandro
发明人： SALES CASALS, Luis , SANGALLI, Flavio , DELLA CORTE, Francesco , GINOCCHIO, Alessandro
IPC分类号： G02B6/44
CPC分类号： G02B6/4484 , G02B6/4488
摘要： A method and apparatus for manufacturing an optical cable comprising at least one metal tube housing at least one optical fiber and having a predetermined excess fiber length (EFL) is described. In this method the metal tube is plastically deformed and shortened by a predetermined amount (S t ) greater than the predetermined EFL and is plastically deformed after shortening to provide a controlled elongation thereof so as to reach the predetermined excess fiber length. An optical cable so manufactured has a local excess fiber length (EFL) varying of or less than 0.2% along the longitudinal extension of the cable with respect to an average EFL of the cable.
摘要翻译：描述了一种用于制造光缆的方法和装置，其包括容纳至少一根光纤并且具有预定的过多纤维长度（EFL）的至少一个金属管。在这种方法中，金属管被塑性变形并且缩短了大于预定EFL的预定量（S >t），并且在缩短之后塑性变形以提供其受控的伸长率，从而达到预定的过量纤维长度。如此制造的光缆具有相对于电缆的平均EFL沿着电缆的纵向延伸而变化或小于0.2％的局部过剩纤维长度（EFL）。

8. 发明申请

WO2006048040A1 WATER-BLOCKED OPTICAL CABLE AND PROCESS FOR THE PRODUCTION THEREOF 审中-公开
标题翻译：水封式光缆及其生产工艺
公开(公告)号：WO2006048040A1
公开(公告)日：2006-05-11
申请号：PCT/EP2004/012631
申请日：2004-11-05
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , GINOCCHIO, Alessandro , CONSONNI, Enrico , PRESA, Paolo, Arturo , PIZZORNO, Massimo , MARITANO, Mauro
发明人： GINOCCHIO, Alessandro , CONSONNI, Enrico , PRESA, Paolo, Arturo , PIZZORNO, Massimo , MARITANO, Mauro
IPC分类号： G02B6/44
CPC分类号： G02B6/4494 , G02B6/441
摘要： An optical cable (100) for communication comprising at least one retaining element (2) blocked with respect to the water propagation as well as a process for manufacturing such an optical cable (100) are described. The optical cable (100) comprises, in addition to the retaining element (2), at least two transmission elements (3) housed within the retaining element (2), and a water swellable yarn (4) housed within the retaining element (2). The water swellable yarn (4) is selected according to the following equation: (I) in which V W is the volume of the water swellable yarn (4) after swelling upon contact with water; Vis the total free volume in the retaining element (2); k is a constant ≥ 180 R is a constant ≥ 1.4; and V t is the free volume per each transmission element (3). Advantageously, the optical cable (100) is water-blocked and the water swellable yarn (4) does not induce microbending effects on the transmission elements (3).
摘要翻译：描述了一种用于通信的光缆（100），其包括相对于水传播被阻挡的至少一个保持元件（2）以及用于制造这种光缆（100）的工艺。除了保持元件（2）之外，光缆（100）还包括容纳在保持元件（2）内的至少两个传动元件（3）和容纳在保持元件（2）内的水溶胀纱线）。水溶胀性纱线（4）根据以下等式选择：（I）其中V W是在与水接触后溶胀后的水溶胀性纱线（4）的体积; 确定保持元件（2）中的总自由体积; k是常数= 180 R是常数= 1.4; V 3是每个传动元件（3）的自由体积。有利地，光缆（100）被水封闭，并且水可溶胀纱线（4）不会对传动元件（3）引起微弯曲效应。

