JPS57178204A - Optical fiber cable using heat retarding plastic sheath - Google Patents
Optical fiber cable using heat retarding plastic sheathInfo
- Publication number
- JPS57178204A JPS57178204A JP56063124A JP6312481A JPS57178204A JP S57178204 A JPS57178204 A JP S57178204A JP 56063124 A JP56063124 A JP 56063124A JP 6312481 A JP6312481 A JP 6312481A JP S57178204 A JPS57178204 A JP S57178204A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- heat
- sheath
- fiber cable
- cable
- 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
- 239000004033 plastic Substances 0.000 title abstract 5
- 229920003023 plastic Polymers 0.000 title abstract 5
- 239000013307 optical fiber Substances 0.000 title abstract 4
- 230000000979 retarding effect Effects 0.000 title abstract 3
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 229910003514 Sr(OH) Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
PURPOSE:To prevent the damage of an optical fiber cable due to heat during connection, an increase in the transmission loss of the cable, etc. by using a heat retarding plastic sheath as the sheath of the cable to moderate a sudden temp. rise during short-time heating. CONSTITUTION:A heat retarding plastic sheath made of plastics such as polyethylene contg. <= about 30wt% substance having large latent heat and a lower phase transition temp. than the plastic such as Sr(OH)2.8H2O or NH4Al(SO4)2. 12H2O is used. Optical fiber core strands 2 are bundled around a tensile strength body 1, the space among the strands 2 is packed with a material 3 for preventing water penetration and a tape 4 is wound while pressing. A steel pipe 5 is put on the tape 4, and the pipe 5 is covered with said sheath 12 to manufacture an optical fiber cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063124A JPS57178204A (en) | 1981-04-25 | 1981-04-25 | Optical fiber cable using heat retarding plastic sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56063124A JPS57178204A (en) | 1981-04-25 | 1981-04-25 | Optical fiber cable using heat retarding plastic sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57178204A true JPS57178204A (en) | 1982-11-02 |
Family
ID=13220207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56063124A Pending JPS57178204A (en) | 1981-04-25 | 1981-04-25 | Optical fiber cable using heat retarding plastic sheath |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57178204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973931A (en) * | 1982-10-21 | 1984-04-26 | Mitsubishi Heavy Ind Ltd | Plasticized screw |
-
1981
- 1981-04-25 JP JP56063124A patent/JPS57178204A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5973931A (en) * | 1982-10-21 | 1984-04-26 | Mitsubishi Heavy Ind Ltd | Plasticized screw |
| JPS6319324B2 (en) * | 1982-10-21 | 1988-04-22 | Mitsubishi Heavy Ind Ltd |
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