GB2212514B - Cathodic protection of subterranean pipes - Google Patents

Cathodic protection of subterranean pipes

Info

Publication number
GB2212514B
GB2212514B GB8727078A GB8727078A GB2212514B GB 2212514 B GB2212514 B GB 2212514B GB 8727078 A GB8727078 A GB 8727078A GB 8727078 A GB8727078 A GB 8727078A GB 2212514 B GB2212514 B GB 2212514B
Authority
GB
United Kingdom
Prior art keywords
cathodic protection
subterranean pipes
subterranean
pipes
cathodic
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 - Fee Related
Application number
GB8727078A
Other versions
GB8727078D0 (en
GB2212514A (en
Inventor
Stephen Roy Willis
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.)
SEV TRENT WATER AUTHORITY
Severn Trent Water Ltd
Original Assignee
SEV TRENT WATER AUTHORITY
Severn Trent Water 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 SEV TRENT WATER AUTHORITY, Severn Trent Water Ltd filed Critical SEV TRENT WATER AUTHORITY
Priority to GB8727078A priority Critical patent/GB2212514B/en
Publication of GB8727078D0 publication Critical patent/GB8727078D0/en
Priority to EP89305190A priority patent/EP0399111A1/en
Publication of GB2212514A publication Critical patent/GB2212514A/en
Application granted granted Critical
Publication of GB2212514B publication Critical patent/GB2212514B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
GB8727078A 1987-11-19 1987-11-19 Cathodic protection of subterranean pipes Expired - Fee Related GB2212514B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8727078A GB2212514B (en) 1987-11-19 1987-11-19 Cathodic protection of subterranean pipes
EP89305190A EP0399111A1 (en) 1987-11-19 1989-05-23 Cathodic protection of subterranean pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8727078A GB2212514B (en) 1987-11-19 1987-11-19 Cathodic protection of subterranean pipes

Publications (3)

Publication Number Publication Date
GB8727078D0 GB8727078D0 (en) 1987-12-23
GB2212514A GB2212514A (en) 1989-07-26
GB2212514B true GB2212514B (en) 1992-07-08

Family

ID=10627203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8727078A Expired - Fee Related GB2212514B (en) 1987-11-19 1987-11-19 Cathodic protection of subterranean pipes

Country Status (2)

Country Link
EP (1) EP0399111A1 (en)
GB (1) GB2212514B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4332922A1 (en) * 1993-09-28 1995-03-30 Kloeckner Humboldt Deutz Ag Two-high roller machine and process for the pressure comminution of granular moist material
GB9403482D0 (en) * 1994-02-24 1994-04-13 Eip Metals Limited Method of securing a device for inhititing scale production by galvanic action to a pipe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869361A (en) * 1972-12-26 1975-03-04 Trw Inc Method for making an electrically-conductive connection specifically for underground lines
GB2185916A (en) * 1986-01-30 1987-08-05 Water Res Centre Method of tapping subterranean pipes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869361A (en) * 1972-12-26 1975-03-04 Trw Inc Method for making an electrically-conductive connection specifically for underground lines
GB2185916A (en) * 1986-01-30 1987-08-05 Water Res Centre Method of tapping subterranean pipes
EP0235917A1 (en) * 1986-01-30 1987-09-09 The Thames Water Authority Tapping subterranean pipes

Also Published As

Publication number Publication date
EP0399111A1 (en) 1990-11-28
GB8727078D0 (en) 1987-12-23
GB2212514A (en) 1989-07-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981119