FR2556367B1 - INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS - Google Patents

INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS

Info

Publication number
FR2556367B1
FR2556367B1 FR8319781A FR8319781A FR2556367B1 FR 2556367 B1 FR2556367 B1 FR 2556367B1 FR 8319781 A FR8319781 A FR 8319781A FR 8319781 A FR8319781 A FR 8319781A FR 2556367 B1 FR2556367 B1 FR 2556367B1
Authority
FR
France
Prior art keywords
bathtubs
maintenance
treatment
molten salt
metal parts
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
FR8319781A
Other languages
French (fr)
Other versions
FR2556367A1 (en
Inventor
Bernard Grellet
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.)
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Original Assignee
Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement 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 Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA filed Critical Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement SA
Priority to FR8319781A priority Critical patent/FR2556367B1/en
Priority to IN663/DEL/84A priority patent/IN161219B/en
Priority to DE8484402401T priority patent/DE3465207D1/en
Priority to EP19840402401 priority patent/EP0145576B1/en
Priority to BR8406275A priority patent/BR8406275A/en
Priority to ES538372A priority patent/ES8702499A1/en
Priority to JP25904784A priority patent/JPS60141864A/en
Publication of FR2556367A1 publication Critical patent/FR2556367A1/en
Application granted granted Critical
Publication of FR2556367B1 publication Critical patent/FR2556367B1/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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cosmetics (AREA)
  • Seasonings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Detergent Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Glanulating (AREA)
FR8319781A 1983-12-09 1983-12-09 INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS Expired FR2556367B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8319781A FR2556367B1 (en) 1983-12-09 1983-12-09 INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS
IN663/DEL/84A IN161219B (en) 1983-12-09 1984-08-16
DE8484402401T DE3465207D1 (en) 1983-12-09 1984-11-26 Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces
EP19840402401 EP0145576B1 (en) 1983-12-09 1984-11-26 Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces
BR8406275A BR8406275A (en) 1983-12-09 1984-12-07 RECONSTITUTION LOAD INTENDED TO COMPENSATE THE LOSSES OF A BATH OF MELTED SALTS FOR THE TREATMENT OF METALLIC PIECES
ES538372A ES8702499A1 (en) 1983-12-09 1984-12-07 Additive for maintaining the working order of molten-salt baths for the treatment of metal pieces.
JP25904784A JPS60141864A (en) 1983-12-09 1984-12-07 Pour inserter for keeping state of molten salt bath for treating metal product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8319781A FR2556367B1 (en) 1983-12-09 1983-12-09 INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS

Publications (2)

Publication Number Publication Date
FR2556367A1 FR2556367A1 (en) 1985-06-14
FR2556367B1 true FR2556367B1 (en) 1986-09-19

Family

ID=9295052

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8319781A Expired FR2556367B1 (en) 1983-12-09 1983-12-09 INPUT LOAD FOR THE MAINTENANCE OF MOLTEN SALT BATHTUBS FOR THE TREATMENT OF METAL PARTS

Country Status (7)

Country Link
EP (1) EP0145576B1 (en)
JP (1) JPS60141864A (en)
BR (1) BR8406275A (en)
DE (1) DE3465207D1 (en)
ES (1) ES8702499A1 (en)
FR (1) FR2556367B1 (en)
IN (1) IN161219B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030279C1 (en) * 1990-09-25 1992-06-04 Goetz Dipl.-Chem. Dr. 5400 Koblenz De Baum Regenerating molten alkali metal cyanate - by continuous addn. of urea] or polymer or condensate that generates urea, feeding additive into containers in continuous conveyor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012625B (en) * 1955-06-10 1957-07-25 Houghton Chemie G M B H Process for obtaining temporary carburizing effect in the heat treatment of steel in cyanide-free molten salts
FR2214760A2 (en) * 1973-01-23 1974-08-19 Ctre Rech Meca Hydromeca Surface treating ferrous metals - with molten salt bath contg carbonate, cyanate, lithium, potassium, and sodium ions
AR204533A1 (en) * 1973-06-20 1976-02-12 Stephanois Rech Mec PROCEDURE FOR REGENERATION OF A BATH OF MELTED SALTS CONTAINING CYANATES AND CARBONATES
FR2271307A1 (en) * 1974-05-17 1975-12-12 Stephanois Rech Meca Hyd Centr Stabilising fused cyanate heat treatment baths - by introducing sulphur and carbonyl cpds. to reduce cyanide formation
DE2521550A1 (en) * 1975-05-15 1976-12-02 Daimler Benz Ag Regeneration of molten metal salt nitration baths - by addition of isocyanic acid polymer
DE2542519A1 (en) * 1975-09-24 1977-04-14 Daimler Benz Ag Regenerating cyanate contg. melt baths - by adding polycarbonyl carbodiimide, esp. for nitriding iron
JPS5931861A (en) * 1982-08-16 1984-02-21 Mitsui Toatsu Chem Inc Regenerating agent for salt bath for nitriding metallic material

Also Published As

Publication number Publication date
EP0145576A3 (en) 1985-07-10
IN161219B (en) 1987-10-17
DE3465207D1 (en) 1987-09-10
JPS60141864A (en) 1985-07-26
ES8702499A1 (en) 1987-01-01
EP0145576B1 (en) 1987-08-05
JPS6354067B2 (en) 1988-10-26
EP0145576A2 (en) 1985-06-19
FR2556367A1 (en) 1985-06-14
ES538372A0 (en) 1987-01-01
BR8406275A (en) 1985-10-01

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