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GB2335220B - Access cover and frame - Google Patents

Access cover and frame

Info

Publication number
GB2335220B
GB2335220B GB9903407A GB9903407A GB2335220B GB 2335220 B GB2335220 B GB 2335220B GB 9903407 A GB9903407 A GB 9903407A GB 9903407 A GB9903407 A GB 9903407A GB 2335220 B GB2335220 B GB 2335220B
Authority
GB
United Kingdom
Prior art keywords
frame
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 - Lifetime
Application number
GB9903407A
Other versions
GB9903407D0 (en
GB2335220A (en
Inventor
Roger Ellis Brigham
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.)
Aco Technologies PLC
Original Assignee
Aco Technologies PLC
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
Priority claimed from GBGB9805314.3A external-priority patent/GB9805314D0/en
Application filed by Aco Technologies PLC filed Critical Aco Technologies PLC
Priority to GB9903407A priority Critical patent/GB2335220B/en
Publication of GB9903407D0 publication Critical patent/GB9903407D0/en
Publication of GB2335220A publication Critical patent/GB2335220A/en
Application granted granted Critical
Publication of GB2335220B publication Critical patent/GB2335220B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0006—Plastics
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0004—Synthetics
    • E02D2300/0018—Cement used as binder
    • E02D2300/002—Concrete
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron
    • E02D2300/0032—Steel; Iron in sheet form, i.e. bent or deformed plate-material

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)
GB9903407A 1998-03-12 1999-02-15 Access cover and frame Expired - Lifetime GB2335220B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9903407A GB2335220B (en) 1998-03-12 1999-02-15 Access cover and frame

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9805314.3A GB9805314D0 (en) 1998-03-12 1998-03-12 Access cover and frame
GB9903407A GB2335220B (en) 1998-03-12 1999-02-15 Access cover and frame

Publications (3)

Publication Number Publication Date
GB9903407D0 GB9903407D0 (en) 1999-04-07
GB2335220A GB2335220A (en) 1999-09-15
GB2335220B true GB2335220B (en) 2000-06-07

Family

ID=26313275

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9903407A Expired - Lifetime GB2335220B (en) 1998-03-12 1999-02-15 Access cover and frame

Country Status (1)

Country Link
GB (1) GB2335220B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368604B (en) * 2000-11-04 2004-12-01 C I S Ground surface access assemblies

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB559055A (en) * 1942-06-19 1944-02-02 Broad & Company Ltd Improvements in or relating to manhole covers
GB2085796A (en) * 1980-10-27 1982-05-06 Dover Engineering Works The Lt Manufacturing manhole cover frames

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB559055A (en) * 1942-06-19 1944-02-02 Broad & Company Ltd Improvements in or relating to manhole covers
GB2085796A (en) * 1980-10-27 1982-05-06 Dover Engineering Works The Lt Manufacturing manhole cover frames

Also Published As

Publication number Publication date
GB9903407D0 (en) 1999-04-07
GB2335220A (en) 1999-09-15

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190214