GB203230A - Improvements in or relating to manhole covers and the like and frames therefor - Google Patents

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

Info

Publication number
GB203230A
GB203230A GB3019722A GB3019722A GB203230A GB 203230 A GB203230 A GB 203230A GB 3019722 A GB3019722 A GB 3019722A GB 3019722 A GB3019722 A GB 3019722A GB 203230 A GB203230 A GB 203230A
Authority
GB
United Kingdom
Prior art keywords
relating
manhole covers
frames therefor
needham
base
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
GB3019722A
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.)
JOHN NEEDHAM AND SONS Ltd
WALTER NEEDHAM
Original Assignee
JOHN NEEDHAM AND SONS Ltd
WALTER NEEDHAM
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 JOHN NEEDHAM AND SONS Ltd, WALTER NEEDHAM filed Critical JOHN NEEDHAM AND SONS Ltd
Priority to GB3019722A priority Critical patent/GB203230A/en
Publication of GB203230A publication Critical patent/GB203230A/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

203,230. Needham & Sons, Ltd., J., and Needham, W. Nov. 4, 1922. Road-surface boxes'. - To prevent rocking, a manhole or like cover I is provided with a depending rim J the base of which is tapered to engage a corresponding annular groove G formed in an interior flange E at the base of the frame A. Drain-holes H are provided in the groove G.
GB3019722A 1922-11-04 1922-11-04 Improvements in or relating to manhole covers and the like and frames therefor Expired GB203230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3019722A GB203230A (en) 1922-11-04 1922-11-04 Improvements in or relating to manhole covers and the like and frames therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3019722A GB203230A (en) 1922-11-04 1922-11-04 Improvements in or relating to manhole covers and the like and frames therefor

Publications (1)

Publication Number Publication Date
GB203230A true GB203230A (en) 1923-09-06

Family

ID=10303806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3019722A Expired GB203230A (en) 1922-11-04 1922-11-04 Improvements in or relating to manhole covers and the like and frames therefor

Country Status (1)

Country Link
GB (1) GB203230A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442645A (en) * 1979-11-07 1984-04-17 Mero-Werke Dr.-Ing. Max Mengeringhausen Gmbh & Co. Construction panel for double floors in air conditioned rooms
EP0390767A2 (en) * 1989-03-31 1990-10-03 Ludo Debergh Airtight manhole closure device
GB2504452A (en) * 2012-05-30 2014-02-05 Paul Spencer Price Manhole cover with set back seat engaging portion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442645A (en) * 1979-11-07 1984-04-17 Mero-Werke Dr.-Ing. Max Mengeringhausen Gmbh & Co. Construction panel for double floors in air conditioned rooms
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
GB2504452A (en) * 2012-05-30 2014-02-05 Paul Spencer Price Manhole cover with set back seat engaging portion
GB2504452B (en) * 2012-05-30 2017-09-06 Spencer Price Paul Improvements in and relating to manhole covers

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