JPH0485407U - - Google Patents
Info
- Publication number
- JPH0485407U JPH0485407U JP13028490U JP13028490U JPH0485407U JP H0485407 U JPH0485407 U JP H0485407U JP 13028490 U JP13028490 U JP 13028490U JP 13028490 U JP13028490 U JP 13028490U JP H0485407 U JPH0485407 U JP H0485407U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- slot
- layer
- groove
- fiber 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 9
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
Description
第１図〜第３図は本考案の実施例に係るもので
、第１図は光フアイバユニツト１０の撚り方向お
よび溝１４のらせん巻き方向を模型的に示した説
明図、第２図は断面の説明図、第３図は作用効果
の説明図、第４図はスロツト溝１４の方向とユニ
ツトの大撚り方向とが逆の場合の説明図、第５図
は従来技術の説明図。
１０……光フアイバユニツト、１２……スロツ
ト、１４……溝、１５……リブ、１６……光フア
イバ、１８，２２……押え巻、２０……中心テン
シヨンメンバ、２４……シース、１０１……第１
層、１０２……第２層。
1 to 3 relate to an embodiment of the present invention, FIG. 1 is an explanatory diagram schematically showing the twisting direction of the optical fiber unit 10 and the spiral winding direction of the groove 14, and FIG. 2 is a cross-sectional view. 3 is an explanatory diagram of the function and effect, FIG. 4 is an explanatory diagram of the case where the direction of the slot groove 14 and the direction of large twist of the unit are opposite, and FIG. 5 is an explanatory diagram of the prior art. 10... Optical fiber unit, 12... Slot, 14... Groove, 15... Rib, 16... Optical fiber, 18, 22... Presser winding, 20... Center tension member, 24... Sheath, 101 ...First
Layer, 102...Second layer.
Claims (1)
設け、その溝の中に光フアイバを収納したスロツ
ト型光フアイバユニツトを、層状に、撚り合わせ
集合した、多心光フアイバケーブルにおいて、 前記スロツト型光フアイバユニツトの撚り合わ
せ集合層が複数層あり、かつそれら各層が、当該
層の直上または直下の層の撚り方向に対して、逆
方向になつているとともに、各層のスロツトの溝
のらせん巻き方向が、当該層の撚り方向と同方向
になつている、多心光フアイバケーブル。[Scope of Claim for Utility Model Registration] A multi-layered optical fiber unit consisting of a slot-type optical fiber unit in which a spiral groove is provided on the side surface of a slot with a round cross section and an optical fiber is housed in the groove. In the optical fiber cable, there are a plurality of twisted aggregate layers of the slot type optical fiber unit, and each of these layers is twisted in an opposite direction to the direction of twisting of the layer immediately above or below the layer, and A multi-core optical fiber cable in which the direction of the spiral winding of the slot groove in each layer is the same as the twisting direction of that layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990130284U JP2510479Y2 (en) | 1990-11-30 | 1990-11-30 | Multi-fiber optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990130284U JP2510479Y2 (en) | 1990-11-30 | 1990-11-30 | Multi-fiber optical fiber cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485407U true JPH0485407U (en) | 1992-07-24 |
| JP2510479Y2 JP2510479Y2 (en) | 1996-09-11 |
Family
ID=31877638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990130284U Expired - Fee Related JP2510479Y2 (en) | 1990-11-30 | 1990-11-30 | Multi-fiber optical fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2510479Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023021657A1 (en) * | 2021-08-19 | 2023-02-23 | 日本電信電話株式会社 | Optical fiber cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6173913A (en) * | 1984-09-19 | 1986-04-16 | Sumitomo Electric Ind Ltd | Optical fiber cable and its manufacture |
| JPS6246415U (en) * | 1985-09-10 | 1987-03-20 |
-
1990
- 1990-11-30 JP JP1990130284U patent/JP2510479Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6173913A (en) * | 1984-09-19 | 1986-04-16 | Sumitomo Electric Ind Ltd | Optical fiber cable and its manufacture |
| JPS6246415U (en) * | 1985-09-10 | 1987-03-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023021657A1 (en) * | 2021-08-19 | 2023-02-23 | 日本電信電話株式会社 | Optical fiber cable |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2510479Y2 (en) | 1996-09-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |