GB1503024A - Gas mains treatment - Google Patents

Gas mains treatment

Info

Publication number
GB1503024A
GB1503024A GB4496975A GB4496975A GB1503024A GB 1503024 A GB1503024 A GB 1503024A GB 4496975 A GB4496975 A GB 4496975A GB 4496975 A GB4496975 A GB 4496975A GB 1503024 A GB1503024 A GB 1503024A
Authority
GB
United Kingdom
Prior art keywords
treatment
gas mains
gas
oct
mains
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
Application number
GB4496975A
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.)
British Gas Corp
Original Assignee
British Gas Corp
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 British Gas Corp filed Critical British Gas Corp
Priority to GB4496975A priority Critical patent/GB1503024A/en
Publication of GB1503024A publication Critical patent/GB1503024A/en
Expired 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
    • F16L55/164—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing fluid being introduced in the pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Material Composition (AREA)

Abstract

1503024 Sealing leaks in pipes BRITISH GAS CORP 29 Oct 1976 [30 Oct 1975] 44969/75 Heading F2P [Also in Division B1] Monoethylene or diethylene glycol is injected as a fog into gas mains to swell seals.
GB4496975A 1976-10-29 1976-10-29 Gas mains treatment Expired GB1503024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4496975A GB1503024A (en) 1976-10-29 1976-10-29 Gas mains treatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4496975A GB1503024A (en) 1976-10-29 1976-10-29 Gas mains treatment

Publications (1)

Publication Number Publication Date
GB1503024A true GB1503024A (en) 1978-03-08

Family

ID=10435412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4496975A Expired GB1503024A (en) 1976-10-29 1976-10-29 Gas mains treatment

Country Status (1)

Country Link
GB (1) GB1503024A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526123A1 (en) * 1982-04-30 1983-11-04 Hakko Co PROCESS FOR INTERIORLY SHAPING PIPES OF A GROUNDWATER INSTALLATION
GB2195416A (en) * 1986-09-13 1988-04-07 Btr Plc Internal surface treatment
GB2199386A (en) * 1986-12-23 1988-07-06 British Gas Plc Sealing pipe joints
DE3842065A1 (en) * 1988-12-14 1990-06-21 Dornier Gmbh Process and apparatus for dynamic gas mixing
GB2554640A (en) * 2016-09-28 2018-04-11 Southern Gas Networks Plc Sealing method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2526123A1 (en) * 1982-04-30 1983-11-04 Hakko Co PROCESS FOR INTERIORLY SHAPING PIPES OF A GROUNDWATER INSTALLATION
GB2123516A (en) * 1982-04-30 1984-02-01 Hakko Co Lining old underground pipes
GB2195416A (en) * 1986-09-13 1988-04-07 Btr Plc Internal surface treatment
GB2199386A (en) * 1986-12-23 1988-07-06 British Gas Plc Sealing pipe joints
GB2199386B (en) * 1986-12-23 1991-01-02 British Gas Plc Sealing a pipe joint
DE3842065A1 (en) * 1988-12-14 1990-06-21 Dornier Gmbh Process and apparatus for dynamic gas mixing
GB2554640A (en) * 2016-09-28 2018-04-11 Southern Gas Networks Plc Sealing method
GB2554640B (en) * 2016-09-28 2022-03-30 Southern Gas Networks Plc Sealing method

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19961028