JP2527887Y2 - マンホール蓋 - Google Patents

マンホール蓋

Info

Publication number
JP2527887Y2
JP2527887Y2 JP1989003679U JP367989U JP2527887Y2 JP 2527887 Y2 JP2527887 Y2 JP 2527887Y2 JP 1989003679 U JP1989003679 U JP 1989003679U JP 367989 U JP367989 U JP 367989U JP 2527887 Y2 JP2527887 Y2 JP 2527887Y2
Authority
JP
Japan
Prior art keywords
manhole cover
thickness
height
width
rib
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
JP1989003679U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0297435U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
広邦 加藤
紀 土井
Original Assignee
中部工機 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 中部工機 株式会社 filed Critical 中部工機 株式会社
Priority to JP1989003679U priority Critical patent/JP2527887Y2/ja
Publication of JPH0297435U publication Critical patent/JPH0297435U/ja
Application granted granted Critical
Publication of JP2527887Y2 publication Critical patent/JP2527887Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1989003679U 1989-01-17 1989-01-17 マンホール蓋 Expired - Lifetime JP2527887Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989003679U JP2527887Y2 (ja) 1989-01-17 1989-01-17 マンホール蓋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989003679U JP2527887Y2 (ja) 1989-01-17 1989-01-17 マンホール蓋

Publications (2)

Publication Number Publication Date
JPH0297435U JPH0297435U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-02
JP2527887Y2 true JP2527887Y2 (ja) 1997-03-05

Family

ID=31205528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989003679U Expired - Lifetime JP2527887Y2 (ja) 1989-01-17 1989-01-17 マンホール蓋

Country Status (1)

Country Link
JP (1) JP2527887Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5063762U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-10-08 1975-06-10
JPS60115954U (ja) * 1984-01-11 1985-08-06 西武機材株式会社 マンホ−ルなどの蓋体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
伊藤哲男著「マンホール鉄蓋」（昭４２、７、３０）東京出版センター Ｐ．５４、５５

Also Published As

Publication number Publication date
JPH0297435U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-08-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term