IT8019089A0 - PROCEDURE FOR THE CONTINUOUS DIFFUSION TREATMENT OF METAL PARTS AND TRANSIT MUFFLE FURNACE FOR THE EXECUTION OF THE PROCEDURE. - Google Patents

PROCEDURE FOR THE CONTINUOUS DIFFUSION TREATMENT OF METAL PARTS AND TRANSIT MUFFLE FURNACE FOR THE EXECUTION OF THE PROCEDURE.

Info

Publication number
IT8019089A0
IT8019089A0 IT8019089A IT1908980A IT8019089A0 IT 8019089 A0 IT8019089 A0 IT 8019089A0 IT 8019089 A IT8019089 A IT 8019089A IT 1908980 A IT1908980 A IT 1908980A IT 8019089 A0 IT8019089 A0 IT 8019089A0
Authority
IT
Italy
Prior art keywords
procedure
transit
execution
metal parts
muffle furnace
Prior art date
Application number
IT8019089A
Other languages
Italian (it)
Other versions
IT1130207B (en
Inventor
Membrez Philippe
Original Assignee
Four Electr Delemont Sa Du
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 Four Electr Delemont Sa Du filed Critical Four Electr Delemont Sa Du
Publication of IT8019089A0 publication Critical patent/IT8019089A0/en
Application granted granted Critical
Publication of IT1130207B publication Critical patent/IT1130207B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0043Muffle furnaces; Retort furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • F27B9/045Furnaces with controlled atmosphere
    • F27B9/047Furnaces with controlled atmosphere the atmosphere consisting of protective gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/08Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated through chamber walls
    • F27B9/082Muffle furnaces
    • F27B9/084Muffle furnaces the muffle being fixed and in a single piece
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2476Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by air cushion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Tunnel Furnaces (AREA)
  • Furnace Details (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IT19089/80A 1979-01-12 1980-01-08 PROCEDURE FOR THE CONTINUOUS DIFFUSION OF METAL PARTS AND TRANSIT MUFFLE OVEN FOR PROCESSING THE PROCEDURE IT1130207B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH31479A CH627262A5 (en) 1979-01-12 1979-01-12 Method of continuous treatment by diffusion of metal articles, and muffle furnace for implementing the method

Publications (2)

Publication Number Publication Date
IT8019089A0 true IT8019089A0 (en) 1980-01-08
IT1130207B IT1130207B (en) 1986-06-11

Family

ID=4184178

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19089/80A IT1130207B (en) 1979-01-12 1980-01-08 PROCEDURE FOR THE CONTINUOUS DIFFUSION OF METAL PARTS AND TRANSIT MUFFLE OVEN FOR PROCESSING THE PROCEDURE

Country Status (4)

Country Link
CH (1) CH627262A5 (en)
DE (1) DE2950967A1 (en)
FR (1) FR2446457B1 (en)
IT (1) IT1130207B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3933423C2 (en) * 1989-10-06 1994-12-22 Nokia Deutschland Gmbh Device for heat treatment, in particular for LCD substrate plates
DE4112772A1 (en) * 1991-04-19 1992-10-22 Loi Ind Ofenanlagen Treatment furnace for components - with valves between flow channel and furnace controlling amt. of gas into certain areas of furnace
DE10348811A1 (en) * 2003-10-21 2005-06-02 Degussa Ag muffle furnace

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR442842A (en) * 1912-04-23 1912-09-10 Marcel Demongeot Heated bogie hearth oven
US3615082A (en) * 1969-09-02 1971-10-26 Btu Eng Corp Furnace muffle
LU65915A1 (en) * 1972-08-17 1974-02-21

Also Published As

Publication number Publication date
FR2446457B1 (en) 1987-08-28
CH627262A5 (en) 1981-12-31
IT1130207B (en) 1986-06-11
DE2950967A1 (en) 1980-07-24
DE2950967C2 (en) 1987-06-04
FR2446457A1 (en) 1980-08-08

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