JPS51144055A - Manhole covering made of iron - Google Patents

Manhole covering made of iron

Info

Publication number
JPS51144055A
JPS51144055A JP50068010A JP6801075A JPS51144055A JP S51144055 A JPS51144055 A JP S51144055A JP 50068010 A JP50068010 A JP 50068010A JP 6801075 A JP6801075 A JP 6801075A JP S51144055 A JPS51144055 A JP S51144055A
Authority
JP
Japan
Prior art keywords
iron
covering made
manhole covering
manhole
strength against
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
JP50068010A
Other languages
Japanese (ja)
Other versions
JPS545623B2 (en
Inventor
Shoichi Sakamoto
Kazuo Suzaki
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.)
FUJI GREAT KOGYO KK
FUJI GUREETO KOUGIYOU KK
Original Assignee
FUJI GREAT KOGYO KK
FUJI GUREETO KOUGIYOU KK
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 FUJI GREAT KOGYO KK, FUJI GUREETO KOUGIYOU KK filed Critical FUJI GREAT KOGYO KK
Priority to JP50068010A priority Critical patent/JPS51144055A/en
Publication of JPS51144055A publication Critical patent/JPS51144055A/en
Publication of JPS545623B2 publication Critical patent/JPS545623B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To provide a manhole covering made of iron having strength against load.
COPYRIGHT: (C)1976,JPO&Japio
JP50068010A 1975-06-05 1975-06-05 Manhole covering made of iron Granted JPS51144055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50068010A JPS51144055A (en) 1975-06-05 1975-06-05 Manhole covering made of iron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50068010A JPS51144055A (en) 1975-06-05 1975-06-05 Manhole covering made of iron

Publications (2)

Publication Number Publication Date
JPS51144055A true JPS51144055A (en) 1976-12-10
JPS545623B2 JPS545623B2 (en) 1979-03-19

Family

ID=13361441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50068010A Granted JPS51144055A (en) 1975-06-05 1975-06-05 Manhole covering made of iron

Country Status (1)

Country Link
JP (1) JPS51144055A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146260U (en) * 1977-04-25 1978-11-17
JPS6053863U (en) * 1983-09-21 1985-04-16 不二グレ−ト工業株式会社 Lid of fire hydrant case

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63200515U (en) * 1987-06-16 1988-12-23

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932719A (en) * 1960-06-20 1963-07-31 William Whitworth Taylor Improvements in manhole structures
JPS545623A (en) * 1977-06-15 1979-01-17 Matsushita Electric Ind Co Ltd Code reading device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932719A (en) * 1960-06-20 1963-07-31 William Whitworth Taylor Improvements in manhole structures
JPS545623A (en) * 1977-06-15 1979-01-17 Matsushita Electric Ind Co Ltd Code reading device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146260U (en) * 1977-04-25 1978-11-17
JPS6053863U (en) * 1983-09-21 1985-04-16 不二グレ−ト工業株式会社 Lid of fire hydrant case
JPH0320376Y2 (en) * 1983-09-21 1991-05-01

Also Published As

Publication number Publication date
JPS545623B2 (en) 1979-03-19

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