JP3077110B2 - Optical cable for communication - Google Patents
Optical cable for communicationInfo
- Publication number
- JP3077110B2 JP3077110B2 JP01296750A JP29675089A JP3077110B2 JP 3077110 B2 JP3077110 B2 JP 3077110B2 JP 01296750 A JP01296750 A JP 01296750A JP 29675089 A JP29675089 A JP 29675089A JP 3077110 B2 JP3077110 B2 JP 3077110B2
- Authority
- JP
- Japan
- Prior art keywords
- optical cable
- jacket
- support wire
- wire portion
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44382—Means specially adapted for strengthening or protecting the cables the means comprising hydrogen absorbing materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Description
【発明の詳細な説明】 「産業上の利用分野」 本発明は屋外の配線から屋内の配線まで行なうことの
できる通信用光ケーブルに関する。Description: TECHNICAL FIELD The present invention relates to a communication optical cable capable of performing wiring from outdoor wiring to indoor wiring.
「従来の技術」 従来、一般的に考えられている屋外および屋内配線用
途の通信用光ケーブルは、光心線２本の両側に鋼線２本
を平行に配列し、一括してPVC外被を被覆した構造だ
が、この構造では布設の際、端末に光ファイバー心線を
むき出し、接続等の工事をすることになり、光ファイバ
ー心線を傷める等のトラブルを生ずるおそれがあった。"Conventional technology" Conventionally, optical cables for communication for outdoor and indoor wiring, which are generally considered, have two steel wires arranged in parallel on both sides of two optical fibers, and a PVC jacket is collectively provided. Although the structure is covered, in this structure, when laying the fiber, the optical fiber core is exposed to the terminal and connection and other work is performed, which may cause troubles such as damage to the optical fiber core.
また、テンションメンバーとして鋼線２本を配設して
いるため、可とう性がなく、これを屋内線として使用し
た場合、扱いにくい等の欠点があった。In addition, since two steel wires are provided as tension members, they are inflexible, and when used as indoor wires, there are drawbacks such as difficulty in handling.
「本発明の目的」 本発明は以上のような従来の欠点に鑑み、屋外の配線
や屋内の配線を容易に行なうことができるとともに、屋
内の配線が見苦しくなったりすることなく、かつ配線に
よって光ファイバー心線に悪影響を及ぼすことのない通
信用光ケーブルを得るにある。"Object of the present invention" In view of the above-mentioned conventional drawbacks, the present invention makes it possible to easily perform outdoor wiring and indoor wiring, and to make the indoor wiring unobtrusive and to provide an optical fiber by the wiring. An object of the present invention is to provide a communication optical cable that does not adversely affect a core wire.
「本発明の目的を達成するための手段」 本発明は鋼撚線あるいは鋼線等のテンションメンバー
の外周部をプラスチックあるいはゴム等の材質の支持線
部用外被で覆った支持線部と、この支持線部の一側面あ
るいは両側面に配置した光ケーブルと、この光ケーブル
の外周部を覆う前記支持線部用外被と一体成形された該
支持線部用外被の高さ寸法よりも小さな高さ寸法となる
光ケーブル部用外被と、この光ケーブル部用外被と前記
支持線部用外被との間に介装された該支持線部用外被か
ら光ケーブル部用外被を引裂くことのできる引裂き紐
と、前記光ケーブル部用外被に埋設された該光ケーブル
部用外被を引裂き光ケーブルを表出させる引裂き紐とか
らなることを特徴としている。`` Means for achieving the object of the present invention '' The present invention relates to a supporting wire portion in which the outer peripheral portion of a tension member such as a steel stranded wire or a steel wire is covered with a supporting wire portion jacket made of a material such as plastic or rubber, An optical cable disposed on one or both side surfaces of the support line portion, and a height smaller than a height dimension of the support line portion outer cover integrally formed with the support line portion outer cover covering the outer peripheral portion of the optical cable. Tearing the outer sheath for the optical cable portion from the outer sheath for the optical cable portion having the following dimensions, and the outer sheath for the support wire portion interposed between the outer sheath for the optical cable portion and the outer sheath for the support wire portion. And a tear string that ruptures the optical cable section jacket embedded in the optical cable section jacket and exposes the optical cable.
