FR820873A - Method and apparatus for surface pickling of a ferrous metal body by thermochemical means - Google Patents

Method and apparatus for surface pickling of a ferrous metal body by thermochemical means

Info

Publication number
FR820873A
FR820873A FR820873DA FR820873A FR 820873 A FR820873 A FR 820873A FR 820873D A FR820873D A FR 820873DA FR 820873 A FR820873 A FR 820873A
Authority
FR
France
Prior art keywords
metal body
ferrous metal
surface pickling
thermochemical means
thermochemical
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
Other languages
French (fr)
Inventor
Bucknam James Harold
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.)
Linde Air Products Co
Original Assignee
Linde Air Products 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
Priority claimed from US107373A external-priority patent/US2157095A/en
Application filed by Linde Air Products Co filed Critical Linde Air Products Co
Application granted granted Critical
Publication of FR820873A publication Critical patent/FR820873A/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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
FR820873D 1936-05-09 1937-04-20 Method and apparatus for surface pickling of a ferrous metal body by thermochemical means Expired FR820873A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7883236A 1936-05-09 1936-05-09
US107373A US2157095A (en) 1936-10-24 1936-10-24 Method and apparatus for desurfacing ferrous metal bodies

Publications (1)

Publication Number Publication Date
FR820873A true FR820873A (en) 1937-11-20

Family

ID=83093

Family Applications (1)

Application Number Title Priority Date Filing Date
FR820873D Expired FR820873A (en) 1936-05-09 1937-04-20 Method and apparatus for surface pickling of a ferrous metal body by thermochemical means

Country Status (2)

Country Link
BE (1) BE421182A (en)
FR (1) FR820873A (en)

Also Published As

Publication number Publication date
BE421182A (en) 1937-05-31

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