GB535621A - Improvements in and relating to manhole covers and frames - Google Patents

Improvements in and relating to manhole covers and frames

Info

Publication number
GB535621A
GB535621A GB28029/39A GB2802939A GB535621A GB 535621 A GB535621 A GB 535621A GB 28029/39 A GB28029/39 A GB 28029/39A GB 2802939 A GB2802939 A GB 2802939A GB 535621 A GB535621 A GB 535621A
Authority
GB
United Kingdom
Prior art keywords
covers
frame
frames
relating
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
GB28029/39A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB28029/39A priority Critical patent/GB535621A/en
Publication of GB535621A publication Critical patent/GB535621A/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
    • E02D29/1463—Hinged connection of cover to frame
    • 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
    • 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
    • E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic

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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

535,621. Manhole covers. HARTLEY, C. J. Oct. 17, 1939. No. 28029. [Class 107] A manhole cover and frame of the kind in which two triangular shaped covers 16. 17 are mounted back to back in the frame 10, each cover being supported at three points and adapted to open about an axis across the centre of the frame, has a removable cross bar 15 disposed across the frame between the backs of the covers and against which the covers abut, the ends of the cross bar being fitted in flattened portions of the frame, which accomodate the dual seats at the adjacent ends of the covers. The cross-bar may be of T or other bulbine section, and the ends of the covers may slide as the covers are raised. Specifications 390,806 and 474,250 are referred to.
GB28029/39A 1939-10-17 1939-10-17 Improvements in and relating to manhole covers and frames Expired GB535621A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28029/39A GB535621A (en) 1939-10-17 1939-10-17 Improvements in and relating to manhole covers and frames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28029/39A GB535621A (en) 1939-10-17 1939-10-17 Improvements in and relating to manhole covers and frames

Publications (1)

Publication Number Publication Date
GB535621A true GB535621A (en) 1941-04-16

Family

ID=10269110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28029/39A Expired GB535621A (en) 1939-10-17 1939-10-17 Improvements in and relating to manhole covers and frames

Country Status (1)

Country Link
GB (1) GB535621A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997932A (en) * 1957-08-06 1961-08-29 William W Taylor Manhole structure
FR2516115A1 (en) * 1981-11-10 1983-05-13 Selflevel Covers Jersey Ltd METHODS OF INSTALLATION OF OSSATURES FOR WELLS AND ACCESS CAPS AND FACILITIES AND OSSATURES FOR THE IMPLEMENTATION OF SAID METHODS
EP0808951B1 (en) * 1996-05-24 2001-11-28 Norinco Hinged manhole cover on a frame

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997932A (en) * 1957-08-06 1961-08-29 William W Taylor Manhole structure
FR2516115A1 (en) * 1981-11-10 1983-05-13 Selflevel Covers Jersey Ltd METHODS OF INSTALLATION OF OSSATURES FOR WELLS AND ACCESS CAPS AND FACILITIES AND OSSATURES FOR THE IMPLEMENTATION OF SAID METHODS
EP0808951B1 (en) * 1996-05-24 2001-11-28 Norinco Hinged manhole cover on a frame

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