また、本発明はテンションメンバーとして使用できる
電線の外周部をプラスチックあるいはゴム等の材質の支
持線部用外被で覆った支持線部と、この支持線部の一側
面あるいは両側面に配置した光ケーブルと、この光ケー
ブルの外周部を覆う前記支持線部用外被と切断用薄肉部
を介して一体成形された該支持線部用外被の高さ寸法よ
りも小さな高さ寸法となる光ケーブル部用外被と、前記
光ケーブル部用外被に埋設された該光ケーブル部用外被
を引裂き、光ケーブルを表出させる引裂き紐とからなる
ことを特徴としている。Further, the present invention provides a support wire portion in which an outer peripheral portion of an electric wire that can be used as a tension member is covered with a cover for a support wire portion made of a material such as plastic or rubber, and an optical cable disposed on one or both side surfaces of the support wire portion. And an optical cable portion having a height dimension smaller than the height dimension of the support wire portion jacket integrally formed through the support wire portion jacket and the cutting thin portion covering the outer peripheral portion of the optical cable. It is characterized by comprising an outer jacket and a tear string which tears the outer jacket for the optical cable section embedded in the outer jacket for the optical cable section and exposes the optical cable.
「本発明の実施例」 以下、図面に示す実施例により、本発明を詳細に説明
する。"Examples of the present invention" Hereinafter, the present invention will be described in detail with reference to examples shown in the drawings.
第１図ないし第12図の実施例においては、１は屋外に
配線されたものを建物の壁面２等に取付けられた取付け
金具３を介して屋内に配線される本発明の通信用光ケー
ブルで、この通信用光ケーブル１は第２図ないし第７図
に示すように７本の亜鉛メッキ鋼撚線あるいは亜鉛メッ
キ鋼線等のテンションメンバー４の外周部をプラスチッ
クあるいはゴム等の材質の長方形状となる支持線部用外
被５で覆った支持線部６と、この支持線部６の一側面に
沿うように配置された光ケーブル７と、この光ケーブル
７の外周部を覆う前記支持線部用外被５と一体成形され
た該支持線部用外被５の高さ寸法H1よりも小さな高さ寸
法H2となる光ケーブル部用外被８と、この光ケーブル部
用外被８と前記支持線部用外被５との間に介装された該
支持線部用外被５から光ケーブル部用外被８を引裂くこ
とのできる引裂き紐９、９と、前記光ケーブル部用外被
８に埋設された該光ケーブル部用外被８を引裂き、光ケ
ーブル７を表出させる引裂き紐10とから構成されてい
る。In the embodiment shown in FIGS. 1 to 12, reference numeral 1 denotes a communication optical cable according to the present invention, which is wired indoors through a mounting bracket 3 attached to a wall surface 2 of a building or the like, which is wired outdoors. As shown in FIG. 2 to FIG. 7, this communication optical cable 1 has an outer peripheral portion of a tension member 4, such as seven stranded galvanized steel wires or galvanized steel wires, formed in a rectangular shape made of a material such as plastic or rubber. A support wire portion 6 covered by a support wire portion jacket 5, an optical cable 7 arranged along one side surface of the support wire portion 6, and the support wire portion jacket covering an outer peripheral portion of the optical cable 7; a cable unit for envelope 8 made of a small height H 2 than the height H 1 of the support wire portion for envelope 5 which is integrally formed with 5, the support line portion and the optical cable part for sheath 8 The support wire portion jacket 5 interposed between the support wire portion 5 and A tear string 9, 9 capable of tearing the optical cable section jacket 8, a tear string 10 for tearing the optical cable section jacket 8 embedded in the optical cable section jacket 8 and exposing the optical cable 7; It is composed of
前記光ケーブル７は光ファイバー心線11と、この光フ
ァイバー心線11の外周部を覆う補強繊維12と、この補強
繊維12の外周部を覆う外被13とから構成されている。The optical cable 7 includes an optical fiber core 11, a reinforcing fiber 12 covering an outer peripheral portion of the optical fiber core 11, and a jacket 13 covering an outer peripheral portion of the reinforcing fiber 12.
