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FR2236013A1 - Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material - Google Patents

Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material

Info

Publication number
FR2236013A1
FR2236013A1 FR7324886A FR7324886A FR2236013A1 FR 2236013 A1 FR2236013 A1 FR 2236013A1 FR 7324886 A FR7324886 A FR 7324886A FR 7324886 A FR7324886 A FR 7324886A FR 2236013 A1 FR2236013 A1 FR 2236013A1
Authority
FR
France
Prior art keywords
seeding
treating
sheet metal
powdered material
molten coating
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.)
Withdrawn
Application number
FR7324886A
Other languages
French (fr)
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.)
Heurtey Metallurgie SA
Original Assignee
Heurtey Metallurgie SA
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 Heurtey Metallurgie SA filed Critical Heurtey Metallurgie SA
Priority to FR7324886A priority Critical patent/FR2236013A1/en
Priority to LU70393A priority patent/LU70393A1/xx
Priority to BE6044655A priority patent/BE816931A/en
Publication of FR2236013A1 publication Critical patent/FR2236013A1/en
Withdrawn legal-status Critical Current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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/265—After-treatment by applying solid particles to the molten coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

The pulverulent solid substance (I) is projected onto the still liq. coating in a strip galvanizing line. (I) promotes the formation form of uniformly distributed small crystals in the coating and is e.g. 20 mu Zn powder. Alternatively a powdered ammonium salt such as the sulphate or bicarbonate may be used. A closed circuit for the powder addn. is pref. used allowing recirculation of excess powder.
FR7324886A 1973-07-06 1973-07-06 Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material Withdrawn FR2236013A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7324886A FR2236013A1 (en) 1973-07-06 1973-07-06 Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material
LU70393A LU70393A1 (en) 1973-07-06 1974-06-25
BE6044655A BE816931A (en) 1973-07-06 1974-06-26 PROCESS AND APPARATUS FOR TREATING GALVANIZED SHEET SURFACES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7324886A FR2236013A1 (en) 1973-07-06 1973-07-06 Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material

Publications (1)

Publication Number Publication Date
FR2236013A1 true FR2236013A1 (en) 1975-01-31

Family

ID=9122199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7324886A Withdrawn FR2236013A1 (en) 1973-07-06 1973-07-06 Treating galvanised coatings on sheet metal - to give semi- brilliant appearance by seeding molten coating with powdered material

Country Status (3)

Country Link
BE (1) BE816931A (en)
FR (1) FR2236013A1 (en)
LU (1) LU70393A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0166654A1 (en) * 1984-06-22 1986-01-02 UNION SIDERURGIQUE DU NORD ET DE L'EST DE LA FRANCE par abréviation "USINOR" Method and apparatus for optimizing the reduction of the size of spangles on a galvanised steel sheet
EP0769567A1 (en) * 1995-10-19 1997-04-23 Sollac S.A. Process for coating a sheet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0166654A1 (en) * 1984-06-22 1986-01-02 UNION SIDERURGIQUE DU NORD ET DE L'EST DE LA FRANCE par abréviation "USINOR" Method and apparatus for optimizing the reduction of the size of spangles on a galvanised steel sheet
AU579376B2 (en) * 1984-06-22 1988-11-24 Union Siderurgique Du Nord Et De L'est De La France (Usinor) S.A. Optimizing process and device in a process for reducing the size of the flowering of a galvanized steel strip
EP0769567A1 (en) * 1995-10-19 1997-04-23 Sollac S.A. Process for coating a sheet
FR2740145A1 (en) * 1995-10-19 1997-04-25 Lorraine Laminage COATING PROCESS
US5711990A (en) * 1995-10-19 1998-01-27 Sollac Method of coating sheet metal

Also Published As

Publication number Publication date
LU70393A1 (en) 1974-10-17
BE816931A (en) 1974-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse