JPH02132203U - - Google Patents
Info
- Publication number
- JPH02132203U JPH02132203U JP4055689U JP4055689U JPH02132203U JP H02132203 U JPH02132203 U JP H02132203U JP 4055689 U JP4055689 U JP 4055689U JP 4055689 U JP4055689 U JP 4055689U JP H02132203 U JPH02132203 U JP H02132203U
- Authority
- JP
- Japan
- Prior art keywords
- presser
- layer
- optical cable
- flame
- retardant
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims 1
- 239000013307 optical fiber Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案光ケーブルの１実施例の断面図
、第２図は水走り試験法を示す概略図である。
１……溝付きスペーサ、１ａ……溝、２……抗
張力体、３……光ケーブル心線、４，６……吸水
性押え巻層、５……難燃性押え巻層、７……シー
ス、８……人工海水。
FIG. 1 is a sectional view of one embodiment of the optical cable of the present invention, and FIG. 2 is a schematic diagram showing a water running test method. DESCRIPTION OF SYMBOLS 1...Grooved spacer, 1a...Groove, 2...Tensile strength member, 3...Optical cable core, 4, 6...Water-absorbing pressure winding layer, 5...Flame retardant pressure winding layer, 7...Sheath , 8...Artificial seawater.
Claims (1)
前記溝付きスペーサの外周に設けられた押え巻層
と、前記押え層の外周に設けられたシースとを有
する光ケーブルにおいて、前記押え巻層が、吸水
性押え巻層と難燃性押え巻層をそれぞれ少なくと
も一層有する複数層から成ることを特徴とする難
燃性防水型光ケーブル。 a grooved spacer housing an optical fiber;
In the optical cable, the optical cable has a presser wrap layer provided on the outer periphery of the grooved spacer and a sheath provided on the outer periphery of the presser layer, wherein the presser wrap layer includes a water-absorbent presser layer and a flame-retardant presser layer. A flame-retardant and waterproof optical cable comprising a plurality of layers, each of which has at least one layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4055689U JPH02132203U (en) | 1989-04-07 | 1989-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4055689U JPH02132203U (en) | 1989-04-07 | 1989-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132203U true JPH02132203U (en) | 1990-11-02 |
Family
ID=31550447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4055689U Pending JPH02132203U (en) | 1989-04-07 | 1989-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132203U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63244006A (en) * | 1987-03-31 | 1988-10-11 | Sumitomo Electric Ind Ltd | Water absorption type waterproof cable |
-
1989
- 1989-04-07 JP JP4055689U patent/JPH02132203U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63244006A (en) * | 1987-03-31 | 1988-10-11 | Sumitomo Electric Ind Ltd | Water absorption type waterproof cable |