「本発明の実施例の作用」 上記構成の通信用光ケーブル１は、屋外では例えば第
１図および第８図に示すように構成された取付け金具３
を用いて配線されるため、第９図に示すように光ケーブ
ル部用外被８部分は取付け金具３の締付け圧力が加わる
ことがないとともに、支持線部６の鋼撚線あるいは鋼線
等のテンションメンバー４によって充分な引張り強度が
得られる。"Operation of the embodiment of the present invention" The communication optical cable 1 having the above-mentioned configuration is used outdoors, for example, with the mounting bracket 3 configured as shown in FIGS.
Therefore, as shown in FIG. 9, the optical cable portion 8 does not receive the tightening pressure of the mounting bracket 3 and the tension of the support wire portion 6 such as a steel stranded wire or a steel wire. Sufficient tensile strength is obtained by the member 4.
また、屋外より屋内に配線する場合には、第10図およ
び第11図に示すように引裂き紐９、９によって支持線部
用外被５と光ケーブル部用外被８とを引裂き、光ケーブ
ル部用外被８部分だけを屋内に配線したり、室内に配線
がむきだしになる部位では引裂き紐10によって光ケーブ
ル部用外被８より、第12図に示すように光ケーブル７を
表出させ、光ケーブル部用外被８を除去し、光ケーブル
７部分だけを配線することにより、配線が容易にでき、
かつ室内の美観が損われるのを防止できる。When wiring is performed indoors from outdoors, as shown in FIG. 10 and FIG. 11, the support wire portion jacket 5 and the optical cable portion jacket 8 are torn by tearing cords 9 and 9 to provide an optical cable portion. At the portion where only the jacket 8 is wired indoors or where the wiring is exposed indoors, the tearing cord 10 exposes the optical cable 7 from the jacket 8 for the optical cable as shown in FIG. By removing the jacket 8 and wiring only the optical cable 7 part, wiring can be easily performed.
In addition, the aesthetic appearance of the room can be prevented from being impaired.
「本発明の異なる実施例および本願発明者が考えた通信
用光ケーブル」 次に第13図ないし第30図に示す本発明の異なる実施例
および本願発明者が考えた通信用光ケーブルにつき説明
する。なお、これらの説明に当って、前記本発明の実施
例と同一構成部分には同一符号を付して重複する説明を
省略する。"Different embodiments of the present invention and communication optical cables considered by the present inventor" Next, different embodiments of the present invention shown in FIGS. 13 to 30 and communication optical cables considered by the present inventor will be described. In the description, the same components as those of the embodiment of the present invention are denoted by the same reference numerals, and duplicate description will be omitted.
第13図および第14図の実施例において、前記本発明の
実施例と主に異なる点は支持線部用外被５の両側面に内
部に光ケーブル７、７を備える光ケーブル部用外被８、
８を配置した通信用光ケーブル1Aにした点で、このよう
に構成した通信用光ケーブル1Aにしても前記本発明の実
施例と同様な作用効果が得られるとともに、同時に２本
の光ケーブル７、７を配線することができる。13 and 14, the main difference from the embodiment of the present invention is that the optical cable part jacket 8, which has optical cables 7, 7 inside both sides of the support wire part jacket 5,
8 is arranged, the communication optical cable 1A configured as described above has the same operation and effect as the embodiment of the present invention, and at the same time, the two optical cables 7, 7 are connected. Can be wired.
第15図および第16図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記本発明の実施例と主に異なる点
は、支持線部用外被５と光ケーブル部用外被８との間に
バー状の切断用薄肉部14を形成した通信用光ケーブル1B
にした点で、このように形成された通信用光ケーブル1B
にしても切断用薄肉部14をナイフ等で切断することによ
り、支持線部用外被５と光ケーブル部用外被８とに分離
でき、前記本発明の実施例と同様な作用効果が得られ
る。The communication optical cable considered by the inventor of the present invention shown in FIGS. 15 and 16 is mainly different from the embodiment of the present invention described above in that a portion between the support wire portion jacket 5 and the optical cable portion jacket 8 is provided. Communication optical cable 1B formed with bar-shaped thin section 14 for cutting
The communication optical cable 1B thus formed
In any case, by cutting the thin portion 14 for cutting with a knife or the like, it is possible to separate the support wire portion cover 5 and the optical cable portion cover 8, and the same operation and effect as those of the embodiment of the present invention can be obtained. .
第17図および第18図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記第15図および第16図と主に異なる
点は、支持線部用外被５の両側面にバー状の切断用薄肉
部14、14を介して内部に光ケーブル７、７を備える光ケ
ーブル部用外被８、８を配置した通信用光ケーブル1Cに
した点で、このように構成した通信用光ケーブル1Cにし
てもよい。In the optical communication cable considered by the inventor of FIGS. 17 and 18, the main difference from FIGS. 15 and 16 is that a bar-shaped cutting The communication optical cable 1C having the above-described configuration may be the communication optical cable 1C in which the optical cable portion jackets 8 and 8 including the optical cables 7 and 7 are disposed via the thin portions 14 and 14.
第19図および第20図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記本発明の実施例と主に異なる点
は、支持線部用外被５と光ケーブル部用外被８との間に
切断部14Aを形成した通信用光ケーブル1Dにした点で、
このように形成された通信用光ケーブル1Dにしても切断
部14Aをナイフ等で切断することにより、支持線部用外
被５と光ケーブル部用外被８とに分離でき、前記本発明
の実施例と同様な作用効果が得られる。In the communication optical cable considered by the inventor of FIGS. 19 and 20, the main difference from the embodiment of the present invention is that the distance between the support wire section jacket 5 and the optical cable section jacket 8 is different. In that the communication optical cable 1D formed with the cutting portion 14A,
Even in the communication optical cable 1D thus formed, the cutting portion 14A can be separated into the support wire portion jacket 5 and the optical cable portion jacket 8 by cutting the cutting portion 14A with a knife or the like. The same operation and effect as described above can be obtained.
第21図および第22図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記第19図および第20図と主に異なる
点は、支持線部用外被５の両側面に切断部14A、14Aを介
して内部に光ケーブル７、７を備える光ケーブル部用外
被８、８を配置した通信用光ケーブル1Eにした点で、こ
のように構成した通信用光ケーブル1Eにしてもよい。The communication optical cable considered by the present inventor in FIGS. 21 and 22 is mainly different from FIGS. 19 and 20 in that cutting portions 14A, 14A The communication optical cable 1E thus configured may be a communication optical cable 1E in which the optical cable unit jackets 8 and 8 including the optical cables 7 and 7 are disposed inside through the communication optical cable 1E.
第23図および第24図の実施例において、前記第１図な
いし第12図の実施例と主に異なる点は、支持線部６の支
持線部用外被５の内部に電線15を埋設して、十分な引張
り強度を得るとともに、電線15としても使用できるよう
にした点で、このように構成した通信用光ケーブル1Fに
しても良い。The main difference between the embodiment shown in FIGS. 23 and 24 and the embodiment shown in FIGS. 1 to 12 is that the electric wire 15 is embedded in the support wire portion jacket 5 of the support wire portion 6. Thus, the communication optical cable 1F configured as described above may be used because sufficient tensile strength is obtained and the cable 15 can be used as the electric wire 15.
第25図および第26図の実施例において、前記第13図お
よび第14図の実施例と主に異なる点は、支持線部６の支
持線部用外被５の内部に電線15を埋設した通信用光ケー
ブル1Gにした点で、このように構成された通信用光ケー
ブル1Gにしても、前記第23図および第24図の実施例と同
様な作用効果が得られる。The main difference between the embodiment shown in FIGS. 25 and 26 and the embodiment shown in FIGS. 13 and 14 is that the electric wire 15 is buried inside the support wire portion jacket 5 of the support wire portion 6. In terms of the communication optical cable 1G, the communication optical cable 1G configured as described above can provide the same operation and effect as the embodiment of FIGS. 23 and 24.
第27図および第28図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記第15図および第16図と主に異なる
点は、引裂き紐のない光ケーブル部用外被8Aにした点
で、このように通信用光ケーブル1Hを構成しても良い。In the communication optical cable considered by the inventor of FIGS. 27 and 28, the main difference from FIG. 15 and FIG. 16 is that an optical cable portion jacket 8A without a tear string is used. The communication optical cable 1H may be configured as described above.
