GB2305954B - Trench covers - Google Patents

Trench covers

Info

Publication number
GB2305954B
GB2305954B GB9520296A GB9520296A GB2305954B GB 2305954 B GB2305954 B GB 2305954B GB 9520296 A GB9520296 A GB 9520296A GB 9520296 A GB9520296 A GB 9520296A GB 2305954 B GB2305954 B GB 2305954B
Authority
GB
United Kingdom
Prior art keywords
trench covers
trench
covers
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
GB9520296A
Other versions
GB9520296D0 (en
GB2305954A (en
Inventor
Roger Holroyd
Tim Peter Hoskin
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.)
British Gas PLC
Original Assignee
British Gas 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
Application filed by British Gas PLC filed Critical British Gas PLC
Priority to GB9520296A priority Critical patent/GB2305954B/en
Publication of GB9520296D0 publication Critical patent/GB9520296D0/en
Publication of GB2305954A publication Critical patent/GB2305954A/en
Application granted granted Critical
Publication of GB2305954B publication Critical patent/GB2305954B/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
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/06—Foundation trenches ditches or narrow shafts
    • E02D17/10—Covering trenches for foundations
    • 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)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sewage (AREA)
GB9520296A 1995-10-04 1995-10-04 Trench covers Expired - Fee Related GB2305954B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9520296A GB2305954B (en) 1995-10-04 1995-10-04 Trench covers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9520296A GB2305954B (en) 1995-10-04 1995-10-04 Trench covers

Publications (3)

Publication Number Publication Date
GB9520296D0 GB9520296D0 (en) 1995-12-06
GB2305954A GB2305954A (en) 1997-04-23
GB2305954B true GB2305954B (en) 2000-02-23

Family

ID=10781780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9520296A Expired - Fee Related GB2305954B (en) 1995-10-04 1995-10-04 Trench covers

Country Status (1)

Country Link
GB (1) GB2305954B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9700587D0 (en) * 1997-01-14 1997-03-05 Tarmac Uk Ltd Temporary covers for trenches and other excavations
GB2334737A (en) * 1997-10-11 1999-09-01 Gordon & Co Ltd H Trough lid connecting system
GB9723004D0 (en) * 1997-11-01 1998-01-07 Gordon & Co Ltd H Trough lid connecting system
WO2001021898A1 (en) 1999-09-17 2001-03-29 David Vincent Byrne A trench cover element
GB2374371A (en) * 2001-03-06 2002-10-16 Quantum Covers Ltd Trench cover for use with permanently accessible trenches
GB2375133B (en) * 2001-04-17 2004-09-15 David Vincent Byrne A trench cover
GB2448371B (en) * 2007-04-14 2012-03-07 Oxford Plastic Sys Ltd Trench cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249914A (en) * 1969-01-17 1971-10-13 Oswald Burgess Trench cover
GB2238815A (en) * 1989-12-04 1991-06-12 * British Gas Plc Trench cover
GB2282622A (en) * 1993-09-28 1995-04-12 Vockins Sandra Ann Cover member for bores, trenches, inspection or access chambers etc.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249914A (en) * 1969-01-17 1971-10-13 Oswald Burgess Trench cover
GB2238815A (en) * 1989-12-04 1991-06-12 * British Gas Plc Trench cover
GB2282622A (en) * 1993-09-28 1995-04-12 Vockins Sandra Ann Cover member for bores, trenches, inspection or access chambers etc.

Also Published As

Publication number Publication date
GB9520296D0 (en) 1995-12-06
GB2305954A (en) 1997-04-23

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Legal Events

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

Effective date: 20031004