JPS6019157Y2 - 内部から容易に開くことができるマンホ−ル蓋構造 - Google Patents

内部から容易に開くことができるマンホ−ル蓋構造

Info

Publication number
JPS6019157Y2
JPS6019157Y2 JP1978071979U JP7197978U JPS6019157Y2 JP S6019157 Y2 JPS6019157 Y2 JP S6019157Y2 JP 1978071979 U JP1978071979 U JP 1978071979U JP 7197978 U JP7197978 U JP 7197978U JP S6019157 Y2 JPS6019157 Y2 JP S6019157Y2
Authority
JP
Japan
Prior art keywords
lid
manual
manhole
manhole cover
easily opened
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
Application number
JP1978071979U
Other languages
English (en)
Japanese (ja)
Other versions
JPS54173561U (US06312121-20011106-C00033.png
Inventor
友浩 伊原
Original Assignee
日昭興産株式会社
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 日昭興産株式会社 filed Critical 日昭興産株式会社
Priority to JP1978071979U priority Critical patent/JPS6019157Y2/ja
Publication of JPS54173561U publication Critical patent/JPS54173561U/ja
Application granted granted Critical
Publication of JPS6019157Y2 publication Critical patent/JPS6019157Y2/ja
Expired legal-status Critical Current

Links

JP1978071979U 1978-05-26 1978-05-26 内部から容易に開くことができるマンホ−ル蓋構造 Expired JPS6019157Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1978071979U JPS6019157Y2 (ja) 1978-05-26 1978-05-26 内部から容易に開くことができるマンホ−ル蓋構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978071979U JPS6019157Y2 (ja) 1978-05-26 1978-05-26 内部から容易に開くことができるマンホ−ル蓋構造

Publications (2)

Publication Number Publication Date
JPS54173561U JPS54173561U (US06312121-20011106-C00033.png) 1979-12-07
JPS6019157Y2 true JPS6019157Y2 (ja) 1985-06-10

Family

ID=28983241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978071979U Expired JPS6019157Y2 (ja) 1978-05-26 1978-05-26 内部から容易に開くことができるマンホ−ル蓋構造

Country Status (1)

Country Link
JP (1) JPS6019157Y2 (US06312121-20011106-C00033.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6128527B2 (ja) * 2014-05-30 2017-05-17 有限会社エマージェンシー 地下空間構造物の地上開口部構造

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5038370Y2 (US06312121-20011106-C00033.png) * 1972-03-21 1975-11-06

Also Published As

Publication number Publication date
JPS54173561U (US06312121-20011106-C00033.png) 1979-12-07

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