CH276872A4 - - Google Patents
Info
- Publication number
- CH276872A4 CH276872A4 CH276872D CH276872D CH276872A4 CH 276872 A4 CH276872 A4 CH 276872A4 CH 276872 D CH276872 D CH 276872D CH 276872 D CH276872 D CH 276872D CH 276872 A4 CH276872 A4 CH 276872A4
- Authority
- CH
- Switzerland
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
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH276872A CH561280A (en) | 1972-02-28 | 1972-02-28 | Watch case with hard, rustproof surface - obtd. from steel contg. chromium, molybdenum aluminium etc., with nitriding in cracked ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH276872A4 true CH276872A4 (en:Method) | 1974-11-29 |
Family
ID=4241171
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH276872A CH561280A (en) | 1972-02-28 | 1972-02-28 | Watch case with hard, rustproof surface - obtd. from steel contg. chromium, molybdenum aluminium etc., with nitriding in cracked ammonia |
| CH276872D CH276872A4 (en:Method) | 1972-02-28 | 1972-02-28 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH276872A CH561280A (en) | 1972-02-28 | 1972-02-28 | Watch case with hard, rustproof surface - obtd. from steel contg. chromium, molybdenum aluminium etc., with nitriding in cracked ammonia |
Country Status (1)
| Country | Link |
|---|---|
| CH (2) | CH561280A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4407179A1 (de) * | 1994-03-04 | 1995-09-14 | Konrad Damasko | Gehäuse für Armbanduhren |
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1972
- 1972-02-28 CH CH276872A patent/CH561280A/xx not_active IP Right Cessation
- 1972-02-28 CH CH276872D patent/CH276872A4/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH561280A (en) | 1975-04-30 |