GB203369A - Improvements in manhole covers and the like - Google Patents

Improvements in manhole covers and the like

Info

Publication number
GB203369A
GB203369A GB1298722A GB1298722A GB203369A GB 203369 A GB203369 A GB 203369A GB 1298722 A GB1298722 A GB 1298722A GB 1298722 A GB1298722 A GB 1298722A GB 203369 A GB203369 A GB 203369A
Authority
GB
United Kingdom
Prior art keywords
manhole covers
drains
class
adams
grooved
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
GB1298722A
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 GB1298722A priority Critical patent/GB203369A/en
Publication of GB203369A publication Critical patent/GB203369A/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)

Abstract

203,369. Adams, S. H. Feb. 7, 1923. Road-surface boxes. - A manhole frame b is provided with three continuous circumferential seats for the cover a, one seat c<1> being grooved for packing, and the other two d, e being horizontal and flat. Specifications 21654/93, [Class 33, Drains &c.], 6171/98, and 10994/99, [Class 33, Drains &c.], are referred to.
GB1298722A 1923-02-07 1923-02-07 Improvements in manhole covers and the like Expired GB203369A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1298722A GB203369A (en) 1923-02-07 1923-02-07 Improvements in manhole covers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1298722A GB203369A (en) 1923-02-07 1923-02-07 Improvements in manhole covers and the like

Publications (1)

Publication Number Publication Date
GB203369A true GB203369A (en) 1923-09-13

Family

ID=10014738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1298722A Expired GB203369A (en) 1923-02-07 1923-02-07 Improvements in manhole covers and the like

Country Status (1)

Country Link
GB (1) GB203369A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975870A (en) * 1974-09-05 1976-08-24 Hiromitsu Naka Floor hatch
GB2129469A (en) * 1982-01-20 1984-05-16 Selflevel Covers Manhole cover frames
GB2291452A (en) * 1994-07-16 1996-01-24 Glynwed Foundry Prod Ltd Cover and frame assembly
WO2019029955A1 (en) * 2017-08-10 2019-02-14 Basell Poliolefine Italia S.R.L. Polymerization unit with improved manhole

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975870A (en) * 1974-09-05 1976-08-24 Hiromitsu Naka Floor hatch
GB2129469A (en) * 1982-01-20 1984-05-16 Selflevel Covers Manhole cover frames
GB2291452A (en) * 1994-07-16 1996-01-24 Glynwed Foundry Prod Ltd Cover and frame assembly
WO2019029955A1 (en) * 2017-08-10 2019-02-14 Basell Poliolefine Italia S.R.L. Polymerization unit with improved manhole
US11084016B2 (en) 2017-08-10 2021-08-10 Basell Poliolefine Italia S.R.L. Polymerization unit with improved manhole

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