JPH01155006U - - Google Patents

Info

Publication number
JPH01155006U
JPH01155006U JP4541588U JP4541588U JPH01155006U JP H01155006 U JPH01155006 U JP H01155006U JP 4541588 U JP4541588 U JP 4541588U JP 4541588 U JP4541588 U JP 4541588U JP H01155006 U JPH01155006 U JP H01155006U
Authority
JP
Japan
Prior art keywords
junction box
open
check valve
optical fiber
outside air
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
Application number
JP4541588U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4541588U priority Critical patent/JPH01155006U/ja
Publication of JPH01155006U publication Critical patent/JPH01155006U/ja
Pending legal-status Critical Current

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Landscapes

  • Cable Accessories (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案に係る接続箱の構成を示す説明
図、第2図は従来の接続箱の構成を示す説明図、
第3図はOPGWの鉄塔における接続部の状況を
示す説明図である。 1,1′:OPGW、2,2′:引留クランプ
、3,3′:引下げ部、4:接続箱、5:逆止バ
ルブ、6:水抜栓、10:鉄塔。
FIG. 1 is an explanatory diagram showing the configuration of a junction box according to the present invention, FIG. 2 is an explanatory diagram showing the configuration of a conventional junction box,
FIG. 3 is an explanatory diagram showing the state of connections in OPGW steel towers. 1, 1': OPGW, 2, 2': Retaining clamp, 3, 3': Pulling down part, 4: Connection box, 5: Check valve, 6: Drain plug, 10: Steel tower.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 接続箱の下部に、外気側からの圧力によつて開
くことはないが接続箱の内部に水が溜つた場合に
は開き得る逆止バルブを設置してなる光フアイバ
複合架空地線用接続箱。
A junction box for optical fiber composite overhead ground wires, which has a check valve installed at the bottom of the junction box that does not open due to pressure from the outside air side, but can open if water accumulates inside the junction box. .
JP4541588U 1988-04-04 1988-04-04 Pending JPH01155006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4541588U JPH01155006U (en) 1988-04-04 1988-04-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4541588U JPH01155006U (en) 1988-04-04 1988-04-04

Publications (1)

Publication Number Publication Date
JPH01155006U true JPH01155006U (en) 1989-10-25

Family

ID=31271728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4541588U Pending JPH01155006U (en) 1988-04-04 1988-04-04

Country Status (1)

Country Link
JP (1) JPH01155006U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011007893A (en) * 2009-06-24 2011-01-13 Hokkaido Electric Power Co Inc:The Storage box for coated optical fiber connection box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011007893A (en) * 2009-06-24 2011-01-13 Hokkaido Electric Power Co Inc:The Storage box for coated optical fiber connection box

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