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

Applicant: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. ,  PAVAN, Massimiliano ,  PIZZORNO, Massimo ,  GINOCCHIO, Alessandro ,  CESCHIAT, Davide

Inventor： PAVAN, Massimiliano ,  PIZZORNO, Massimo ,  GINOCCHIO, Alessandro ,  CESCHIAT, Davide

IPC: G02B6/44

CPC classification number: G02B6/4494 ,  G02B6/441

Abstract: 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.

Abstract translation: 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。

公开(公告)号：WO2009016424A1

公开(公告)日：2009-02-05

申请号：PCT/IB2007/002187

申请日：2007-07-30

Applicant: PRYSMIAN S.P.A. ,  CONSONNI, Enrico ,  CESCHIAT, Davide

Inventor： CONSONNI, Enrico ,  CESCHIAT, Davide

IPC: G02B6/44

CPC classification number: G02B6/4429 ,  C08L23/0853 ,  C08L23/0869 ,  C08L2203/20 ,  C08L2203/202 ,  C08L2205/02 ,  C08L2205/03 ,  G02B6/4402 ,  G02B6/443 ,  C08L2666/02

Abstract: The present invention relates to a telecommunication cable equipped with at least one optical fiber coated by a tight buffer layer made from a polymeric material having an ultimate elongation equal to or lower than 100% and an ultimate tensile strength equal to or lower than 10 MPa. The above combination of features of the polymeric material forming the buffer layer allows to obtain an optical fiber which is effectively protected during the installation operations and during use, and at the same time can be easily stripped by the installer without using any stripping tools, simply by applying a small pressure with his fingertips and a moderate tearing force along the fiber axis.

Abstract translation: 本发明涉及一种电信电缆，其配备有至少一根光纤，该光纤由具有等于或小于100％的极限伸长率和等于或低于10MPa的极限拉伸强度的聚合材料制成的紧密缓冲层涂覆。 形成缓冲层的聚合材料的特征的上述组合允许获得在安装操作期间和使用期间被有效保护的光纤，并且同时可以容易地由安装者剥离，而不使用任何剥离工具，简单地 通过使用他的指尖施加小的压力并沿着纤维轴线施加适度的撕裂力。

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

Applicant: PRYSMIAN CAVI E SISTEMI ENERGIA S.R.L. ,  PIZZORNO, Massimo ,  GINOCCHIO, Alessandro ,  PAVAN, Massimiliano ,  CESCHIAT, Davide

Inventor： PIZZORNO, Massimo ,  GINOCCHIO, Alessandro ,  PAVAN, Massimiliano ,  CESCHIAT, Davide

IPC: G02B6/44

CPC classification number: G02B6/4494 ,  G02B6/441

Abstract: 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).

Abstract translation: 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）。

公开(公告)号：WO2003083515A2

公开(公告)日：2003-10-09

申请号：PCT/GB2003/001064

申请日：2003-03-13

Applicant: PIRELLI GENERAL PLC ,  PIRELLI SPA ,  SUTEHALL, Ralph ,  DAVIES, Martin, Vincent ,  PIKE, Roger, John ,  CESCHIAT, Davide ,  PIZZORNO, Massimo

Inventor： SUTEHALL, Ralph ,  DAVIES, Martin, Vincent ,  PIKE, Roger, John ,  CESCHIAT, Davide ,  PIZZORNO, Massimo

IPC: G02B

CPC classification number: G02B6/4485 ,  G02B6/4438 ,  Y10T428/2924

Abstract: An optical fibre unit (10) comprises a sheath (12) and a plurality of optical fibre element (14) loosely housed in the sheath. The sheath is coated with particles of an adherence reducing substance and has a radial thickness that is not substantially greater than 0.3mm. The coating (16) of adherence reducing particles is applied as a liquid coating comprising a dispersion of the particles and heat is applied to evaporate the liquid content of the liquid coating to produce a dry coating of particles on the sheath.

Abstract translation: 光纤单元（10）包括护套（12）和松散地容纳在护套中的多个光纤元件（14）。 护套涂覆有粘附减少物质的颗粒并且具有基本上不大于0.3mm的径向厚度。 减粘附颗粒涂层（16）作为包含颗粒分散体的液体涂层施加，并施加热量以蒸发液体涂层的液体内容物，以在鞘层上产生颗粒的干涂层。

公开(公告)号：WO2012032370A1

公开(公告)日：2012-03-15

申请号：PCT/IB2010/002289

申请日：2010-09-10

Applicant: PRYSMIAN S.P.A. ,  CONSONNI, Enrico ,  CAIMI, Luigi ,  CESCHIAT, Davide

Inventor： CONSONNI, Enrico ,  CAIMI, Luigi ,  CESCHIAT, Davide

IPC: G02B6/44 ,  F16L11/12 ,  H01B7/29

CPC classification number: G02B6/4436 ,  G02B6/443 ,  G02B6/4433 ,  H01B7/295

Abstract: A fire resistant optical cable (10) comprising: a plurality of optical fibers (11); at least one tubular layer of a ceramifiable material (13) surrounding the plurality of optical fibers; at least one flame shielding layer (16) surrounding the tubular layer. The tubular layer of the ceramifiable material (13) is able to mechanically protect the optical fibers not only during heating but also when the fire is extinguished, since it forms a sufficiently robust layer to withstand the mechanical stresses caused by the collapsing of the materials still surrounding the cable, especially in the transitions portions between hot and cold zones. The tubular layer of the ceramifiable material is protected by means of at least one flame shielding layer which prevents the flames to directly act onto the ceramifiable material.

