GB1319508A - Inspection hole for a road - Google Patents

Inspection hole for a road

Info

Publication number
GB1319508A
GB1319508A GB5722770A GB5722770A GB1319508A GB 1319508 A GB1319508 A GB 1319508A GB 5722770 A GB5722770 A GB 5722770A GB 5722770 A GB5722770 A GB 5722770A GB 1319508 A GB1319508 A GB 1319508A
Authority
GB
United Kingdom
Prior art keywords
frame
frames
cooperating
cover
interlocked
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
GB5722770A
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
Application filed by Pont a Mousson SA filed Critical Pont a Mousson SA
Publication of GB1319508A publication Critical patent/GB1319508A/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
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Paving Structures (AREA)

Abstract

1319508 Manhole covers and frames PONTA-MOUSSON SA 1 Dec 1970 [4 Dec 1969] 57227/70 Heading E1G A manhole cover and frame assembly comprises a cover T seated in a height-adjusting intermediate frame R which is in turn seated in a fixed frame C, the frames and cover being interlocked in series by the provision of cooperating hooks, inclined lugs and notches. As shown the frame R is circular and has two depending hooks 10 cooperating with a notched annular rib 3 and also, Fig. 2 (not shown), an inclined depending lug (11) cooperating with an inclined notch (5), the frames being interengaged by a tilting action, whereafter the frame R is rotated to the locked position shown. Similar interlock formations are provided between the cover T and frame R. In a modification employing two superposed intermediate frames, Fig. 4 (not shown) the lower and fixed frames (R', C) are not interlocked, but are provided with cooperating stepped ramps for height adjustment.
GB5722770A 1969-12-04 1970-12-01 Inspection hole for a road Expired GB1319508A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6941833A FR2070412A5 (en) 1969-12-04 1969-12-04

Publications (1)

Publication Number Publication Date
GB1319508A true GB1319508A (en) 1973-06-06

Family

ID=9044062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5722770A Expired GB1319508A (en) 1969-12-04 1970-12-01 Inspection hole for a road

Country Status (7)

Country Link
BE (1) BE759178A (en)
DE (2) DE2059124A1 (en)
ES (1) ES386667A1 (en)
FR (1) FR2070412A5 (en)
GB (1) GB1319508A (en)
LU (1) LU62091A1 (en)
NL (1) NL7017619A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005381A1 (en) * 1987-12-11 1989-06-15 Holstebro Jernstøberi A/S Stop-cock cover and extension ring therefor
GB2311550A (en) * 1996-03-29 1997-10-01 Csr Ltd Device for mounting an access cover

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419363A2 (en) * 1978-03-07 1979-10-05 Sambre & Meuse Usines Carriageway type manhole cover - has three ramped lugs engaging frame sockets by rotary descent, with extension rings inserted when road is re-surfaced
US4466219A (en) * 1982-01-04 1984-08-21 Campolito James J Adjustable manhole cover
AT380044B (en) * 1983-06-06 1986-03-25 Koessler Johann CONCLUSION FOR SHAFTS, e.g. ON ROADS AND KEYS HIEFUER
CN107165194A (en) * 2016-03-08 2017-09-15 沈金钟 A kind of spiral adjustable well lid of terraced tooth
CN108265756B (en) * 2018-03-20 2024-01-30 嘉兴恒力建材科技有限公司 Well lid with liquid level monitoring function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005381A1 (en) * 1987-12-11 1989-06-15 Holstebro Jernstøberi A/S Stop-cock cover and extension ring therefor
GB2311550A (en) * 1996-03-29 1997-10-01 Csr Ltd Device for mounting an access cover

Also Published As

Publication number Publication date
NL7017619A (en) 1971-06-08
BE759178A (en) 1971-04-30
DE2059124A1 (en) 1971-06-16
LU62091A1 (en) 1971-05-11
DE7044394U (en) 1971-10-21
ES386667A1 (en) 1973-04-01
FR2070412A5 (en) 1971-09-10

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Legal Events

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