GB414155A - Improvements in covers and frames for manholes and other openings in roadways and pavements - Google Patents

Improvements in covers and frames for manholes and other openings in roadways and pavements

Info

Publication number
GB414155A
GB414155A GB423833A GB423833A GB414155A GB 414155 A GB414155 A GB 414155A GB 423833 A GB423833 A GB 423833A GB 423833 A GB423833 A GB 423833A GB 414155 A GB414155 A GB 414155A
Authority
GB
United Kingdom
Prior art keywords
cover
frame
lip
walls
inwardly
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
GB423833A
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.)
HAROLD WILLIAM BREEZE
WT Henleys Telegraph Works Co Ltd
Original Assignee
HAROLD WILLIAM BREEZE
WT Henleys Telegraph Works Co Ltd
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 HAROLD WILLIAM BREEZE, WT Henleys Telegraph Works Co Ltd filed Critical HAROLD WILLIAM BREEZE
Priority to GB423833A priority Critical patent/GB414155A/en
Publication of GB414155A publication Critical patent/GB414155A/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

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)
  • Bridges Or Land Bridges (AREA)

Abstract

414,155. Manhole frames and covers. HENLEY'S TELEGRAPH WORKS CO., Ltd., W. T., 11, Holborn Viaduct, London, and BREEZE, H. W., Kingswood, Upper Wrotham Road, Gravesend. Feb. 11, 1933, No. 4238. [Class 107.] A rectangular manhole cover 4, resting on an inwardly-projecting flange of the frame 1, has shaped peripheral walls comprising upper and lower substantially vertical portions and an intermediate portion lying at a large angle to the vertical. A small clearance is provided between the cover and the correspondinglyshaped wall of the frame, so that the cover may be removed by sliding it laterally when one edge thereof is slightly raised. In the construction shown, the cover rests on an upstanding lip 3 of an inwardly-projecting portion of the frame. Corner strips 14 may be fitted to the lip to prevent the cover from rocking. The outer edge of the lip or, as shown, the adjacent portion 20 of the cover, may be chamfered to facilitate the lateral removal of the cover. Locating lugs 24 and recesses 23 are formed on the frame and cover respectively, the walls 26, 25, thereof being arranged at different inclinations to provide a wedge-shaped opening for the reception of the end of a pinch-bar. The cover consists of a skeleton framework formed by walls 15 and cross-bars 16 with a concrete or other filling. Key-hole slots 21 opening into pockets 22 are provided at each end of the cover to accommodate the usual lifting keys.
GB423833A 1933-02-11 1933-02-11 Improvements in covers and frames for manholes and other openings in roadways and pavements Expired GB414155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB423833A GB414155A (en) 1933-02-11 1933-02-11 Improvements in covers and frames for manholes and other openings in roadways and pavements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB423833A GB414155A (en) 1933-02-11 1933-02-11 Improvements in covers and frames for manholes and other openings in roadways and pavements

Publications (1)

Publication Number Publication Date
GB414155A true GB414155A (en) 1934-08-02

Family

ID=9773328

Family Applications (1)

Application Number Title Priority Date Filing Date
GB423833A Expired GB414155A (en) 1933-02-11 1933-02-11 Improvements in covers and frames for manholes and other openings in roadways and pavements

Country Status (1)

Country Link
GB (1) GB414155A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531152A1 (en) * 1982-07-31 1984-02-03 Brickhouse Dudley Mfg ASSEMBLY COMPRISING A FRAME AND A COVER, AND METHOD FOR REMOVING THE COVER FROM THE FRAME IN AN ASSEMBLY OF THIS TYPE
GB2129469A (en) * 1982-01-20 1984-05-16 Selflevel Covers Manhole cover frames
EP0390767A2 (en) * 1989-03-31 1990-10-03 Ludo Debergh Airtight manhole closure device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129469A (en) * 1982-01-20 1984-05-16 Selflevel Covers Manhole cover frames
FR2531152A1 (en) * 1982-07-31 1984-02-03 Brickhouse Dudley Mfg ASSEMBLY COMPRISING A FRAME AND A COVER, AND METHOD FOR REMOVING THE COVER FROM THE FRAME IN AN ASSEMBLY OF THIS TYPE
EP0390767A2 (en) * 1989-03-31 1990-10-03 Ludo Debergh Airtight manhole closure device
EP0390767A3 (en) * 1989-03-31 1990-12-12 Ludo Debergh Airtight manhole closure device

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