JPH0617874Y2 - 鉄蓋の孔開閉構造 - Google Patents

鉄蓋の孔開閉構造

Info

Publication number
JPH0617874Y2
JPH0617874Y2 JP1987105803U JP10580387U JPH0617874Y2 JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2 JP 1987105803 U JP1987105803 U JP 1987105803U JP 10580387 U JP10580387 U JP 10580387U JP H0617874 Y2 JPH0617874 Y2 JP H0617874Y2
Authority
JP
Japan
Prior art keywords
opening
iron lid
hole
closing
closing member
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
JP1987105803U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6410555U (US20030199744A1-20031023-C00003.png
Inventor
清 石田
Original Assignee
株式会社トミス
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 株式会社トミス filed Critical 株式会社トミス
Priority to JP1987105803U priority Critical patent/JPH0617874Y2/ja
Publication of JPS6410555U publication Critical patent/JPS6410555U/ja
Application granted granted Critical
Publication of JPH0617874Y2 publication Critical patent/JPH0617874Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1987105803U 1987-07-09 1987-07-09 鉄蓋の孔開閉構造 Expired - Lifetime JPH0617874Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987105803U JPH0617874Y2 (ja) 1987-07-09 1987-07-09 鉄蓋の孔開閉構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987105803U JPH0617874Y2 (ja) 1987-07-09 1987-07-09 鉄蓋の孔開閉構造

Publications (2)

Publication Number Publication Date
JPS6410555U JPS6410555U (US20030199744A1-20031023-C00003.png) 1989-01-20
JPH0617874Y2 true JPH0617874Y2 (ja) 1994-05-11

Family

ID=31338745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987105803U Expired - Lifetime JPH0617874Y2 (ja) 1987-07-09 1987-07-09 鉄蓋の孔開閉構造

Country Status (1)

Country Link
JP (1) JPH0617874Y2 (US20030199744A1-20031023-C00003.png)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583891Y2 (ja) * 1980-12-10 1983-01-22 日昭興産株式会社 地下連結用蓋の孔開閉構造

Also Published As

Publication number Publication date
JPS6410555U (US20030199744A1-20031023-C00003.png) 1989-01-20

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