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GB9910295D0 - Improvements in or relating to helically wound reinforcing components for flexible tubula conduits - Google Patents

Improvements in or relating to helically wound reinforcing components for flexible tubula conduits

Info

Publication number
GB9910295D0
GB9910295D0 GB9910295A GB9910295A GB9910295D0 GB 9910295 D0 GB9910295 D0 GB 9910295D0 GB 9910295 A GB9910295 A GB 9910295A GB 9910295 A GB9910295 A GB 9910295A GB 9910295 D0 GB9910295 D0 GB 9910295D0
Authority
GB
United Kingdom
Prior art keywords
turn
sockets
projections
winding
helically wound
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.)
Granted
Application number
GB9910295A
Other versions
GB2336886A (en
GB2336886B (en
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.)
University College London
Original Assignee
University College London
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 GBGB9809453.5A external-priority patent/GB9809453D0/en
Application filed by University College London filed Critical University College London
Priority to GB9910295A priority Critical patent/GB2336886B/en
Publication of GB9910295D0 publication Critical patent/GB9910295D0/en
Publication of GB2336886A publication Critical patent/GB2336886A/en
Application granted granted Critical
Publication of GB2336886B publication Critical patent/GB2336886B/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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/14—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics
    • F16L11/16—Hoses, i.e. flexible pipes made of rigid material, e.g. metal or hard plastics wound from profiled strips or bands
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
    • F16L11/083—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire three or more layers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Flexible tubular conduits or pipes capable of withstanding relatively high pressures are reinforced by helically wound armour which is compliant in flexure, and profiled to allow each subsequent turn to interlock with the previous turn. The armour provides a locking mechanism (8,9) located in the axial direction of the tubular conduit comprising one or more projections (8) on one or both radial sides and a corresponding number of sockets (9) on the opposing radial sides, such that the projections (8) of one turn of the winding (10) engage in the sockets (9) of the next turn of the winding (10), each projection (8) having an enlarged head portion (11) connected to a body by a narrow neck portion (12), and each socket having a corresponding shape (13) to hold the projection captive in the socket, the sockets (8) and projections (9) having dimensions to allow a limited relative rotation between the adjacent turns of the winding and to resist separation, closing, and relative radial movement of the respective turns.
GB9910295A 1998-05-01 1999-05-04 Improvements in or relating to helically wound reinforcing components for flexible tubular conduits Expired - Fee Related GB2336886B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9910295A GB2336886B (en) 1998-05-01 1999-05-04 Improvements in or relating to helically wound reinforcing components for flexible tubular conduits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9809453.5A GB9809453D0 (en) 1998-05-01 1998-05-01 Improvements relating to helically wound reinforcing components for flexible tubular conduits
GB9910295A GB2336886B (en) 1998-05-01 1999-05-04 Improvements in or relating to helically wound reinforcing components for flexible tubular conduits

Publications (3)

Publication Number Publication Date
GB9910295D0 true GB9910295D0 (en) 1999-06-30
GB2336886A GB2336886A (en) 1999-11-03
GB2336886B GB2336886B (en) 2001-08-29

Family

ID=26313585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9910295A Expired - Fee Related GB2336886B (en) 1998-05-01 1999-05-04 Improvements in or relating to helically wound reinforcing components for flexible tubular conduits

Country Status (1)

Country Link
GB (1) GB2336886B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0226271D0 (en) * 2002-11-11 2002-12-18 Bhp Billiton Petroleum Pty Ltd Improvements relating to hose
GB0616054D0 (en) * 2006-08-11 2006-09-20 Bhp Billiton Petroleum Pty Ltd Improvements relating to hose
FR2940816B1 (en) * 2009-01-06 2011-02-18 Vam Drilling France TUBULAR COMPONENT FOR DRILLING TRIM AND CORRESPONDING DRILLING LINING

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU960483A1 (en) * 1979-09-12 1982-09-23 Институт Математики И Механики Ан Азсср Flexible pipe

Also Published As

Publication number Publication date
GB2336886A (en) 1999-11-03
GB2336886B (en) 2001-08-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160504