JPS608738U - 内圧逃し機構付のマンホ−ル蓋 - Google Patents

内圧逃し機構付のマンホ−ル蓋

Info

Publication number
JPS608738U
JPS608738U JP9738083U JP9738083U JPS608738U JP S608738 U JPS608738 U JP S608738U JP 9738083 U JP9738083 U JP 9738083U JP 9738083 U JP9738083 U JP 9738083U JP S608738 U JPS608738 U JP S608738U
Authority
JP
Japan
Prior art keywords
hinge
receiving frame
shelf
internal pressure
manhole cover
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.)
Granted
Application number
JP9738083U
Other languages
English (en)
Japanese (ja)
Other versions
JPS625095Y2 (en]
Inventor
安部　武治
Original Assignee
日豊金属工業株式会社
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 日豊金属工業株式会社 filed Critical 日豊金属工業株式会社
Priority to JP9738083U priority Critical patent/JPS608738U/ja
Publication of JPS608738U publication Critical patent/JPS608738U/ja
Application granted granted Critical
Publication of JPS625095Y2 publication Critical patent/JPS625095Y2/ja
Granted legal-status Critical Current

Links

JP9738083U 1983-06-25 1983-06-25 内圧逃し機構付のマンホ−ル蓋 Granted JPS608738U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9738083U JPS608738U (ja) 1983-06-25 1983-06-25 内圧逃し機構付のマンホ−ル蓋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9738083U JPS608738U (ja) 1983-06-25 1983-06-25 内圧逃し機構付のマンホ−ル蓋

Publications (2)

Publication Number Publication Date
JPS608738U true JPS608738U (ja) 1985-01-22
JPS625095Y2 JPS625095Y2 (en]) 1987-02-05

Family

ID=30231661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9738083U Granted JPS608738U (ja) 1983-06-25 1983-06-25 内圧逃し機構付のマンホ−ル蓋

Country Status (1)

Country Link
JP (1) JPS608738U (en])

Also Published As

Publication number Publication date
JPS625095Y2 (en]) 1987-02-05

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