JPS4930896B1 - - Google Patents

Info

Publication number
JPS4930896B1
JPS4930896B1 JP443269A JP443269A JPS4930896B1 JP S4930896 B1 JPS4930896 B1 JP S4930896B1 JP 443269 A JP443269 A JP 443269A JP 443269 A JP443269 A JP 443269A JP S4930896 B1 JPS4930896 B1 JP S4930896B1
Authority
JP
Japan
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.)
Pending
Application number
JP443269A
Other languages
Japanese (ja)
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 filed Critical
Priority to JP443269A priority Critical patent/JPS4930896B1/ja
Priority to GB334570A priority patent/GB1247642A/en
Publication of JPS4930896B1 publication Critical patent/JPS4930896B1/ja
Pending 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
    • C23C8/08—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 only one element being applied
    • C23C8/20—Carburising
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
JP443269A 1969-01-23 1969-01-23 Pending JPS4930896B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP443269A JPS4930896B1 (en) 1969-01-23 1969-01-23
GB334570A GB1247642A (en) 1969-01-23 1970-01-23 Method of controlling atmosphere in a drip feed gas carburizing furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP443269A JPS4930896B1 (en) 1969-01-23 1969-01-23

Publications (1)

Publication Number Publication Date
JPS4930896B1 true JPS4930896B1 (en) 1974-08-16

Family

ID=11584072

Family Applications (1)

Application Number Title Priority Date Filing Date
JP443269A Pending JPS4930896B1 (en) 1969-01-23 1969-01-23

Country Status (2)

Country Link
JP (1) JPS4930896B1 (en)
GB (1) GB1247642A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008208395A (en) * 2007-02-23 2008-09-11 Ihi Corp Carburizing apparatus and carburizing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541857A (en) * 1945-05-30 1951-02-13 Leeds & Northrup Co Control of constituent potentials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541857A (en) * 1945-05-30 1951-02-13 Leeds & Northrup Co Control of constituent potentials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008208395A (en) * 2007-02-23 2008-09-11 Ihi Corp Carburizing apparatus and carburizing method

Also Published As

Publication number Publication date
GB1247642A (en) 1971-09-29

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