JPS6463210A - Aluminum coated steel wire for optical fiber composite overhead earthwire - Google Patents
Aluminum coated steel wire for optical fiber composite overhead earthwireInfo
- Publication number
- JPS6463210A JPS6463210A JP62219603A JP21960387A JPS6463210A JP S6463210 A JPS6463210 A JP S6463210A JP 62219603 A JP62219603 A JP 62219603A JP 21960387 A JP21960387 A JP 21960387A JP S6463210 A JPS6463210 A JP S6463210A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- optical fiber
- steel wire
- molding
- coated steel
- 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
Landscapes
- Wire Processing (AREA)
- Communication Cables (AREA)
Abstract
PURPOSE:To make it possible to prevent disconnection of an optical fiber without inversion when a wire is twisted by specifying the ratio between the central value of a width and the height of each molding wire and heteromorphic wire. CONSTITUTION:The ratio A (A=W/T) between the central value W of the width and the height T of each molding wire and heteromorphic wire is set to 1.0-1.4 for the molding wire and 1.3-1.8 for the heteromorphic wire. Provided W is shown in the formula W=(D+T+2c)pi/n, where D: the diameter of an optical fiber unit, c: the gap between an optical fiber unit and in aluminum coated steel wire, n: twisted number, and pi: number pi. The molding wire is supplied to a twister in the state before forming, that is, that where a round type aluminum wire 1b is wound around a steel wire 1a composed of a round wire, is sectorally formed at a stranding part by formation rolls 11 and 12, and then is twisted on an OP unit. In this case, stable twisting wire can be made without problems in forming when the formula 1.0<=W/T<=1.4 is set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62219603A JPS6463210A (en) | 1987-09-02 | 1987-09-02 | Aluminum coated steel wire for optical fiber composite overhead earthwire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62219603A JPS6463210A (en) | 1987-09-02 | 1987-09-02 | Aluminum coated steel wire for optical fiber composite overhead earthwire |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6463210A true JPS6463210A (en) | 1989-03-09 |
JPH058531B2 JPH058531B2 (en) | 1993-02-02 |
Family
ID=16738119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62219603A Granted JPS6463210A (en) | 1987-09-02 | 1987-09-02 | Aluminum coated steel wire for optical fiber composite overhead earthwire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6463210A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6179308U (en) * | 1984-10-30 | 1986-05-27 |
-
1987
- 1987-09-02 JP JP62219603A patent/JPS6463210A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6179308U (en) * | 1984-10-30 | 1986-05-27 |
Also Published As
Publication number | Publication date |
---|---|
JPH058531B2 (en) | 1993-02-02 |
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