Abstract translation: 一种防火光缆（10），包括：多根光纤（11）; 围绕所述多根光纤的可陶瓷材料（13）的至少一个管状层; 围绕管状层的至少一个火焰屏蔽层（16）。 可陶瓷材料（13）的管状层能够不仅在加热期间而且当火熄灭时机械地保护光纤，因为它形成足够坚固的层以承受由材料的塌陷引起的机械应力 围绕电缆，特别是在热区和冷区之间的过渡部分。 可陶瓷材料的管状层通过至少一个阻燃火焰直接作用于可陶瓷材料的火焰屏蔽层来保护。

公开(公告)号：WO2003083515A3

公开(公告)日：2003-10-09

申请号：PCT/GB2003/001064

申请日：2003-03-13

Applicant: PIRELLI GENERAL PLC ,  PIRELLI & C. S.p.A. ,  SUTEHALL, Ralph ,  DAVIES, Martin, Vincent ,  PIKE, Roger, John ,  CESCHIAT, Davide ,  PIZZORNO, Massimo

Inventor： SUTEHALL, Ralph ,  DAVIES, Martin, Vincent ,  PIKE, Roger, John ,  CESCHIAT, Davide ,  PIZZORNO, Massimo

IPC: G02B6/44

Abstract: An optical fibre unit (10) comprises a sheath (12) and a plurality of optical fibre element (14) loosely housed in the sheath. The sheath is coated with particles of an adherence reducing substance and has a radial thickness that is not substantially greater than 0.3mm. The coating (16) of adherence reducing particles is applied as a liquid coating comprising a dispersion of the particles and heat is applied to evaporate the liquid content of the liquid coating to produce a dry coating of particles on the sheath.

公开(公告)号：WO2014023348A1

公开(公告)日：2014-02-13

申请号：PCT/EP2012/065498

申请日：2012-08-08

Applicant: PRYSMIAN S.P.A. ,  CESCHIAT, Davide ,  MARITANO, Mauro

Inventor： CESCHIAT, Davide ,  MARITANO, Mauro

IPC: G02B6/44

CPC classification number: G02B6/4436 ,  G02B6/4433 ,  G02B6/4438 ,  G02B6/46

Abstract: An optical cable (200) has a cable core comprising at least one tube (205) loosely accommodating optical fibers (210), the at least one tube being accommodated within a jacket (215) embedding at least two strength members (220), the cable core and the jacket comprising combustible material. A ratio core combustible material/jacket combustible material is lower than 60 vol%. The jacket is made of a composition having hardness of at least 60 Shore D and a LOI higher than 35%.

Abstract translation: 光缆（200）具有电缆芯，该芯线包括至少一个松散地容纳光纤（210）的管（205），所述至少一个管容纳在嵌入至少两个强度构件（220）的护套（215）内， 电缆芯和夹套包括可燃材料。 核心可燃材料/护套可燃材料的比例低于60体积％。 夹克由硬度至少为60肖氏D和LOI高于35％的组合物制成。

公开(公告)号：WO2011035814A1

公开(公告)日：2011-03-31

申请号：PCT/EP2009/062491

申请日：2009-09-28

Applicant: PRYSMIAN S.P.A. ,  CONSONNI, Enrico ,  CESCHIAT, Davide ,  FRIGERIO, Silvio ,  TRIDELLO, Flavio

Inventor： CONSONNI, Enrico ,  CESCHIAT, Davide ,  FRIGERIO, Silvio ,  TRIDELLO, Flavio

IPC: G02B6/44

CPC classification number: G02B6/4429 ,  G02B6/441 ,  G02B6/4433 ,  G02B6/4495

Abstract: It is disclosed an optical cable for Communications comprising at least one micromodule, the micromodule comprising a retaining element and number N of optical fibers housed in said retaining element. The diameter of a circumference encircling the number N of optical fibers is 90% to 95% of an inner diameter of the retaining element. The retaining element is made of a film grade polymeric material having an elongation at break equal to or higher than 500%, a melt flow index (MFI) lower than 3 g/10 min and a density lower than 1 g/cm 3 .

Abstract translation: 公开了一种用于通信的光缆，包括至少一个微型组件，该微型组件包括容纳在所述保持元件中的保持元件和数量为N的光纤。 围绕光纤数量N的圆周的直径为保持元件的内径的90％至95％。 保持元件由断裂伸长率等于或高于500％，熔体流动指数（MFI）低于3g / 10min和密度低于1g / cm 3的膜级聚合材料制成。