GB2335963B - Inflatable stopper - Google Patents

Inflatable stopper

Info

Publication number
GB2335963B
GB2335963B GB9824909A GB9824909A GB2335963B GB 2335963 B GB2335963 B GB 2335963B GB 9824909 A GB9824909 A GB 9824909A GB 9824909 A GB9824909 A GB 9824909A GB 2335963 B GB2335963 B GB 2335963B
Authority
GB
United Kingdom
Prior art keywords
inflatable stopper
inflatable
stopper
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
GB9824909A
Other versions
GB9824909D0 (en
GB2335963A (en
Inventor
Kenneth Samuel Hemingway
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.)
International Pipeline Products Ltd
Original Assignee
International Pipeline Products 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 International Pipeline Products Ltd filed Critical International Pipeline Products Ltd
Publication of GB9824909D0 publication Critical patent/GB9824909D0/en
Publication of GB2335963A publication Critical patent/GB2335963A/en
Application granted granted Critical
Publication of GB2335963B publication Critical patent/GB2335963B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16L55/132—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 the closure device being a plug fixed by radially deforming the packing
    • F16L55/134—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 the closure device being a plug fixed by radially deforming the packing by means of an inflatable packing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
GB9824909A 1998-03-31 1998-11-16 Inflatable stopper Expired - Lifetime GB2335963B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9806904.0A GB9806904D0 (en) 1998-03-31 1998-03-31 Inflatable stopper

Publications (3)

Publication Number Publication Date
GB9824909D0 GB9824909D0 (en) 1999-01-06
GB2335963A GB2335963A (en) 1999-10-06
GB2335963B true GB2335963B (en) 2002-11-27

Family

ID=10829616

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9806904.0A Ceased GB9806904D0 (en) 1998-03-31 1998-03-31 Inflatable stopper
GB9824909A Expired - Lifetime GB2335963B (en) 1998-03-31 1998-11-16 Inflatable stopper

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9806904.0A Ceased GB9806904D0 (en) 1998-03-31 1998-03-31 Inflatable stopper

Country Status (1)

Country Link
GB (2) GB9806904D0 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342336A (en) * 1979-10-03 1982-08-03 Satterthwaite J Glenn Double-acting inflatable seal
US4436120A (en) * 1981-06-23 1984-03-13 Compagnie Francaise Des Petroles Inflatable internal pipe obturator with hardenable core
US5353842A (en) * 1992-02-20 1994-10-11 Lundman Philip L Inflatable plug for use in plugging a large diameter pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342336A (en) * 1979-10-03 1982-08-03 Satterthwaite J Glenn Double-acting inflatable seal
US4436120A (en) * 1981-06-23 1984-03-13 Compagnie Francaise Des Petroles Inflatable internal pipe obturator with hardenable core
US5353842A (en) * 1992-02-20 1994-10-11 Lundman Philip L Inflatable plug for use in plugging a large diameter pipe

Also Published As

Publication number Publication date
GB9806904D0 (en) 1998-05-27
GB9824909D0 (en) 1999-01-06
GB2335963A (en) 1999-10-06

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181115