第29図および第30図の本願発明者が考えた通信用光ケ
ーブルにおいて、前記第17図ないし第18図と主に異なる
点は、引裂き紐のない光ケーブル部用外被8A、8Aにした
点で、このように通信用光ケーブル1Iを構成しても良
い。In the communication optical cable considered by the inventor of FIGS. 29 and 30, the main difference from FIGS. 17 to 18 is that the outer cable 8A, 8A for the optical cable portion without a tear string is used. The communication optical cable 1I may be configured as described above.
なお、支持線部６に埋設するテンションメンバー４と
して鋼線を使用する場合には、支持線部用外被５との一
体化を強化するため、接着剤を用いても良い。When a steel wire is used as the tension member 4 embedded in the support wire portion 6, an adhesive may be used to strengthen the integration with the support wire portion jacket 5.
「本発明の効果」 以上の説明から明らかなように、本発明にあっては次
に列挙する効果が得られる。"Effects of the present invention" As is clear from the above description, the following effects can be obtained in the present invention.
（１）鋼撚線あるいは鋼線等のテンションメンバーの外
周部をプラスチックあるいはゴム等の材質の支持線部用
外被で覆った支持線部と、この支持線部の一側面あるい
は両側面に配置した光ケーブルと、この光ケーブルの外
周部を覆う前記支持線部用外被と一体成形された該支持
線部用外被の高さ寸法よりも小さな高さ寸法となる光ケ
ーブル部用外被と、この光ケーブル部用外被と前記支持
線部用外被との間に介装された該支持線部用外被から光
ケーブル部用外被を引裂くことのできる引裂き紐と、前
記光ケーブル部用外被に埋設された該光ケーブル部用外
被を引裂き、光ケーブルを表出させる引裂き紐とで構成
されているので、屋外で配線される場合には支持線部で
引張り強度に耐え、光ケーブルに悪影響がおよぶのを防
止できるとともに、屋内に配線する部分では引裂き紐に
よって、支持線部用外被と光ケーブル部用外被とを分離
し、光ケーブル部用外被部分だけを屋内に配線すること
ができる。(1) A support wire portion in which the outer periphery of a tension member such as a steel stranded wire or a steel wire is covered with a support wire jacket made of a material such as plastic or rubber, and disposed on one side or both side surfaces of the support wire portion And an optical cable part jacket having a height dimension smaller than the height dimension of the support wire part casing integrally formed with the support wire part casing that covers the outer peripheral part of the optical cable. A tear string capable of tearing the optical cable portion jacket from the support line portion jacket interposed between the optical cable portion jacket and the support wire portion jacket; and the optical cable portion jacket. The optical cable portion is buried in the optical cable portion, and the optical cable portion is exposed. Can prevent The string tear in a portion where wiring indoors, the support wire portion for envelope and the optical cable part for sheath capital can be separated and wiring only the portion outside optical cable unit indoors.
したがって、屋内の配線が容易にできるとともに、美
観を損うことなく配線することができる。Therefore, indoor wiring can be easily performed, and wiring can be performed without impairing the appearance.
（２）前記（１）によって、引裂き紐を引張るだけで支
持線部用外被と光ケーブル部用外被とを分離することが
できるので、簡単で、容易に分離することができる。(2) According to the above (1), it is possible to separate the support wire portion jacket and the optical cable portion jacket simply by pulling the tear string, so that it is simple and easy to separate.
（３）前記（１）によって、効率良く屋内の配線を行な
うことができる。(3) According to the above (1), indoor wiring can be efficiently performed.
（４）前記（１）によって、屋内の配線を、光ケーブル
部用外被を引裂き紐により、容易に光ケール部用外被を
完全に除去した状態で除去して、光ケーブル部分だけを
取り出すことができる。(4) According to the above (1), it is possible to remove only the optical cable portion by removing the indoor cable easily by completely tearing off the optical cable portion outer sheath with a tear cord. it can.
したがって、従来と同様に光ケーブル部分だけの端末
処理を行うことができるとともに、より美観の向上を図
ることができる。Therefore, terminal processing can be performed only on the optical cable portion as in the related art, and the appearance can be further improved.
（５）請求項２も前記（１）〜（４）と同様な効果が得
られる。(5) Claim 2 has the same effects as (1) to (4).
