JPH01157307U - - Google Patents
Info
- Publication number
- JPH01157307U JPH01157307U JP5365788U JP5365788U JPH01157307U JP H01157307 U JPH01157307 U JP H01157307U JP 5365788 U JP5365788 U JP 5365788U JP 5365788 U JP5365788 U JP 5365788U JP H01157307 U JPH01157307 U JP H01157307U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- coated
- tape
- fiber unit
- unit
- 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.)
- Granted
Links
- 239000013307 optical fiber Substances 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims 3
- 229920005989 resin Polymers 0.000 claims 3
- 239000000835 fiber Substances 0.000 claims 2
- 239000003365 glass fiber Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図乃至第４図はそれぞれ本考案の光フアイ
バユニツトの第１乃至第４の実施例の断面構造図
、第５図は従来構造の光フアイバユニツトの断面
構造図である。
１，２１，３１，４１…テープ状光フアイバ心
線、２，２２，３２，４２，５２…発泡ポリエチ
レン、３，２３，３３，４３，５３…光フアイバ
素線、４…吸水ヤーン、５…抗張力体、６…一次
被覆。
1 to 4 are cross-sectional structural views of first to fourth embodiments of the optical fiber unit of the present invention, respectively, and FIG. 5 is a cross-sectional structural view of an optical fiber unit having a conventional structure. 1, 21, 31, 41... Tape-shaped optical fiber core wire, 2, 22, 32, 42, 52... Foamed polyethylene, 3, 23, 33, 43, 53... Optical fiber wire, 4... Water absorption yarn, 5... Tensile strength body, 6...primary coating.
Claims (1)
フアイバユニツトの構造において、 前記光フアイバユニツトは、複数枚のテープ状
光フアイバ心線を重ねて形成した積層体の外周に
発泡ポリエチレンを被覆し一体化した構造を備え
てなる ことを特徴とする光フアイバユニツト。 (2) パイプの中の気流の流れにより布設する光
フアイバユニツトの構造において、 前記光フアイバユニツトは、複数枚のテープ状
光フアイバ心線を重ねて形成した積層体の外周を
吸水ヤーンにより蓋い、 前記吸水ヤーンの外周面に発泡ポリエチレンを
被覆し一体化した構造を備えてなる ことを特徴とする光フアイバユニツト。 (3) 前記テープ状光フアイバ心線は、ガラスフ
アイバに紫外線硬化型樹脂を被覆した光フアイバ
素線を一例に配列し、外周に紫外線硬化型樹脂に
より一括被覆を施し一体化した構造を備えてなる
請求項１または２記載の光フアイバユニツト。 (4) 前記テープ状光フアイバ心線は、ガラスフ
アイバに紫外線硬化型樹脂を被覆した光フアイバ
素線を一列に配列した中に、抗張力体を含む構造
を備えてなる請求項１または２記載の光フアイバ
ユニツト。[Claims for Utility Model Registration] (1) In the structure of an optical fiber unit installed by airflow in a pipe, the optical fiber unit is a laminate formed by stacking a plurality of tape-shaped optical fiber core wires. An optical fiber unit characterized by having an integrated structure in which the outer periphery of the fiber is coated with foamed polyethylene. (2) In the structure of an optical fiber unit that is installed by the flow of air in a pipe, the optical fiber unit has the outer periphery of a laminate formed by stacking a plurality of tape-shaped optical fiber cores covered with water-absorbing yarn. An optical fiber unit comprising: an integral structure in which the outer peripheral surface of the water-absorbing yarn is coated with foamed polyethylene. (3) The tape-shaped optical fiber core has an integrated structure in which glass fibers coated with an ultraviolet curable resin are arranged, and the outer periphery is coated all at once with an ultraviolet curable resin. The optical fiber unit according to claim 1 or 2. (4) The tape-shaped optical fiber core wire has a structure that includes a tensile strength body in a line of optical fiber wires in which glass fibers are coated with an ultraviolet curable resin. Fiber optic unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988053657U JPH0722645Y2 (en) | 1988-04-21 | 1988-04-21 | Optical fiber unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988053657U JPH0722645Y2 (en) | 1988-04-21 | 1988-04-21 | Optical fiber unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01157307U true JPH01157307U (en) | 1989-10-30 |
| JPH0722645Y2 JPH0722645Y2 (en) | 1995-05-24 |
Family
ID=31279623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988053657U Expired - Lifetime JPH0722645Y2 (en) | 1988-04-21 | 1988-04-21 | Optical fiber unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722645Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03220511A (en) * | 1990-01-25 | 1991-09-27 | Hitachi Cable Ltd | Optical fiber cable and production thereof |
| JPH04186203A (en) * | 1990-11-20 | 1992-07-03 | Mitsubishi Cable Ind Ltd | Optical fiber cable |
| JPH07270654A (en) * | 1994-03-28 | 1995-10-20 | Siecor Corp | Waterproof unfilled single-tube cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5198040A (en) * | 1975-02-25 | 1976-08-28 | ||
| JPS59104607A (en) * | 1982-11-08 | 1984-06-16 | ブリティシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニ | Method and apparatus for installing optical fiber cable |
| JPS6087307A (en) * | 1983-10-20 | 1985-05-17 | Nippon Telegr & Teleph Corp <Ntt> | Flat optical cable |
| JPS6249114U (en) * | 1985-09-13 | 1987-03-26 | ||
| JPS62146112U (en) * | 1986-03-07 | 1987-09-16 | ||
| JPS6343112U (en) * | 1986-09-08 | 1988-03-23 |
-
1988
- 1988-04-21 JP JP1988053657U patent/JPH0722645Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5198040A (en) * | 1975-02-25 | 1976-08-28 | ||
| JPS59104607A (en) * | 1982-11-08 | 1984-06-16 | ブリティシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニ | Method and apparatus for installing optical fiber cable |
| JPS6087307A (en) * | 1983-10-20 | 1985-05-17 | Nippon Telegr & Teleph Corp <Ntt> | Flat optical cable |
| JPS6249114U (en) * | 1985-09-13 | 1987-03-26 | ||
| JPS62146112U (en) * | 1986-03-07 | 1987-09-16 | ||
| JPS6343112U (en) * | 1986-09-08 | 1988-03-23 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03220511A (en) * | 1990-01-25 | 1991-09-27 | Hitachi Cable Ltd | Optical fiber cable and production thereof |
| JPH04186203A (en) * | 1990-11-20 | 1992-07-03 | Mitsubishi Cable Ind Ltd | Optical fiber cable |
| JPH07270654A (en) * | 1994-03-28 | 1995-10-20 | Siecor Corp | Waterproof unfilled single-tube cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722645Y2 (en) | 1995-05-24 |