GB349465A - Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor - Google Patents

Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor

Info

Publication number
GB349465A
GB349465A GB615430A GB615430A GB349465A GB 349465 A GB349465 A GB 349465A GB 615430 A GB615430 A GB 615430A GB 615430 A GB615430 A GB 615430A GB 349465 A GB349465 A GB 349465A
Authority
GB
United Kingdom
Prior art keywords
cover
seatings
frame
projections
manhole
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
GB615430A
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.)
PERCY MARTIN WATTS
Original Assignee
PERCY MARTIN WATTS
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 PERCY MARTIN WATTS filed Critical PERCY MARTIN WATTS
Priority to GB615430A priority Critical patent/GB349465A/en
Publication of GB349465A publication Critical patent/GB349465A/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)
  • Sewage (AREA)

Abstract

349,465. Road surface boxes. WATTS, P. M., Catherine Street Foundry, Macclesfield, Cheshire. Feb. 25, 1930, No. 6154. [Class 107.] The frame of a rectangular manhole, gully grid, or the like, has corner pieces on which the cover or grid rests and is provided with parallel-sided ribs or projections which enter gaps in the walls of the cover, the projections and gaps being so arranged that the cover can be inserted only in one position. The projections d, Fig. 1, of a frame a are arranged at different distances from the respective corners and are adapted to enter corresponding recesses b2 in the cover b, as shown in sectional elevation in Fig. 4. The corners of the frame have bosses which form horizontal seatings c for complemental seatings b<3> of the cover. The seatings may be formed of hard steel plates f, b<4>, which may be cast in the frame or cover respectively or may be riveted thereto. Alternatively, the seatings may be of metal-reinforced balata. The cover is provided with recesses e which receive a lever or the like for raising purposes.
GB615430A 1930-02-25 1930-02-25 Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor Expired GB349465A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB615430A GB349465A (en) 1930-02-25 1930-02-25 Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB615430A GB349465A (en) 1930-02-25 1930-02-25 Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor

Publications (1)

Publication Number Publication Date
GB349465A true GB349465A (en) 1931-05-26

Family

ID=9809388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB615430A Expired GB349465A (en) 1930-02-25 1930-02-25 Improvements in or relating to manhole and like covers, gulley grids and the like and frames therefor

Country Status (1)

Country Link
GB (1) GB349465A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585134A (en) * 1946-07-10 1952-02-12 Union Carbide & Carbon Corp Deck hatch structure
EP2381038A1 (en) * 2010-04-22 2011-10-26 M. Christian Schaeffer Cover for a manhole

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585134A (en) * 1946-07-10 1952-02-12 Union Carbide & Carbon Corp Deck hatch structure
EP2381038A1 (en) * 2010-04-22 2011-10-26 M. Christian Schaeffer Cover for a manhole
FR2959254A1 (en) * 2010-04-22 2011-10-28 Christian Schaeffer TEMPORARY SHUT-OFF DEVICE FOR A CIVIL ENGINEERING LOOK

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