第１図は本発明の一実施例の使用状態の説明図、第２図
は本発明の一実施例を示す拡大斜視図、第３図ないし第
６図は本発明の一実施例の正面図、平面図、背面図、左
側面図、第７図は本発明の一実施例を示す拡大断面図、
第８図は取付け金具に取付けた状態を示す説明図、第９
図は第８図の９−９線に沿う断面図、第10図および第11
図は光ケーブル部用外被を支持線部より分離する説明
図、第12図は光ケーブル部用外被を除去する説明図、第
13図および第14図、第23図および第24図、第25図および
第26図はそれぞれ本発明の異なる実施例を示す説明図、
第15図および第16図、第17図および第18図、第19図およ
び第20図、第21図および第22図、第27図および第28図、
第29図および第30図はそれぞれ本願発明者が考えた通信
用光ケーブルを示す説明図である。 １、1A〜1I:通信用光ケーブル、 2:建物の壁面、 3:取付け金具、 4:テンションメンバー、 5:支持線部用外被、 6:支持線部、 7:光ケーブル、 ８、8A:光ケーブル部用外被、 9:引裂き紐、 10:引裂き紐、 11:光ファイバー心線、 12:補強繊維、 13:外被、 14:切断用薄肉部、 15:電線。1 is an explanatory view of a use state of one embodiment of the present invention, FIG. 2 is an enlarged perspective view showing one embodiment of the present invention, and FIGS. 3 to 6 are front views of one embodiment of the present invention. , Plan view, rear view, left side view, FIG. 7 is an enlarged sectional view showing one embodiment of the present invention,
FIG. 8 is an explanatory view showing a state of being attached to a mounting bracket, and FIG.
The figure is a sectional view along line 9-9 in FIG. 8, FIG. 10 and FIG.
FIG. 12 is an explanatory diagram of separating the optical cable portion jacket from the support wire portion, FIG. 12 is an explanatory diagram of removing the optical cable portion jacket, FIG.
13 and 14, FIG. 23 and FIG. 24, FIG. 25 and FIG. 26 are explanatory diagrams showing different embodiments of the present invention, respectively.
15 and 16, FIG. 17 and FIG. 18, FIG. 19 and FIG. 20, FIG. 21 and FIG. 22, FIG. 27 and FIG.
FIG. 29 and FIG. 30 are explanatory diagrams each showing a communication optical cable considered by the present inventors. 1, 1A to 1I: Optical cable for communication, 2: Building wall, 3: Mounting bracket, 4: Tension member, 5: Jacket for support wire, 6: Support wire, 7: Optical cable, 8, 8A: Optical cable Part jacket, 9: tear string, 10: tear string, 11: optical fiber core, 12: reinforcing fiber, 13: jacket, 14: thin section for cutting, 15: electric wire.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 永瀬 陽一 埼玉県行田市大字埼玉4125番地 トヨク ニ電線株式会社埼玉工場内 (56)参考文献 特開 昭62−94807（ＪＰ，Ａ) 実開 昭62−109115（ＪＰ，Ｕ) 実開 昭54−12448（ＪＰ，Ｕ) 実開 昭57−72402（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Yoichi Nagase 4125, Saitama, Gyoda-shi, Saitama Prefecture Inside the Saitama Plant of Toyokuni Electric Cable Co., Ltd. (56) References JP-A-62-94807 (JP, A) −109115 (JP, U) Actually open 1979-12448 (JP, U)
Claims (2)
ーの外周部をプラスチックあるいはゴム等の材質の支持
線部用外被で覆った支持線部と、この支持線部の一側面
あるいは両側面に配置した光ケーブルと、この光ケーブ
ルの外周部を覆う前記支持線部用外被と一体成形された
該支持線部用外被の高さ寸法よりも小さな高さ寸法とな
る光ケーブル部用外被と、この光ケーブル部用外被と前
記支持線部用外被との間に介装された該支持線部用外被
から光ケーブル部用外被を引裂くことのできる引裂き紐
と、前記光ケーブル部用外被に埋設された該光ケーブル
部用外被を引裂き、光ケーブルを表出させる引裂き紐と
からなることを特徴とする通信用光ケーブル。1. A support wire portion in which an outer peripheral portion of a tension member such as a steel stranded wire or a steel wire is covered with a support wire portion jacket made of a material such as plastic or rubber, and one or both side surfaces of the support wire portion And an optical cable portion jacket having a height dimension smaller than the height dimension of the support wire portion jacket integrally formed with the support wire portion jacket covering the outer peripheral portion of the optical cable. A tear string capable of tearing the optical cable portion jacket from the support wire portion jacket interposed between the optical cable portion jacket and the support wire portion jacket; and An optical cable for communication, comprising: a tear string for tearing the optical cable portion jacket embedded in the jacket and exposing the optical cable.
