DE171837C - - Google Patents

Info

Publication number
DE171837C
DE171837C DENDAT171837D DE171837DA DE171837C DE 171837 C DE171837 C DE 171837C DE NDAT171837 D DENDAT171837 D DE NDAT171837D DE 171837D A DE171837D A DE 171837DA DE 171837 C DE171837 C DE 171837C
Authority
DE
Germany
Prior art keywords
charcoal
spruce
bark
wood
covered
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.)
Active
Application number
DENDAT171837D
Other languages
German (de)
Publication of DE171837C publication Critical patent/DE171837C/de
Active 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/62—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 solids, e.g. powders, pastes only one element being applied
    • C23C8/64—Carburising
    • C23C8/66—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)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Description

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:Patent claim: Verfahren zur Zementierung von Metallen, dadurch gekennzeichnet, daß an Stelle einer Kohle, die aus Holz oder aus mit Rinde bedecktem Fichtenholz hergestellt ist, eine Kohle benutzt wird, welche allein aus Fichtenrinde erzeugt ist.Process for cementing metals, characterized in that an Place a charcoal made from wood or from spruce covered with bark is made, a charcoal is used, which is made solely from spruce bark.
DENDAT171837D Active DE171837C (en)

Publications (1)

Publication Number Publication Date
DE171837C true DE171837C (en)

Family

ID=436775

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT171837D Active DE171837C (en)

Country Status (1)

Country Link
DE (1) DE171837C (en)

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