JPH0632967Y2 - マンホール用防護柵 - Google Patents

マンホール用防護柵

Info

Publication number
JPH0632967Y2
JPH0632967Y2 JP10495589U JP10495589U JPH0632967Y2 JP H0632967 Y2 JPH0632967 Y2 JP H0632967Y2 JP 10495589 U JP10495589 U JP 10495589U JP 10495589 U JP10495589 U JP 10495589U JP H0632967 Y2 JPH0632967 Y2 JP H0632967Y2
Authority
JP
Japan
Prior art keywords
lower frame
upper frame
manhole
frame
protective fence
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
JP10495589U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0346515U (en]
Inventor
彰 杉山
大造 黒瀬
治男 久保田
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.)
Nippon Koei Co Ltd
Original Assignee
Nippon Koei Co Ltd
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 Koei Co Ltd filed Critical Nippon Koei Co Ltd
Priority to JP10495589U priority Critical patent/JPH0632967Y2/ja
Publication of JPH0346515U publication Critical patent/JPH0346515U/ja
Application granted granted Critical
Publication of JPH0632967Y2 publication Critical patent/JPH0632967Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
JP10495589U 1989-09-07 1989-09-07 マンホール用防護柵 Expired - Lifetime JPH0632967Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10495589U JPH0632967Y2 (ja) 1989-09-07 1989-09-07 マンホール用防護柵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10495589U JPH0632967Y2 (ja) 1989-09-07 1989-09-07 マンホール用防護柵

Publications (2)

Publication Number Publication Date
JPH0346515U JPH0346515U (en]) 1991-04-30
JPH0632967Y2 true JPH0632967Y2 (ja) 1994-08-31

Family

ID=31653733

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10495589U Expired - Lifetime JPH0632967Y2 (ja) 1989-09-07 1989-09-07 マンホール用防護柵

Country Status (1)

Country Link
JP (1) JPH0632967Y2 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102490298B1 (ko) * 2022-05-18 2023-01-18 김호균 맨홀 추락 방지장치

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4621640B2 (ja) * 2006-07-24 2011-01-26 帝金株式会社 車止め
JP2008085191A (ja) * 2006-09-28 2008-04-10 Allied Telesis Holdings Kk 搭載用構造体、該搭載用構造体を構成する搭載用部材および移動部材
JP2010265658A (ja) * 2009-05-14 2010-11-25 Seibu Giken Kogyo Kk マンホール用補助梯子
JP6319863B2 (ja) * 2013-07-25 2018-05-09 東京都下水道サービス株式会社 人孔用送風機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102490298B1 (ko) * 2022-05-18 2023-01-18 김호균 맨홀 추락 방지장치

Also Published As

Publication number Publication date
JPH0346515U (en]) 1991-04-30

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term