の外周部をプラスチックあるいはゴム等の材質の支持線
部用外被で覆った支持線部と、この支持線部の一側面あ
るいは両側面に配置した光ケーブルと、この光ケーブル
の外周部を覆う前記支持線部用外被と一体成形された該
支持線部用外被の高さ寸法よりも小さな高さ寸法となる
光ケーブル部用外被と、この光ケーブル部用外被と前記
支持線部用外被との間に介装された該支持線部用外被か
ら光ケーブル部用外被を引裂くことのできる引裂き紐
と、前記光ケーブル部用外被に埋設された該光ケーブル
部用外被を引裂き、光ケーブルを表出させる引裂き紐と
からなることを特徴とする通信用光ケーブル。2. A support wire portion in which an outer peripheral portion of an electric wire usable as a tension member is covered with a cover for a support wire portion made of a material such as plastic or rubber, and an optical cable disposed on one or both side surfaces of the support wire portion. And an optical cable part jacket having a height smaller than the height of the support line part jacket integrally formed with the support wire part jacket covering the outer peripheral part of the optical cable; and A tear string capable of tearing the optical cable portion jacket from the support wire portion jacket interposed between the cable jacket and the support wire portion jacket, and being embedded in the optical cable portion jacket. An optical cable for communication, wherein the optical cable comprises a tear cord for tearing the optical cable portion outer cover and exposing the optical cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01296750A JP3077110B2 (en) | 1989-11-15 | 1989-11-15 | Optical cable for communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01296750A JP3077110B2 (en) | 1989-11-15 | 1989-11-15 | Optical cable for communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03156410A JPH03156410A (en) | 1991-07-04 |
| JP3077110B2 true JP3077110B2 (en) | 2000-08-14 |
Family
ID=17837630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01296750A Expired - Fee Related JP3077110B2 (en) | 1989-11-15 | 1989-11-15 | Optical cable for communication |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3077110B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6434306B1 (en) | 2000-04-17 | 2002-08-13 | Sumitomo Electric Industries, Ltd. | Optical cable and manufacturing method thereof |
| US6861590B2 (en) * | 2002-12-16 | 2005-03-01 | Alcatel | Strippable cable |
| JP2007241196A (en) * | 2006-03-13 | 2007-09-20 | Fujikura Ltd | Method for manufacturing self-supporting optical fiber cable |
| JP5158847B2 (en) * | 2007-07-10 | 2013-03-06 | 古河電気工業株式会社 | Fiber optic cable |
| JP5829950B2 (en) * | 2012-03-05 | 2015-12-09 | 株式会社フジクラ | Optical fiber cable and optical fiber cable clamping method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4826469U (en) * | 1971-08-02 | 1973-03-30 | ||
| JPS5412448U (en) * | 1977-06-29 | 1979-01-26 | ||
| JPS5772402U (en) * | 1980-10-17 | 1982-05-04 | ||
| JPS5772402A (en) * | 1980-10-23 | 1982-05-06 | Matsushita Electric Ind Co Ltd | Parabolic antenna device |
| JPS6294807A (en) * | 1985-10-21 | 1987-05-01 | Sumitomo Electric Ind Ltd | Two-core optical fiber cable |
| JPS62109115U (en) * | 1985-12-27 | 1987-07-11 | ||
| JP2573632B2 (en) * | 1987-11-26 | 1997-01-22 | 住友電気工業株式会社 | Tape-type optical fiber manufacturing equipment |
| JPH01257806A (en) * | 1988-02-22 | 1989-10-13 | Sumitomo Electric Ind Ltd | Separate optical fiber unit |
-
1989
- 1989-11-15 JP JP01296750A patent/JP3077110B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03156410A (en) | 1991-07-04 |
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