GB253641A - Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys - Google Patents

Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys

Info

Publication number
GB253641A
GB253641A GB8469/25A GB846925A GB253641A GB 253641 A GB253641 A GB 253641A GB 8469/25 A GB8469/25 A GB 8469/25A GB 846925 A GB846925 A GB 846925A GB 253641 A GB253641 A GB 253641A
Authority
GB
United Kingdom
Prior art keywords
iron
chamber
cementation
hydrocarbon
relating
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
GB8469/25A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US639081A external-priority patent/US1535992A/en
Application filed by Individual filed Critical Individual
Priority to GB8469/25A priority Critical patent/GB253641A/en
Publication of GB253641A publication Critical patent/GB253641A/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
    • 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
    • C23C8/22—Carburising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)

Abstract

253,641. Fisher, W. H., and Chambers, P. March 30, 1925. Cementation.-In apparatus for the cementation of iron or iron alloys by means of hydrocarbons, the latter is introduced into the furnace 1 by a nozzle 20 at the upper end of an annular member 17 mounted in the cap f of the retort chamber b so that the hydrocarbon is not vaporized before it reaches the chamber b in which the iron &c. is placed. The chamber b is heated bv the introduction of gas into the space 3 formed between the chamber b and the inner wall of the furnace 1. The iron &c. to be treated is placed on a table 9 which is supported by a member 10 having openings 11 and is provided with a central opening 12 through which is inserted a thermo-couple 28. The hydrocarbon is fed to the nozzle 20 by a pipe 22 from a tank 24, the amount being regulated by cooks 25, 26. The hydrocarbon used may be organic oils such as pine tar or other pyroligneous products, fish or vegetable oil. When it is desired to remove the iron &c. from the chamber b, gas is admitted from pipes 27 into the space below the table 9 and thus into the chamber, and then the cover f is removed.
GB8469/25A 1923-05-15 1925-03-30 Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys Expired GB253641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8469/25A GB253641A (en) 1923-05-15 1925-03-30 Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US639081A US1535992A (en) 1923-05-15 1923-05-15 Furnace
GB8469/25A GB253641A (en) 1923-05-15 1925-03-30 Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys

Publications (1)

Publication Number Publication Date
GB253641A true GB253641A (en) 1926-06-24

Family

ID=32328020

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8469/25A Expired GB253641A (en) 1923-05-15 1925-03-30 Improvements in and relating to apparatus particularly adapted for use in the cementation of iron or iron alloys

Country Status (1)

Country Link
GB (1) GB253641A (en)

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