KR880019721U - Filtering device of nitriding furnace - Google Patents

Filtering device of nitriding furnace

Info

Publication number
KR880019721U
KR880019721U KR2019870005767U KR870005767U KR880019721U KR 880019721 U KR880019721 U KR 880019721U KR 2019870005767 U KR2019870005767 U KR 2019870005767U KR 870005767 U KR870005767 U KR 870005767U KR 880019721 U KR880019721 U KR 880019721U
Authority
KR
South Korea
Prior art keywords
filtering device
nitriding furnace
nitriding
furnace
filtering
Prior art date
Application number
KR2019870005767U
Other languages
Korean (ko)
Other versions
KR900007662Y1 (en
Inventor
김종록
Original Assignee
김종록
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 김종록 filed Critical 김종록
Priority to KR2019870005767U priority Critical patent/KR900007662Y1/en
Publication of KR880019721U publication Critical patent/KR880019721U/en
Application granted granted Critical
Publication of KR900007662Y1 publication Critical patent/KR900007662Y1/en

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
    • C23C8/42—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 only one element being applied
    • C23C8/48—Nitriding
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1255—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest with diffusion of elements, e.g. decarburising, nitriding
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D2099/0085—Accessories
    • F27D2099/0086—Filters, e.g. for molten metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
KR2019870005767U 1987-04-21 1987-04-21 Filtering device for nitrogizing furnace KR900007662Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870005767U KR900007662Y1 (en) 1987-04-21 1987-04-21 Filtering device for nitrogizing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870005767U KR900007662Y1 (en) 1987-04-21 1987-04-21 Filtering device for nitrogizing furnace

Publications (2)

Publication Number Publication Date
KR880019721U true KR880019721U (en) 1988-11-28
KR900007662Y1 KR900007662Y1 (en) 1990-08-23

Family

ID=19261984

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870005767U KR900007662Y1 (en) 1987-04-21 1987-04-21 Filtering device for nitrogizing furnace

Country Status (1)

Country Link
KR (1) KR900007662Y1 (en)

Also Published As

Publication number Publication date
KR900007662Y1 (en) 1990-08-23

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee