GB2147931B - Road inspection manhole - Google Patents

Road inspection manhole

Info

Publication number
GB2147931B
GB2147931B GB08404182A GB8404182A GB2147931B GB 2147931 B GB2147931 B GB 2147931B GB 08404182 A GB08404182 A GB 08404182A GB 8404182 A GB8404182 A GB 8404182A GB 2147931 B GB2147931 B GB 2147931B
Authority
GB
United Kingdom
Prior art keywords
inspection manhole
road inspection
road
manhole
inspection
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
GB08404182A
Other versions
GB8404182D0 (en
GB2147931A (en
Inventor
Jacques Francois Oger
Jean-Claude Hauer
Jean-Louis Freis
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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
Priority claimed from FR8022226A external-priority patent/FR2492432A1/en
Priority claimed from FR8117906A external-priority patent/FR2513286B2/en
Application filed by Pont a Mousson SA filed Critical Pont a Mousson SA
Publication of GB8404182D0 publication Critical patent/GB8404182D0/en
Publication of GB2147931A publication Critical patent/GB2147931A/en
Application granted granted Critical
Publication of GB2147931B publication Critical patent/GB2147931B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1427—Locking devices
GB08404182A 1980-10-17 1984-02-17 Road inspection manhole Expired GB2147931B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8022226A FR2492432A1 (en) 1980-10-17 1980-10-17 Carriageway manhole cover and frame - has friction held bearing and locking surfaces preventing cover rock under traffic loads
FR8117906A FR2513286B2 (en) 1981-09-23 1981-09-23 FLOOR LOOK

Publications (3)

Publication Number Publication Date
GB8404182D0 GB8404182D0 (en) 1984-03-21
GB2147931A GB2147931A (en) 1985-05-22
GB2147931B true GB2147931B (en) 1985-10-23

Family

ID=26222037

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8131345A Expired GB2085947B (en) 1980-10-17 1981-10-16 Road inspection manhole
GB08404182A Expired GB2147931B (en) 1980-10-17 1984-02-17 Road inspection manhole

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8131345A Expired GB2085947B (en) 1980-10-17 1981-10-16 Road inspection manhole

Country Status (4)

Country Link
DE (1) DE3141006C2 (en)
ES (2) ES268791Y (en)
GB (2) GB2085947B (en)
IT (1) IT1144896B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380044B (en) * 1983-06-06 1986-03-25 Koessler Johann CONCLUSION FOR SHAFTS, e.g. ON ROADS AND KEYS HIEFUER
DE3801282A1 (en) * 1988-01-19 1988-08-04 Eichelmann Horst Shaft covering with safety self-locking mechanism
FR2682407B1 (en) * 1991-10-15 1994-01-07 A3C Metal LOOK FOR PAVEMENT OR THE LIKE.
FR2770861B1 (en) * 1997-11-13 2000-01-14 Pont A Mousson SQUARE OR RECTANGULAR PATHWAY DEVICE COMPRISING A SUPPORT FRAME AND A COVERING ELEMENT
GB2381817B (en) * 2001-11-10 2003-10-22 Clarksteel Ltd Improvements in and relating to access covers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB266482A (en) * 1925-12-05 1927-03-03 William Crabtree Improvements relating to manhole and like boxes and covers
GB482517A (en) * 1936-09-30 1938-03-30 Frederick Turnbull Improvements in and relating to manhole and like covers
GB492190A (en) * 1937-03-18 1938-09-16 Walter Needham Improvements in or relating to manhole and like covers and frames therefor for roads and pathways
GB535177A (en) * 1939-08-29 1941-04-01 Dudley & Dowell Ltd Improvements in or relating to gratings and covers for drains
DE2049923C3 (en) * 1970-10-10 1974-09-26 Rheinstahl Ag, 4300 Essen Hexagonal manhole cover
FR2300852A1 (en) * 1975-02-11 1976-09-10 Sambre & Meuse Usines STAMP FOR CIRCULAR SIGHT AND SIGHT EQUIPPED WITH THIS STAMP
DE3112641C2 (en) * 1980-04-04 1985-11-28 Pont-à-Mousson S.A., Nancy Manhole cover for a street manhole

Also Published As

Publication number Publication date
DE3141006A1 (en) 1982-05-19
GB8404182D0 (en) 1984-03-21
GB2085947B (en) 1985-06-19
GB2085947A (en) 1982-05-06
ES271808Y (en) 1984-04-16
DE3141006C2 (en) 1985-05-30
ES271808U (en) 1983-10-16
GB2147931A (en) 1985-05-22
IT1144896B (en) 1986-10-29
IT8168347A0 (en) 1981-10-16
ES268791U (en) 1983-08-01
ES268791Y (en) 1984-02-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971016