GB733817A - Improvements in or relating to devices for the cathodic protection of metallic structures - Google Patents

Improvements in or relating to devices for the cathodic protection of metallic structures

Info

Publication number
GB733817A
GB733817A GB2320/53A GB232053A GB733817A GB 733817 A GB733817 A GB 733817A GB 2320/53 A GB2320/53 A GB 2320/53A GB 232053 A GB232053 A GB 232053A GB 733817 A GB733817 A GB 733817A
Authority
GB
United Kingdom
Prior art keywords
strips
anode
cathodic protection
bundles
magnesium alloy
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
GB2320/53A
Inventor
William Frederick Higgins
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.)
FA Hughes and Co Ltd
Original Assignee
FA Hughes and Co 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 to BE525809D priority Critical patent/BE525809A/xx
Application filed by FA Hughes and Co Ltd filed Critical FA Hughes and Co Ltd
Priority to GB2320/53A priority patent/GB733817A/en
Priority to DEH18697A priority patent/DE973861C/en
Priority to US399362A priority patent/US2756204A/en
Priority to FR1091557D priority patent/FR1091557A/en
Publication of GB733817A publication Critical patent/GB733817A/en
Expired 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/10—Electrodes characterised by the structure
    • 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/18—Means for supporting electrodes
    • 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
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
    • C23F2213/31—Immersed structures, e.g. submarine structures

Abstract

733,817. Preventing corrosion. HUGHES & CO., Ltd., F. A. Dec. 14, 1953 [Jan. 27, 1953], No. 2320/53. Class 123 (1). A sacrificial anode for the cathodic protection of ferrous structures immersed, for example, in sea water consists in one form of two bundles of magnesium alloy strips 10 each secured by a middle wrapping 11 or 12 of zinc or aluminium foil, the protruding ends of the strips being at least six inches long and of length from 6 to 36 times the width of the strip. The anode is supported from the structure by a rod 14 which is clamped between the bundles by bolts 15, 16. The anode may be used to provide a high initial polarizing current, the strips then being bent outwardly to form a structure as shown in Fig. 2, the angle between the strips, which determines the current output, being adjusted as required. If the strips are not bent apart, the anode can be used for the long term protection of the structure. In another form, the anode consists of a bundle of magnesium alloy wires welded together at one end. Specification 733,844 is referred to.
GB2320/53A 1953-01-27 1953-01-27 Improvements in or relating to devices for the cathodic protection of metallic structures Expired GB733817A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE525809D BE525809A (en) 1953-01-27
GB2320/53A GB733817A (en) 1953-01-27 1953-01-27 Improvements in or relating to devices for the cathodic protection of metallic structures
DEH18697A DE973861C (en) 1953-01-27 1953-12-15 Device for protecting iron devices immersed in aqueous electrolytes against corrosion
US399362A US2756204A (en) 1953-01-27 1953-12-21 Devices for cathodic protection of metallic structures
FR1091557D FR1091557A (en) 1953-01-27 1954-01-21 Cathode device intended to protect against corrosion of metallic structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2320/53A GB733817A (en) 1953-01-27 1953-01-27 Improvements in or relating to devices for the cathodic protection of metallic structures

Publications (1)

Publication Number Publication Date
GB733817A true GB733817A (en) 1955-07-20

Family

ID=9737479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2320/53A Expired GB733817A (en) 1953-01-27 1953-01-27 Improvements in or relating to devices for the cathodic protection of metallic structures

Country Status (5)

Country Link
US (1) US2756204A (en)
BE (1) BE525809A (en)
DE (1) DE973861C (en)
FR (1) FR1091557A (en)
GB (1) GB733817A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179582A (en) * 1961-07-26 1965-04-20 Herman S Preiser Welding attachment of anodes for cathodic protection
US3486999A (en) * 1967-11-02 1969-12-30 Leonard F Craft Apparatus for preventing scale formation in water systems
GB1568885A (en) * 1977-05-09 1980-06-11 Imi Marston Ltd Impressed current corrosion-protection anode

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190611216A (en) * 1906-05-14 1907-02-21 Donald Barns Morison Improvements in and relating to Apparatus for Preventing or Lessening the Corrosion of Condenser Tubes.
US2404031A (en) * 1943-06-18 1946-07-16 Standard Oil Dev Co Corrosion preventing electrode

Also Published As

Publication number Publication date
FR1091557A (en) 1955-04-13
BE525809A (en)
DE973861C (en) 1960-06-30
US2756204A (en) 1956-07-24

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