GB924935A - Improvements in or relating to safety devices for spraying-reheating apparatus for preparing the atmosphere in metal heat treatment processes - Google Patents

Improvements in or relating to safety devices for spraying-reheating apparatus for preparing the atmosphere in metal heat treatment processes

Info

Publication number
GB924935A
GB924935A GB28426/60A GB2842660A GB924935A GB 924935 A GB924935 A GB 924935A GB 28426/60 A GB28426/60 A GB 28426/60A GB 2842660 A GB2842660 A GB 2842660A GB 924935 A GB924935 A GB 924935A
Authority
GB
United Kingdom
Prior art keywords
switch
heater
relay
closed
resistor
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
GB28426/60A
Other languages
English (en)
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.)
Renault SAS
Regie Nationale des Usines Renault
Original Assignee
Renault SAS
Regie Nationale des Usines Renault
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 Renault SAS, Regie Nationale des Usines Renault filed Critical Renault SAS
Publication of GB924935A publication Critical patent/GB924935A/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
    • C23C8/06—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 gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/168—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed with means for heating or cooling after mixing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Resistance Heating (AREA)
GB28426/60A 1959-08-26 1960-08-16 Improvements in or relating to safety devices for spraying-reheating apparatus for preparing the atmosphere in metal heat treatment processes Expired GB924935A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR803606A FR1242992A (fr) 1959-08-26 1959-08-26 Dispositif de sécurité pour pulvérisateur-réchauffeur de préparation d'atmosphère de traitement thermique des métaux

Publications (1)

Publication Number Publication Date
GB924935A true GB924935A (en) 1963-05-01

Family

ID=8718587

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28426/60A Expired GB924935A (en) 1959-08-26 1960-08-16 Improvements in or relating to safety devices for spraying-reheating apparatus for preparing the atmosphere in metal heat treatment processes

Country Status (4)

Country Link
FR (1) FR1242992A (xx)
GB (1) GB924935A (xx)
OA (1) OA01303A (xx)
SE (1) SE304531B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450878A1 (fr) * 1979-03-05 1980-10-03 Air Liquide Installation generatrice d'une atmosphere de traitement thermique des metaux
SE461533B (sv) * 1987-09-28 1990-02-26 Aga Ab Saett att med en lans tillfoera en vid omgivningstemperaturen vaetskeformigt substans till en vaermebehandlingsugn

Also Published As

Publication number Publication date
FR1242992A (fr) 1960-10-07
SE304531B (xx) 1968-09-30
OA01303A (fr) 1969-02-15

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