JPS6126231Y2 - - Google Patents

Info

Publication number
JPS6126231Y2
JPS6126231Y2 JP1981068165U JP6816581U JPS6126231Y2 JP S6126231 Y2 JPS6126231 Y2 JP S6126231Y2 JP 1981068165 U JP1981068165 U JP 1981068165U JP 6816581 U JP6816581 U JP 6816581U JP S6126231 Y2 JPS6126231 Y2 JP S6126231Y2
Authority
JP
Japan
Prior art keywords
manhole
lid
unit plate
cover
edge
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
JP1981068165U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57180694U (en]
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 JP1981068165U priority Critical patent/JPS6126231Y2/ja
Publication of JPS57180694U publication Critical patent/JPS57180694U/ja
Application granted granted Critical
Publication of JPS6126231Y2 publication Critical patent/JPS6126231Y2/ja
Expired legal-status Critical Current

Links

JP1981068165U 1981-05-11 1981-05-11 Expired JPS6126231Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981068165U JPS6126231Y2 (en]) 1981-05-11 1981-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981068165U JPS6126231Y2 (en]) 1981-05-11 1981-05-11

Publications (2)

Publication Number Publication Date
JPS57180694U JPS57180694U (en]) 1982-11-16
JPS6126231Y2 true JPS6126231Y2 (en]) 1986-08-06

Family

ID=29864122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981068165U Expired JPS6126231Y2 (en]) 1981-05-11 1981-05-11

Country Status (1)

Country Link
JP (1) JPS6126231Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006018244U1 (de) * 2006-12-01 2008-04-10 Thorwesten Vent Gmbh Vorrichtung zum Ausgleich von Druckstößen in geschlossenen Systemen, wie Silos o.dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS607417Y2 (ja) * 1977-05-26 1985-03-12 積水工事株式会社 マンホ−ル用単位板
JPS55134079A (en) * 1979-03-29 1980-10-18 Shin Meiwa Ind Co Ltd Device for hermetically sealing opening portion of tank truck* etc*

Also Published As

Publication number Publication date
JPS57180694U (en]) 1982-11-16

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