9. 发明申请

WO2002099491A1 OPTICAL CABLE PROVIDED WITH A MECHANICALLY RESISTANT COVERING 审中-公开
标题翻译：光电缆提供机械电阻覆盖
公开(公告)号：WO2002099491A1
公开(公告)日：2002-12-12
申请号：PCT/EP2002/005849
申请日：2002-05-28
申请人： PIRELLI CAVI E SISTEMI S.P.A , GINOCCHIO, Alessandro , VALLS PRATS, Agusti , CONSONNI, Enrico
发明人： GINOCCHIO, Alessandro , VALLS PRATS, Agusti , CONSONNI, Enrico
IPC分类号： G02B6/44
CPC分类号： G02B6/443 , G02B6/441
摘要： The present invention relates to an optical cable comprising at least one element for the transmission of optical signals, and a structure that is able to protect said at least one element. Said structure is a multilayer structure and is arranged in a position radially external to said at least one element and comprises: a) at least one first covering layer of polymeric material in a position radially external to said at least one element; b) at least one covering layer of foamed polymeric material in a position radially external to said at least one first covering layer, and c) at least one second covering layer of polymeric material in a position radially external to said at least one covering layer of foamed polymeric material. The foamed polymeric material has a density between 0.3 and 0.7 kg/dm 3 and tensile modulus at 20°C between 300 and 700 MPa. The present invention further relates to a multilayer structure of the type as above and a method for the protection of at least one element for the transmission of optical signals.
摘要翻译：本发明涉及一种光缆，其包括用于传输光信号的至少一个元件，以及能够保护所述至少一个元件的结构。所述结构是多层结构，并且被布置在所述至少一个元件的径向外部的位置，并且包括：a）在所述至少一个元件的径向外侧的位置中的至少一个聚合材料的第一覆盖层; b）在所述至少一个第一覆盖层的径向外侧的位置处的至少一层泡沫聚合物材料的覆盖层，以及c）在所述至少一个第一覆盖层的径向外部位于径向外侧的位置处的聚合材料的至少一个第二覆盖层发泡聚合材料。发泡聚合物材料的密度在0.3至0.7kg / dm 3之间，在20℃下的拉伸模量在300至700MPa之间。本发明还涉及如上所述类型的多层结构和用于保护至少一个用于传输光信号的元件的方法。

10. 发明申请

WO2006034723A1 WATER-RESISTANT OPTICAL CABLE AND MANUFACTURING METHOD 审中-公开
标题翻译：防水光缆和制造方法
公开(公告)号：WO2006034723A1
公开(公告)日：2006-04-06
申请号：PCT/EP2004/010812
申请日：2004-09-27
申请人： PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. , PIZZORNO, Massimo , GINOCCHIO, Alessandro , PAVAN, Massimiliano , CESCHIAT, Davide
发明人： PIZZORNO, Massimo , GINOCCHIO, Alessandro , PAVAN, Massimiliano , CESCHIAT, Davide
IPC分类号： G02B6/44
CPC分类号： G02B6/4494 , G02B6/441
摘要： A method for manufacturing an optical cable (5, 105) for communication comprising at least one micromodule (1), said micromodule (1) being blocked with respect to the propagation of water, is described. The method of the invention comprises the steps of: - providing at least one optical fiber (2); - embedding the at least one optical fiber (2) in a pseudoplastic filling compound (4) having a viscosity comprised between 3 Pa . s and 30 Pa . s, preferably between 7 Pa . s and 25 Pa . s, at a shear rate of 10 s -1 and at a temperature of 100°C, and a cross-over lower than 30 Hz, preferably comprised between 5 Hz and 25 Hz, at a temperature of 100°C; - extruding a retaining element (3) made of a thermoplastic polymeric composition around the at least one optical fiber (2) so embedded in the filling compound (4) to obtain a micromodule (1).
摘要翻译：描述了一种制造用于通信的光缆（5,105）的方法，包括至少一个微型模块（1），所述微型模块（1）相对于水的传播而被阻挡。本发明的方法包括以下步骤： - 提供至少一根光纤（2）; - 将至少一个光纤（2）嵌入到具有3Pa·s和30Pa·s之间的粘度的假塑性填充化合物（4）中，优选在 7Pa·s和25Pa·s，剪切速率为10s -1，温度为100℃，和在100℃的温度下交叉低于30Hz，优选在5Hz和25Hz之间; - 挤出由热塑性聚合物组合物制成的保持元件（3），所述保持元件围绕所述至少一个光纤（2）嵌入所述填充化合物（4）中以获得微型组件（1）。

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