GB2232179B - An access cover - Google Patents

An access cover

Info

Publication number
GB2232179B
GB2232179B GB8911800A GB8911800A GB2232179B GB 2232179 B GB2232179 B GB 2232179B GB 8911800 A GB8911800 A GB 8911800A GB 8911800 A GB8911800 A GB 8911800A GB 2232179 B GB2232179 B GB 2232179B
Authority
GB
United Kingdom
Prior art keywords
access cover
access
cover
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 - Fee Related
Application number
GB8911800A
Other versions
GB8911800D0 (en
GB2232179A (en
Inventor
Francis Sidney Clark
Ronald Francis Clark
Anthony Burgess
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.)
CLARKSTEEL Ltd
Original Assignee
CLARKSTEEL Ltd
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 CLARKSTEEL Ltd filed Critical CLARKSTEEL Ltd
Priority to GB8911800A priority Critical patent/GB2232179B/en
Publication of GB8911800D0 publication Critical patent/GB8911800D0/en
Publication of GB2232179A publication Critical patent/GB2232179A/en
Application granted granted Critical
Publication of GB2232179B publication Critical patent/GB2232179B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Sewage (AREA)
GB8911800A 1989-05-23 1989-05-23 An access cover Expired - Fee Related GB2232179B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8911800A GB2232179B (en) 1989-05-23 1989-05-23 An access cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8911800A GB2232179B (en) 1989-05-23 1989-05-23 An access cover

Publications (3)

Publication Number Publication Date
GB8911800D0 GB8911800D0 (en) 1989-07-12
GB2232179A GB2232179A (en) 1990-12-05
GB2232179B true GB2232179B (en) 1993-12-22

Family

ID=10657193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8911800A Expired - Fee Related GB2232179B (en) 1989-05-23 1989-05-23 An access cover

Country Status (1)

Country Link
GB (1) GB2232179B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2878663B2 (en) * 1996-07-29 1999-04-05 日之出水道機器株式会社 Lid for underground structures
GB2317129B (en) * 1996-09-17 1999-04-07 Francis Sidney Clark Access cover
JP4093454B2 (en) * 2002-01-09 2008-06-04 新キャタピラー三菱株式会社 Anti-slip material
DE102008048991B4 (en) * 2008-09-25 2011-01-27 Lti Metalltechnik Gmbh Tear plate made of metal with a variety of elevated tear patterns to improve slip resistance, process and Einzelhubwerkzeug for the production of tear sheets
WO2016176746A1 (en) * 2015-05-07 2016-11-10 Cta Australia Pty Ltd Manufacture of a tactile indicator plate or tile
EP3447868A1 (en) 2015-08-28 2019-02-27 Niedax GmbH & Co. KG Cable channel with integrated fixing points with predetermined breaking points and method for producing such a cable channel
US11466423B2 (en) * 2019-05-31 2022-10-11 Hubbell Incorporated Utility cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279413A (en) * 1926-10-19 1928-10-11 Ver Stahlwerke Ag Improvements in or relating to cover plates the tread surfaces of which are designedto prevent persons from slipping when walking on them
GB1392957A (en) * 1972-07-21 1975-05-07 Jones Son Oswestry Ltd Frederi Covers for manholes pits catches and the like
GB2150619A (en) * 1983-11-17 1985-07-03 Clarksteel Ltd An access cover

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279413A (en) * 1926-10-19 1928-10-11 Ver Stahlwerke Ag Improvements in or relating to cover plates the tread surfaces of which are designedto prevent persons from slipping when walking on them
GB1392957A (en) * 1972-07-21 1975-05-07 Jones Son Oswestry Ltd Frederi Covers for manholes pits catches and the like
GB2150619A (en) * 1983-11-17 1985-07-03 Clarksteel Ltd An access cover

Also Published As

Publication number Publication date
GB8911800D0 (en) 1989-07-12
GB2232179A (en) 1990-12-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010523