GB2331539B - Access covers - Google Patents

Access covers

Info

Publication number
GB2331539B
GB2331539B GB9724451A GB9724451A GB2331539B GB 2331539 B GB2331539 B GB 2331539B GB 9724451 A GB9724451 A GB 9724451A GB 9724451 A GB9724451 A GB 9724451A GB 2331539 B GB2331539 B GB 2331539B
Authority
GB
United Kingdom
Prior art keywords
access covers
covers
access
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
GB9724451A
Other versions
GB2331539A9 (en
GB9724451D0 (en
GB2331539A (en
Inventor
John Brown
Iain Anthony Campbell
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
Publication of GB2331539A9 publication Critical patent/GB2331539A9/en
Application filed by Individual filed Critical Individual
Priority to GB9724451A priority Critical patent/GB2331539B/en
Publication of GB9724451D0 publication Critical patent/GB9724451D0/en
Priority to GBGB9825487.3A priority patent/GB9825487D0/en
Publication of GB2331539A publication Critical patent/GB2331539A/en
Application granted granted Critical
Publication of GB2331539B publication Critical patent/GB2331539B/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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0007—Production methods using a mold
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material
    • 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
    • E02D2300/0006—Plastics
    • E02D2300/0014—PU

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)
  • Connector Housings Or Holding Contact Members (AREA)
GB9724451A 1997-11-20 1997-11-20 Access covers Expired - Fee Related GB2331539B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9724451A GB2331539B (en) 1997-11-20 1997-11-20 Access covers
GBGB9825487.3A GB9825487D0 (en) 1997-11-20 1998-11-23 Access covers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9724451A GB2331539B (en) 1997-11-20 1997-11-20 Access covers

Publications (4)

Publication Number Publication Date
GB2331539A9 GB2331539A9 (en)
GB9724451D0 GB9724451D0 (en) 1998-01-14
GB2331539A GB2331539A (en) 1999-05-26
GB2331539B true GB2331539B (en) 2002-03-06

Family

ID=10822308

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9724451A Expired - Fee Related GB2331539B (en) 1997-11-20 1997-11-20 Access covers

Country Status (1)

Country Link
GB (1) GB2331539B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381286A (en) * 2001-10-26 2003-04-30 Marie Graham Plug for inserting in holes or recesses in manhole covers, access hatches etc.
GB2441332A (en) * 2006-04-13 2008-03-05 Structural Science Composites Access cover
WO2024029010A1 (en) * 2022-08-03 2024-02-08 日本電信電話株式会社 Lid for underground structure, gas exhaust system, and method for constructing gas exhaust system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1200263A (en) * 1967-04-18 1970-07-29 Skf Svenska Kullagerfab Ab Improvements in or relating to axle-boxes with apertures sealed by resilient stoppers
GB1400786A (en) * 1972-09-15 1975-07-23 Miles Redfern Ltd Grommets
US4597692A (en) * 1984-07-12 1986-07-01 Clearwater Technologies, Inc. Rehabilitated manhole cover
GB2170846A (en) * 1985-02-07 1986-08-13 Duct & Access Covers Ltd Seal for the lifting eye of an access cover unit
EP0665338A1 (en) * 1994-01-26 1995-08-02 GRIDIRON SpA Cover for drainage pits and the like
GB2308858A (en) * 1995-12-30 1997-07-09 Richard James Vince Fillingham Manhole cover keyway plug

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1200263A (en) * 1967-04-18 1970-07-29 Skf Svenska Kullagerfab Ab Improvements in or relating to axle-boxes with apertures sealed by resilient stoppers
GB1400786A (en) * 1972-09-15 1975-07-23 Miles Redfern Ltd Grommets
US4597692A (en) * 1984-07-12 1986-07-01 Clearwater Technologies, Inc. Rehabilitated manhole cover
GB2170846A (en) * 1985-02-07 1986-08-13 Duct & Access Covers Ltd Seal for the lifting eye of an access cover unit
EP0665338A1 (en) * 1994-01-26 1995-08-02 GRIDIRON SpA Cover for drainage pits and the like
GB2308858A (en) * 1995-12-30 1997-07-09 Richard James Vince Fillingham Manhole cover keyway plug

Also Published As

Publication number Publication date
GB2331539A9 (en)
GB9724451D0 (en) 1998-01-14
GB2331539A (en) 1999-05-26

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Legal Events

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

Effective date: 20031120