JP2511019Y2 - 洞道立坑等開口アコ―ディオン式開閉蓋装置 - Google Patents

洞道立坑等開口アコ―ディオン式開閉蓋装置

Info

Publication number
JP2511019Y2
JP2511019Y2 JP1989038562U JP3856289U JP2511019Y2 JP 2511019 Y2 JP2511019 Y2 JP 2511019Y2 JP 1989038562 U JP1989038562 U JP 1989038562U JP 3856289 U JP3856289 U JP 3856289U JP 2511019 Y2 JP2511019 Y2 JP 2511019Y2
Authority
JP
Japan
Prior art keywords
opening
rod
slide
accordion
rods
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.)
Expired - Lifetime
Application number
JP1989038562U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02129123U (cg-RX-API-DMAC7.html
Inventor
源吉 三浦
章 高牟礼
完次 金原
真一 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1989038562U priority Critical patent/JP2511019Y2/ja
Publication of JPH02129123U publication Critical patent/JPH02129123U/ja
Application granted granted Critical
Publication of JP2511019Y2 publication Critical patent/JP2511019Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)
JP1989038562U 1989-03-31 1989-03-31 洞道立坑等開口アコ―ディオン式開閉蓋装置 Expired - Lifetime JP2511019Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989038562U JP2511019Y2 (ja) 1989-03-31 1989-03-31 洞道立坑等開口アコ―ディオン式開閉蓋装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989038562U JP2511019Y2 (ja) 1989-03-31 1989-03-31 洞道立坑等開口アコ―ディオン式開閉蓋装置

Publications (2)

Publication Number Publication Date
JPH02129123U JPH02129123U (cg-RX-API-DMAC7.html) 1990-10-24
JP2511019Y2 true JP2511019Y2 (ja) 1996-09-18

Family

ID=31546677

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989038562U Expired - Lifetime JP2511019Y2 (ja) 1989-03-31 1989-03-31 洞道立坑等開口アコ―ディオン式開閉蓋装置

Country Status (1)

Country Link
JP (1) JP2511019Y2 (cg-RX-API-DMAC7.html)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54156339A (en) * 1978-05-31 1979-12-10 Matsushita Electric Works Ltd Manhole lid
JPS5855730Y2 (ja) * 1979-09-28 1983-12-21 パイオニア株式会社 スピ−カ
JPH0332208Y2 (cg-RX-API-DMAC7.html) * 1985-09-18 1991-07-09

Also Published As

Publication number Publication date
JPH02129123U (cg-RX-API-DMAC7.html) 1990-10-24

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term