JPS63144610U - - Google Patents
Info
- Publication number
- JPS63144610U JPS63144610U JP3695387U JP3695387U JPS63144610U JP S63144610 U JPS63144610 U JP S63144610U JP 3695387 U JP3695387 U JP 3695387U JP 3695387 U JP3695387 U JP 3695387U JP S63144610 U JPS63144610 U JP S63144610U
- Authority
- JP
- Japan
- Prior art keywords
- water
- absorbing
- optical cable
- waterproof
- tensile strength
- 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
- 230000008961 swelling Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims 3
- 239000000463 material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
Description
第1図は本考案の防水型光ケーブルの断面構造
図、第2図はスペーサユニツトの断面構造図、第
3図は従来の防水・スペーサ集合型光ケーブルの
断面構造図である。
1……吸水膨潤層、2……中心抗張力体、3…
…スペーサユニツト、4……吸水膨潤性ヤーン、
5……吸水膨潤性テープ、6……シース、7……
PEスペーサ、8……吸水材塗布テープ、9……
吸水膨潤性テープ。
FIG. 1 is a sectional structural diagram of a waterproof optical cable of the present invention, FIG. 2 is a sectional structural diagram of a spacer unit, and FIG. 3 is a sectional structural diagram of a conventional waterproof/spacer aggregate type optical cable. 1... Water absorption swelling layer, 2... Central tensile strength body, 3...
...Spacer unit, 4...Water absorbing swelling yarn,
5...Water-absorbing and swelling tape, 6...Sheath, 7...
PE spacer, 8...Water absorbing material application tape, 9...
Water-absorbing and swelling tape.
Claims (1)
ススペーサの溝中に複数の光フアイバまたはテー
プ状光フアイバ心線を収納した光フアイバスペー
サユニツトを、中心に配置した中心抗張力体の周
囲に撚り合せた構造の高密度光ケーブルのケーブ
ル内に吸水性物質を充填した防水型光ケーブルに
おいて、 前記中心抗張力体2の外周に、 力を加えることにより変形する吸収膨潤層1を
備えてなる ことを特徴とする防水型光ケーブル。 (2) 前記中心抗張力体の外周に備えた吸水膨潤
層は、押出成形構造からなることを特徴とする実
用新案登録請求の範囲第1項記載の防水型光ケー
ブル。 (3) 前記中心抗張力体の外周に備えた吸水膨潤
層は、吸水膨潤性材料のテープを横巻した状態の
構造からなることを特徴とする実用新案登録請求
の範囲第1項記載の防水型光ケーブル。 (4) 前記中心抗張力体の外周に備えた吸水膨潤
層は、吸水膨潤性の物質を接着してなることを特
徴とする実用新案登録請求の範囲第1項記載の防
水型光ケーブル。[Scope of Claim for Utility Model Registration] (1) An optical fiber spacer unit in which a plurality of optical fibers or tape-shaped optical fiber cores are housed in the grooves of a spacer consisting of a core with a spiral groove on the outer periphery. In a waterproof optical cable in which a water-absorbing material is filled in the cable of a high-density optical cable that is twisted around a central tensile strength member 2 arranged in A waterproof optical cable characterized by comprising layer 1. (2) The waterproof optical cable according to claim 1, wherein the water-absorbing swelling layer provided on the outer periphery of the central tensile strength member has an extruded structure. (3) The waterproof type according to claim 1, wherein the water-absorbing and swelling layer provided on the outer periphery of the central tensile strength member has a structure in which a tape of a water-absorbing and swelling material is wound horizontally. optical cable. (4) The waterproof optical cable according to claim 1, wherein the water-absorbing and swelling layer provided on the outer periphery of the central tensile strength member is formed by adhering a water-absorbing and swelling material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987036953U JPH089686Y2 (en) | 1987-03-13 | 1987-03-13 | Waterproof optical cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987036953U JPH089686Y2 (en) | 1987-03-13 | 1987-03-13 | Waterproof optical cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63144610U true JPS63144610U (en) | 1988-09-22 |
JPH089686Y2 JPH089686Y2 (en) | 1996-03-21 |
Family
ID=30847833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987036953U Expired - Lifetime JPH089686Y2 (en) | 1987-03-13 | 1987-03-13 | Waterproof optical cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH089686Y2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS617815A (en) * | 1984-06-22 | 1986-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Watertight optical cable |
JPS6120010A (en) * | 1984-07-06 | 1986-01-28 | Sumitomo Electric Ind Ltd | Manufacture of optical cable |
JPS6134512A (en) * | 1984-07-26 | 1986-02-18 | Furukawa Electric Co Ltd:The | Waterproof cable |
-
1987
- 1987-03-13 JP JP1987036953U patent/JPH089686Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS617815A (en) * | 1984-06-22 | 1986-01-14 | Nippon Telegr & Teleph Corp <Ntt> | Watertight optical cable |
JPS6120010A (en) * | 1984-07-06 | 1986-01-28 | Sumitomo Electric Ind Ltd | Manufacture of optical cable |
JPS6134512A (en) * | 1984-07-26 | 1986-02-18 | Furukawa Electric Co Ltd:The | Waterproof cable |
Also Published As
Publication number | Publication date |
---|---|
JPH089686Y2 (en) | 1996-03-21 |
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