JPH02117508U - - Google Patents
Info
- Publication number
- JPH02117508U JPH02117508U JP2585389U JP2585389U JPH02117508U JP H02117508 U JPH02117508 U JP H02117508U JP 2585389 U JP2585389 U JP 2585389U JP 2585389 U JP2585389 U JP 2585389U JP H02117508 U JPH02117508 U JP H02117508U
- Authority
- JP
- Japan
- Prior art keywords
- optical cable
- slot rod
- cable according
- rod
- notches
- 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 11
Description
第１図および第２図はそれぞれ本考案のスロツ
トロツドの第一の実施例および第二の実施例の断
面構造図、第３図は従来のスロツト形光ケーブル
の断面構造図である。
１，３１……中心抗張力体、２……切り込み、
２１……段違い切り込み、２２……異方向切り込
み、３，３３……プラスチツク層、４……スロツ
トロツド、５，３５……らせん溝、６……ノツチ
、３０……テープ心線、３６……押え巻、３７…
…外被。
1 and 2 are sectional structural views of a first embodiment and a second embodiment of the slotted rod of the present invention, respectively, and FIG. 3 is a sectional structural view of a conventional slotted optical cable. 1, 31... Central tensile strength body, 2... Notch,
2 1 ... Different level cuts, 2 2 ... Different direction cuts, 3, 33 ... Plastic layer, 4 ... Slot rod, 5, 35 ... Spiral groove, 6 ... Notch, 30 ... Tape core wire, 36 ... ...presser roll, 37...
...Outer covering.
Claims (1)
チツク層の外周にらせん溝を形成した構造の光ケ
ーブル用スロツトロツドにおいて、 前記プラスチツク層の前記らせん溝を形成する
リブに切り込み２を設けた構造を備えてなる ことを特徴とする光ケーブル用スロツトロツド。 (2) 前記切り込みは、段違いに設けてなること
を特徴とする請求項１記載の光ケーブル用スロツ
トロツド。 (3) 前記切り込みは、異なる方向に設けてなる
ことを特徴とする請求項１記載の光ケーブル用ス
ロツトロツド。 (4) 中心抗張力体の周囲に押出形成したプラス
チツク層の外周にらせん溝を形成した構造の光ケ
ーブル用スロツトロツドにおいて、 前記プラスチツク層の前記らせん溝を形成する
リブにノツチ６を設けた構造を備えてなる ことを特徴とする光ケーブル用スロツトロツド。 (5) 前記ノツチは、段違いに設けてなることを
特徴とする請求項４記載の光ケーブル用スロツト
ロツド。 (6) 前記ノツチは、異なる方向に設けてなるこ
とを特徴とする請求項４記載の光ケーブル用スロ
ツトロツド。 (7) 前記らせん溝は、一方向撚構造からなるこ
とを特徴とする請求項１または４記載の光ケーブ
ル用スロツトロツド。 (8) 前記らせん溝は、ＳＺ撚構造からなること
を特徴とする請求項１または４記載の光ケーブル
用スロツトロツド。[Claims for Utility Model Registration] (1) In a slotted rod for an optical cable having a structure in which a spiral groove is formed on the outer periphery of a plastic layer extruded around a central tensile strength member, a cut is made in the rib forming the spiral groove of the plastic layer. 1. A slot rod for an optical cable, characterized in that it has a structure in which: 2 is provided. (2) The slot rod for an optical cable according to claim 1, wherein the notches are provided at different levels. (3) The slot rod for an optical cable according to claim 1, wherein the notches are provided in different directions. (4) A slot rod for an optical cable having a structure in which a helical groove is formed on the outer periphery of a plastic layer extruded around a central tensile strength member, comprising a structure in which a notch 6 is provided in a rib forming the helical groove in the plastic layer. A slotted rod for optical cables characterized by: (5) The slot rod for an optical cable according to claim 4, wherein the notches are provided at different levels. (6) The slot rod for an optical cable according to claim 4, wherein the notches are provided in different directions. (7) The slot rod for an optical cable according to claim 1 or 4, wherein the spiral groove has a unidirectionally twisted structure. (8) The slot rod for an optical cable according to claim 1 or 4, wherein the spiral groove has an SZ twist structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2585389U JPH02117508U (en) | 1989-03-07 | 1989-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2585389U JPH02117508U (en) | 1989-03-07 | 1989-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117508U true JPH02117508U (en) | 1990-09-20 |
Family
ID=31246957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2585389U Pending JPH02117508U (en) | 1989-03-07 | 1989-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117508U (en) |
-
1989
- 1989-03-07 JP JP2585389U patent/JPH02117508U/ja active Pending