JPH0724423Y2 - マンホール蓋構造 - Google Patents

マンホール蓋構造

Info

Publication number
JPH0724423Y2
JPH0724423Y2 JP1989078701U JP7870189U JPH0724423Y2 JP H0724423 Y2 JPH0724423 Y2 JP H0724423Y2 JP 1989078701 U JP1989078701 U JP 1989078701U JP 7870189 U JP7870189 U JP 7870189U JP H0724423 Y2 JPH0724423 Y2 JP H0724423Y2
Authority
JP
Japan
Prior art keywords
manhole
cushioning material
cover
manhole iron
asphalt mixture
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
JP1989078701U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0318253U (enExample
Inventor
勉 三品
良治 石塚
良悦 土門
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1989078701U priority Critical patent/JPH0724423Y2/ja
Publication of JPH0318253U publication Critical patent/JPH0318253U/ja
Application granted granted Critical
Publication of JPH0724423Y2 publication Critical patent/JPH0724423Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1989078701U 1989-07-05 1989-07-05 マンホール蓋構造 Expired - Lifetime JPH0724423Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989078701U JPH0724423Y2 (ja) 1989-07-05 1989-07-05 マンホール蓋構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989078701U JPH0724423Y2 (ja) 1989-07-05 1989-07-05 マンホール蓋構造

Publications (2)

Publication Number Publication Date
JPH0318253U JPH0318253U (enExample) 1991-02-22
JPH0724423Y2 true JPH0724423Y2 (ja) 1995-06-05

Family

ID=31622201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989078701U Expired - Lifetime JPH0724423Y2 (ja) 1989-07-05 1989-07-05 マンホール蓋構造

Country Status (1)

Country Link
JP (1) JPH0724423Y2 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428440A (en) * 1977-08-04 1979-03-03 Hinode Suidou Kiki Kk Manhole cover structure
JPS60195343U (ja) * 1984-06-02 1985-12-26 尾見　昭良 アスファルト舗装道路用マンホール

Also Published As

Publication number Publication date
JPH0318253U (enExample) 1991-02-22

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Legal Events

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Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term