GB311865A - Improvements in and relating to manhole covers and frames - Google Patents

Improvements in and relating to manhole covers and frames

Info

Publication number
GB311865A
GB311865A GB7704/28A GB770428A GB311865A GB 311865 A GB311865 A GB 311865A GB 7704/28 A GB7704/28 A GB 7704/28A GB 770428 A GB770428 A GB 770428A GB 311865 A GB311865 A GB 311865A
Authority
GB
United Kingdom
Prior art keywords
seats
frames
relating
manhole covers
sockets
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
GB7704/28A
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.)
SYDNEY FREDERICK SEAWARD
Original Assignee
SYDNEY FREDERICK SEAWARD
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 SYDNEY FREDERICK SEAWARD filed Critical SYDNEY FREDERICK SEAWARD
Priority to GB7704/28A priority Critical patent/GB311865A/en
Publication of GB311865A publication Critical patent/GB311865A/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
    • 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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

311,865. Seaward, S. F., and Rogers, S. S. March 13, 1928. Manhole covers.-A manhole cover b supported on three seats in the frame a is formed of circular portions b<3> and radial lugs b<1>, the lugs being loosely received in sockets a<2> in the frame and being formed on the underside with seats a<4> engaging corresponding faces in the sockets. The circular portions b<3> may be rounded or bevelled as shown at b<7>, and the seats may be of the semicircular form shown.
GB7704/28A 1928-03-13 1928-03-13 Improvements in and relating to manhole covers and frames Expired GB311865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7704/28A GB311865A (en) 1928-03-13 1928-03-13 Improvements in and relating to manhole covers and frames

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7704/28A GB311865A (en) 1928-03-13 1928-03-13 Improvements in and relating to manhole covers and frames

Publications (1)

Publication Number Publication Date
GB311865A true GB311865A (en) 1929-05-23

Family

ID=9838173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7704/28A Expired GB311865A (en) 1928-03-13 1928-03-13 Improvements in and relating to manhole covers and frames

Country Status (1)

Country Link
GB (1) GB311865A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025774A (en) * 1958-05-09 1962-03-20 Brooks Products Inc Access and protective cover for valves, meters, manholes and the like
DE3623654A1 (en) * 1986-07-12 1988-01-28 Passavant Werke Manhole cover

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025774A (en) * 1958-05-09 1962-03-20 Brooks Products Inc Access and protective cover for valves, meters, manholes and the like
DE3623654A1 (en) * 1986-07-12 1988-01-28 Passavant Werke Manhole cover

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