DE189339C - - Google Patents
Info
- Publication number
- DE189339C DE189339C DENDAT189339D DE189339DA DE189339C DE 189339 C DE189339 C DE 189339C DE NDAT189339 D DENDAT189339 D DE NDAT189339D DE 189339D A DE189339D A DE 189339DA DE 189339 C DE189339 C DE 189339C
- Authority
- DE
- Germany
- Prior art keywords
- iron
- unhardened
- bare
- hardened
- cooling
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 4
- 229910052742 iron Inorganic materials 0.000 claims 2
- 210000000282 Nails Anatomy 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 238000005242 forging Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
Classifications
-
- 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
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-Anspruch:Verfahren zur Herstellung von kleinen ungehärteten, blanken und zugfesten Eisengegenständen (Hufnägeln o. dgl.), dadurch gekennzeichnet, daß man sehr kohlenstoffarmes, durch Kühlen nicht zu härtendes Eisen bei schwacher Rotglut in die gewünschte Form bringt, rasch auf unter ioo° C. abkühlt und dann, ehe noch eine Oxydation stattfindet, fertig schmiedet.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE189339C true DE189339C (de) |
Family
ID=452895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT189339D Active DE189339C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE189339C (de) |
-
0
- DE DENDAT189339D patent/DE189339C/de active Active
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