GB9116953D0 - Sealing of pipes - Google Patents

Sealing of pipes

Info

Publication number
GB9116953D0
GB9116953D0 GB919116953A GB9116953A GB9116953D0 GB 9116953 D0 GB9116953 D0 GB 9116953D0 GB 919116953 A GB919116953 A GB 919116953A GB 9116953 A GB9116953 A GB 9116953A GB 9116953 D0 GB9116953 D0 GB 9116953D0
Authority
GB
United Kingdom
Prior art keywords
pipes
sealing
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
GB919116953A
Other versions
GB2247062A (en
GB2247062B (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.)
ALH Systems Ltd
Original Assignee
ALH 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
Priority claimed from GB909017232A external-priority patent/GB9017232D0/en
Priority claimed from GB919110105A external-priority patent/GB9110105D0/en
Application filed by ALH Systems Ltd filed Critical ALH Systems Ltd
Publication of GB9116953D0 publication Critical patent/GB9116953D0/en
Publication of GB2247062A publication Critical patent/GB2247062A/en
Application granted granted Critical
Publication of GB2247062B publication Critical patent/GB2247062B/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
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
GB9116953A 1990-08-07 1991-08-06 Sealing of pipes Expired - Fee Related GB2247062B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909017232A GB9017232D0 (en) 1990-08-07 1990-08-07 Sealing of pipes
GB919110105A GB9110105D0 (en) 1991-05-10 1991-05-10 Sealing of pipes

Publications (3)

Publication Number Publication Date
GB9116953D0 true GB9116953D0 (en) 1991-09-18
GB2247062A GB2247062A (en) 1992-02-19
GB2247062B GB2247062B (en) 1994-05-18

Family

ID=26297465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9116953A Expired - Fee Related GB2247062B (en) 1990-08-07 1991-08-06 Sealing of pipes

Country Status (1)

Country Link
GB (1) GB2247062B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9017232D0 (en) * 1990-08-07 1990-09-19 Alh Syst Ltd Sealing of pipes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606913A (en) * 1968-12-13 1971-09-21 Inst Gas Technology Apparatus for internally sealing pipes
GB1482200A (en) * 1974-11-19 1977-08-10 British Gas Corp Means for treating the inside of pipes under pressure
CH617854A5 (en) * 1977-02-21 1980-06-30 Despro Ag Disinfecting carpet
GB8524637D0 (en) * 1985-10-05 1985-11-06 Edgealpha Ltd Remote controlled sealing/welding equipment
GB8807301D0 (en) * 1988-03-26 1988-04-27 Philpot Electronics Ltd Detector
GB2223551A (en) * 1988-10-04 1990-04-11 British Gas Plc Repairing pipe joints
JP2609149B2 (en) * 1989-05-16 1997-05-14 大阪瓦斯株式会社 Live pipe repair equipment for existing gas pipe joints

Also Published As

Publication number Publication date
GB2247062A (en) 1992-02-19
GB2247062B (en) 1994-05-18

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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: 20090806