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GB2365462B - Improvements relating to ice penetrating devices - Google Patents

Improvements relating to ice penetrating devices

Info

Publication number
GB2365462B
GB2365462B GB9109560A GB9109560A GB2365462B GB 2365462 B GB2365462 B GB 2365462B GB 9109560 A GB9109560 A GB 9109560A GB 9109560 A GB9109560 A GB 9109560A GB 2365462 B GB2365462 B GB 2365462B
Authority
GB
United Kingdom
Prior art keywords
improvements relating
penetrating devices
ice penetrating
ice
devices
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
GB9109560A
Other versions
GB2365462A (en
GB9109560D0 (en
Inventor
Christopher John Collister
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.)
Thales Underwater Systems Ltd
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
Thales Underwater Systems 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 GEC Marconi Ltd, Marconi Co Ltd, Thales Underwater Systems Ltd filed Critical GEC Marconi Ltd
Publication of GB9109560D0 publication Critical patent/GB9109560D0/en
Publication of GB2365462A publication Critical patent/GB2365462A/en
Application granted granted Critical
Publication of GB2365462B publication Critical patent/GB2365462B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00Buoys
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/008Drilling ice or a formation covered by ice
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/14Drilling by use of heat, e.g. flame drilling
    • E21B7/146Thermal lances
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00Signalling devices
    • B63B2201/02Audible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00Signalling devices
    • B63B2201/16Radio
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2201/00Signalling devices
    • B63B2201/20Antenna or mast
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B2211/00Applications
    • B63B2211/06Operation in ice-infested waters

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
GB9109560A 1990-06-19 1991-05-09 Improvements relating to ice penetrating devices Expired - Lifetime GB2365462B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9013661.5A GB9013661D0 (en) 1990-06-19 1990-06-19 Improvements relating to ice penetrating devices

Publications (3)

Publication Number Publication Date
GB9109560D0 GB9109560D0 (en) 2001-10-31
GB2365462A GB2365462A (en) 2002-02-20
GB2365462B true GB2365462B (en) 2002-05-29

Family

ID=10677857

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9013661.5A Ceased GB9013661D0 (en) 1990-06-19 1990-06-19 Improvements relating to ice penetrating devices
GB9109560A Expired - Lifetime GB2365462B (en) 1990-06-19 1991-05-09 Improvements relating to ice penetrating devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9013661.5A Ceased GB9013661D0 (en) 1990-06-19 1990-06-19 Improvements relating to ice penetrating devices

Country Status (1)

Country Link
GB (2) GB9013661D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2737151C1 (en) * 2020-03-24 2020-11-25 Григорий Олегович Жданов Radio beacon for transmitting distress signals from under ice
CN119611661B (en) * 2025-02-17 2025-05-23 青岛哈尔滨工程大学创新发展中心 An underwater ice-penetrating buoy based on chemical energy thermal ice melting

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1315921A (en) * 1971-01-07 1973-05-09 France Armed Forces Device for forming a hole in ice
US4651834A (en) * 1985-08-09 1987-03-24 Trw Inc. Ice penetrating method and apparatus
US4923019A (en) * 1989-02-28 1990-05-08 Arctic Systems Limited Thermochemical penetrator for ice and frozen soils

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1315921A (en) * 1971-01-07 1973-05-09 France Armed Forces Device for forming a hole in ice
US4651834A (en) * 1985-08-09 1987-03-24 Trw Inc. Ice penetrating method and apparatus
US4923019A (en) * 1989-02-28 1990-05-08 Arctic Systems Limited Thermochemical penetrator for ice and frozen soils

Also Published As

Publication number Publication date
GB2365462A (en) 2002-02-20
GB9109560D0 (en) 2001-10-31
GB9013661D0 (en) 2001-10-31

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application
PE20 Patent expired after termination of 20 years

Expiry date: 20110508