公开(公告)号：WO2015055229A1

公开(公告)日：2015-04-23

申请号：PCT/EP2013/071464

申请日：2013-10-15

Applicant: PRYSMIAN S.P.A.

Inventor： SUTEHALL, Ralph ,  MASON, Mark Richard

IPC: G02B6/44

CPC classification number: G02B6/4438 ,  G02B6/4413 ,  G02B6/4434 ,  G02B6/4464 ,  G02B6/449

Abstract: It is disclosed an optical fiber unit for air-blown installations comprising a plurality of optical fiber sub-units and a central member, wherein the optical fiber sub-units are stranded around the central member; wherein each of the optical fiber sub-units comprises a number of optical fibres, an inner layer which is radially outer to the optical fibres and an outer layer which is radially outer to the inner layer, wherein the outer layer comprises particulate material which is partially embedded into the outer layer; and wherein the optical fiber unit further comprises a binder for keeping the stranded optical fiber sub-units in a proper arrangement.

Abstract translation: 公开了一种用于吹风装置的光纤单元，其包括多个光纤子单元和中心构件，其中光纤子单元围绕中心构件绞合; 其中每个光纤子单元包括多个光纤，在光纤的径向外侧的内层和在内层的径向外侧的外层，其中外层包括部分 嵌入外层; 并且其中所述光纤单元还包括用于将所述绞合光纤子单元保持在适当布置中的粘合剂。

公开(公告)号：WO2015079463A1

公开(公告)日：2015-06-04

申请号：PCT/IT2013/000335

申请日：2013-11-29

Applicant: PRYSMIAN S.p.A.

Inventor： SUTEHALL, Ralph ,  DAVIES, Martin ,  PADDICK, Nathan ,  ROBERTS, Paul ,  LANG, Ian Dewi ,  MASON, Mark Richard

IPC: G02B6/44

CPC classification number: G02B6/4438 ,  G02B6/4433 ,  G02B6/4464 ,  G02B6/4486

Abstract: It is disclosed an optical fiber unit for air-blown installations comprising a number of optical conductors (2), a first layer (3i) of resin material, a second layer (3o) of resin material radially outer to the first layer (3i) of resin material and a sheath (4) of a thermoplastic material, wherein said second layer (3o) of resin material has a Secant Modulus higher than a Secant Modulus of said first layer (3i) of resin material and wherein said sheath (4) of a thermoplastic material is over and in close contact with said second layer (3o) of resin material.

Abstract translation: 公开了一种用于吹风装置的光纤单元，包括多个光导体（2），树脂材料的第一层（3i），第一层（3i）径向外侧的树脂材料的第二层（3o） 的树脂材料和热塑性材料的护套（4），其中所述树脂材料的第二层（3o）具有高于所述树脂材料的第一层（3i）的正割模数的切割模量，并且其中所述护套（4） 的热塑性材料与树脂材料的所述第二层（3o）紧密接触。

公开(公告)号：WO2018153489A1

公开(公告)日：2018-08-30

申请号：PCT/EP2017/054438

申请日：2017-02-27

Applicant: PRYSMIAN S.P.A.

Inventor： LANG, Ian Dewi ,  MASON, Mark Richard ,  PENNELL, Richard John ,  BEVIS, John Andrew

IPC: G02B6/44 ,  G02B6/52

Abstract: It is disclosed an optical fibre unit for air-blown installations comprising: a number of optical fibres, an inner layer substantially completely embedding said optical fibres, and an outer layer radially external to the inner layer, wherein said inner layer has a tensile strength of from 0.1 MPa to 1 MPa, and an elongation at break of from % to 80%.

公开(公告)号：WO2014194949A1

公开(公告)日：2014-12-11

申请号：PCT/EP2013/061644

申请日：2013-06-06

Applicant: PRYSMIAN S.P.A.

Inventor： MASON, Mark Richard ,  LANG, Ian Dewi

IPC: C03C25/10 ,  B05D1/14 ,  C03C25/14

CPC classification number: C03C25/109 ,  B05D5/02 ,  B05D7/20 ,  C03C25/1065 ,  C03C25/143 ,  C03C25/47

Abstract: It is disclosed a process for manufacturing an optical fibre unit for air-blown installations comprising: providing a deposition chamber for applying particulate material, said deposition chamber having an inlet end and an outlet end and a longitudinal axis; passing through the deposition chamber an optical fibre assembly comprising at least one optical fibre embedded in an inner layer of cured resin material, and having an outer layer around said inner layer, the outer layer comprising uncured resin material; injecting a flow of fluid and particle material in said chamber in a direction substantially parallel to the chamber longitudinal axis, at an injection speed of 5 m/s at most; perturbing the flow when in said chamber, thus causing the particle material to impact and partially embed into the outer layer of the optical fibre assembly; and curing the outer layer.

Abstract translation: 公开了一种用于制造用于吹风装置的光纤单元的方法，包括：提供用于施加颗粒材料的沉积室，所述沉积室具有入口端和出口端以及纵向轴线; 通过所述沉积室，包括光纤组件，该光纤组件包括嵌入在固化树脂材料的内层中的至少一个光纤，并且在所述内层周围具有外层，所述外层包括未固化的树脂材料; 在基本上平行于腔室纵向轴线的方向上以最大5m / s的注射速度注入所述腔室中的流体和颗粒材料流; 在所述室中扰乱流动，从而使颗粒材料冲击并部分地嵌入到光纤组件的外层中; 并固化外层。