GB554734A - Improvements relating to the coating of ferrous surfaces - Google Patents

Improvements relating to the coating of ferrous surfaces

Info

Publication number
GB554734A
GB554734A GB138242A GB138242A GB554734A GB 554734 A GB554734 A GB 554734A GB 138242 A GB138242 A GB 138242A GB 138242 A GB138242 A GB 138242A GB 554734 A GB554734 A GB 554734A
Authority
GB
United Kingdom
Prior art keywords
coating
phosphate coating
metal
articles
improvements relating
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
GB138242A
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.)
Parker Rust Proof Co
Original Assignee
Parker Rust Proof Co
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 Parker Rust Proof Co filed Critical Parker Rust Proof Co
Priority to GB138242A priority Critical patent/GB554734A/en
Publication of GB554734A publication Critical patent/GB554734A/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
    • C23C22/78—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces

Landscapes

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

Abstract

554,734. Modifying metallic surfaces. PYRENE CO., Ltd., (Parker Rust-Proof Co.). Feb. 2, 1942, No. 1382. [Class 82 (ii)] [Also in Group XXXVI] Ferrous articles, for example iron and steel sheets, are rendered resistant to corrosion by first coating them electrolytically with a zinc layer not more than 0.0001 inch thick and then forming thereover by chemical reaction a thin continuous fine-grained phosphate coating, not exceeding 1. 5 grams weight per square yard of surface, the plated articles preferably being passed between moistened india-rubber or like rolls immediately before or at the beginning of the coating process. The phosphate coating after baking is preferably rinsed in a dilute solution containing hexavalent chromium, i.e. chromic acid or a dichromate of metal other than an alkali metal. Specification 534,852 is referred to.
GB138242A 1942-02-02 1942-02-02 Improvements relating to the coating of ferrous surfaces Expired GB554734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB138242A GB554734A (en) 1942-02-02 1942-02-02 Improvements relating to the coating of ferrous surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB138242A GB554734A (en) 1942-02-02 1942-02-02 Improvements relating to the coating of ferrous surfaces

Publications (1)

Publication Number Publication Date
GB554734A true GB554734A (en) 1943-07-16

Family

ID=9721041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB138242A Expired GB554734A (en) 1942-02-02 1942-02-02 Improvements relating to the coating of ferrous surfaces

Country Status (1)

Country Link
GB (1) GB554734A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916018B1 (en) * 1970-09-10 1974-04-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4916018B1 (en) * 1970-09-10 1974-04-19

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