FR835672A - Process improvements for metal processing - Google Patents

Process improvements for metal processing

Info

Publication number
FR835672A
FR835672A FR835672DA FR835672A FR 835672 A FR835672 A FR 835672A FR 835672D A FR835672D A FR 835672DA FR 835672 A FR835672 A FR 835672A
Authority
FR
France
Prior art keywords
metal processing
process improvements
metal
processing
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)
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.)
United Engineering and Foundry Co
Original Assignee
United Engineering and Foundry 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 United Engineering and Foundry Co filed Critical United Engineering and Foundry Co
Application granted granted Critical
Publication of FR835672A publication Critical patent/FR835672A/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
    • C23F15/00—Other methods of preventing corrosion or incrustation
    • 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
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
FR835672D 1937-04-01 1938-03-24 Process improvements for metal processing Expired FR835672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835672XA 1937-04-01 1937-04-01

Publications (1)

Publication Number Publication Date
FR835672A true FR835672A (en) 1938-12-28

Family

ID=22179176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835672D Expired FR835672A (en) 1937-04-01 1938-03-24 Process improvements for metal processing

Country Status (1)

Country Link
FR (1) FR835672A (en)

Similar Documents

Publication Publication Date Title
FR798901A (en) Improvements to processes and apparatus for treating metals or metal objects
FR841500A (en) Process for preparing alkinols
FR835672A (en) Process improvements for metal processing
FR815521A (en) Process improvements for metal rolling
FR848144A (en) Improvements to photosensitive products treatment processes
FR839542A (en) Process for extracting zinc from solutions containing it
FR853939A (en) Enhancements to converters for metal processing
FR835685A (en) Process for copper treatment
FR860412A (en) Sheet metal processing process
FR844375A (en) Method for collecting dichlorohydrin solutions
FR773980A (en) Process improvements for the treatment of oxidized ores
FR823110A (en) Improvements to the processes for the treatment of distillation residues
FR832110A (en) Improvements to processes and apparatus for the treatment of integuments
FR766036A (en) Advanced processing process for metal ores
FR825080A (en) Process for treating casings
FR845960A (en) Process for the treatment of metal surfaces
FR841757A (en) Process for the treatment of ammoniacal solutions of heavy metals
FR823867A (en) Metal lining process
FR819439A (en) Processes and apparatus for annealing
FR48717E (en) Process for the reduction of oxides
FR794127A (en) Apparatus for processing ores by amalgamation
FR839078A (en) Improvements to the processes for manufacturing fakes
FR52718E (en) Process for extracting zinc from solutions containing it
FR837775A (en) Machine for preventive seed treatment
FR839075A (en) Chlorination process for chromite ores