GB2275966B - Security device - Google Patents

Security device

Info

Publication number
GB2275966B
GB2275966B GB9404389A GB9404389A GB2275966B GB 2275966 B GB2275966 B GB 2275966B GB 9404389 A GB9404389 A GB 9404389A GB 9404389 A GB9404389 A GB 9404389A GB 2275966 B GB2275966 B GB 2275966B
Authority
GB
United Kingdom
Prior art keywords
security device
security
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
GB9404389A
Other versions
GB2275966A (en
GB9404389D0 (en
Inventor
Alan George Davy
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.)
PIODEN CONTROLS Ltd
Original Assignee
PIODEN CONTROLS 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 PIODEN CONTROLS Ltd filed Critical PIODEN CONTROLS Ltd
Publication of GB9404389D0 publication Critical patent/GB9404389D0/en
Publication of GB2275966A publication Critical patent/GB2275966A/en
Application granted granted Critical
Publication of GB2275966B publication Critical patent/GB2275966B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
    • F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
    • 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
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E03B9/08—Underground hydrants
    • E03B9/10—Protective plates or covers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Supports For Pipes And Cables (AREA)
GB9404389A 1993-03-08 1994-03-07 Security device Expired - Fee Related GB2275966B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939304649A GB9304649D0 (en) 1993-03-08 1993-03-08 Security device

Publications (3)

Publication Number Publication Date
GB9404389D0 GB9404389D0 (en) 1994-04-20
GB2275966A GB2275966A (en) 1994-09-14
GB2275966B true GB2275966B (en) 1995-09-13

Family

ID=10731632

Family Applications (2)

Application Number Title Priority Date Filing Date
GB939304649A Pending GB9304649D0 (en) 1993-03-08 1993-03-08 Security device
GB9404389A Expired - Fee Related GB2275966B (en) 1993-03-08 1994-03-07 Security device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB939304649A Pending GB9304649D0 (en) 1993-03-08 1993-03-08 Security device

Country Status (1)

Country Link
GB (2) GB9304649D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2283049A (en) * 1993-10-05 1995-04-26 Shaun Ronald Yearsley Pipe safety guard
WO2000026481A1 (en) * 1998-11-03 2000-05-11 Magnus Holdings Group Limited A safety device for a well
EP1688657B1 (en) * 2003-10-31 2012-06-20 Waterworks Technology Development Organization Co., Ltd. Pipe line-closing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101154A (en) * 1975-10-21 1978-07-18 Rune Kagstrom Locking device for well covers and the like

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101154A (en) * 1975-10-21 1978-07-18 Rune Kagstrom Locking device for well covers and the like

Also Published As

Publication number Publication date
GB9304649D0 (en) 1993-04-28
GB2275966A (en) 1994-09-14
GB9404389D0 (en) 1994-04-20

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Legal Events

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

Effective date: 19990307