GB1536214A - Manhole assemblies - Google Patents

Manhole assemblies

Info

Publication number
GB1536214A
GB1536214A GB2847776A GB2847776A GB1536214A GB 1536214 A GB1536214 A GB 1536214A GB 2847776 A GB2847776 A GB 2847776A GB 2847776 A GB2847776 A GB 2847776A GB 1536214 A GB1536214 A GB 1536214A
Authority
GB
United Kingdom
Prior art keywords
frame
covers
pivoted
july
manhole assemblies
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
GB2847776A
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.)
British Steel Corp
Original Assignee
British Steel Corp
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 British Steel Corp filed Critical British Steel Corp
Priority to GB2847776A priority Critical patent/GB1536214A/en
Publication of GB1536214A publication Critical patent/GB1536214A/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
    • 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)

Abstract

1536214 Manholes BRITISH STEEL CORP 7 July 1977 [8 July 1976] 28477/76 Heading E1G A manhole assembly comprises a frame 1 defining a quadrilateral, and at least two triangular covers 2, 3 each pivoted along one side on opposite sides of the frame to cover the area defined by the frame. The frame is rectangular and the covers are right angled triangles with a foot at the apex opposite the pivoted side. The specification also describes a locking device for the covers which is subject matter of Specification 1536213. The covers are pivoted on bosses which engage in slots 29 and are secured by locking pins 30.
GB2847776A 1977-07-07 1977-07-07 Manhole assemblies Expired GB1536214A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2847776A GB1536214A (en) 1977-07-07 1977-07-07 Manhole assemblies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2847776A GB1536214A (en) 1977-07-07 1977-07-07 Manhole assemblies

Publications (1)

Publication Number Publication Date
GB1536214A true GB1536214A (en) 1978-12-20

Family

ID=10276260

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2847776A Expired GB1536214A (en) 1977-07-07 1977-07-07 Manhole assemblies

Country Status (1)

Country Link
GB (1) GB1536214A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226841A (en) * 1988-12-14 1990-07-11 Glynwed Consumer & Building Cover and frame assembly for access opening
FR2732050A1 (en) * 1995-03-24 1996-09-27 Barat Sa Locking mechanism for triangular access hatches to underground networks
FR2805292A1 (en) 2000-02-17 2001-08-24 Saint Gobain Pont A Mousson Manhole or inspection chamber cover has hinges in form of forks with one section removable
GB2360807A (en) * 2000-04-01 2001-10-03 Atlanta Impex Ltd Access Cover Component and Assembly
EP0808951B1 (en) * 1996-05-24 2001-11-28 Norinco Hinged manhole cover on a frame
WO2003027400A1 (en) * 2001-09-21 2003-04-03 Aco Severin Ahlmann Gmbh & Co. Kg. Cover arrangement
WO2007020398A1 (en) * 2005-08-12 2007-02-22 Enderby Construction Limited Manhole cover assembly

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226841A (en) * 1988-12-14 1990-07-11 Glynwed Consumer & Building Cover and frame assembly for access opening
FR2732050A1 (en) * 1995-03-24 1996-09-27 Barat Sa Locking mechanism for triangular access hatches to underground networks
EP0808951B1 (en) * 1996-05-24 2001-11-28 Norinco Hinged manhole cover on a frame
FR2805292A1 (en) 2000-02-17 2001-08-24 Saint Gobain Pont A Mousson Manhole or inspection chamber cover has hinges in form of forks with one section removable
GB2360807A (en) * 2000-04-01 2001-10-03 Atlanta Impex Ltd Access Cover Component and Assembly
GB2360807B (en) * 2000-04-01 2004-03-31 Atlanta Impex Ltd A cover part for a cover and frame assembly,a cover for a cover and frame assembly and a cover and frame assembly
WO2003027400A1 (en) * 2001-09-21 2003-04-03 Aco Severin Ahlmann Gmbh & Co. Kg. Cover arrangement
US7048468B2 (en) 2001-09-21 2006-05-23 Aco Serverin Ahlmann Gmbh & Co. Kg Cover arrangement
WO2007020398A1 (en) * 2005-08-12 2007-02-22 Enderby Construction Limited Manhole cover assembly

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19970706