GB420461A - Improvements relating to processes for preventing rusting of ferrous metals - Google Patents

Improvements relating to processes for preventing rusting of ferrous metals

Info

Publication number
GB420461A
GB420461A GB24548/33A GB2454833A GB420461A GB 420461 A GB420461 A GB 420461A GB 24548/33 A GB24548/33 A GB 24548/33A GB 2454833 A GB2454833 A GB 2454833A GB 420461 A GB420461 A GB 420461A
Authority
GB
United Kingdom
Prior art keywords
graphite
metal
oil
processes
bath
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
GB24548/33A
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.)
Tucker J H & Co Ltd
Original Assignee
Tucker J H & 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
Application filed by Tucker J H & Co Ltd filed Critical Tucker J H & Co Ltd
Priority to GB24548/33A priority Critical patent/GB420461A/en
Publication of GB420461A publication Critical patent/GB420461A/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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

An anti-corrosive coating is formed on ferrous metal by immersing the metal first in a bath containing phosphoric acid and then in a bath of oil containing graphite in colloidal suspension. The metal may be treated in a bath containing 1/2 -1 per cent phosphoric acid, washed to remove all traces of acid, and then immersed in a colloidal suspension of graphite in oil, preferably linseed oil, the suspension containing 1 fluid ounce of graphite per gallon of oil. The graphite fills the pores in the metal and in conjunction with the phosphate coating protects the ferrous metal from corrosion. According to the Provisional Specification, colloidal suspensions of relatively inert solid substances other than graphite may be used.
GB24548/33A 1933-09-05 1933-09-05 Improvements relating to processes for preventing rusting of ferrous metals Expired GB420461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB24548/33A GB420461A (en) 1933-09-05 1933-09-05 Improvements relating to processes for preventing rusting of ferrous metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24548/33A GB420461A (en) 1933-09-05 1933-09-05 Improvements relating to processes for preventing rusting of ferrous metals

Publications (1)

Publication Number Publication Date
GB420461A true GB420461A (en) 1934-12-03

Family

ID=10213349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24548/33A Expired GB420461A (en) 1933-09-05 1933-09-05 Improvements relating to processes for preventing rusting of ferrous metals

Country Status (1)

Country Link
GB (1) GB420461A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534406A (en) * 1944-09-22 1950-12-19 Jr Harry M Bramberry Coated metal article and method of making the same
GB2271578A (en) * 1992-09-17 1994-04-20 Rieger Franz Metallveredelung Pretreatment of light metals with phosphoric acid; electroless deposition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2534406A (en) * 1944-09-22 1950-12-19 Jr Harry M Bramberry Coated metal article and method of making the same
GB2271578A (en) * 1992-09-17 1994-04-20 Rieger Franz Metallveredelung Pretreatment of light metals with phosphoric acid; electroless deposition
GB2271578B (en) * 1992-09-17 1996-09-18 Rieger Franz Metallveredelung Bath for the pre-treatment of light metals,process therefor and articles produced

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