CH561280A - Watch case with hard, rustproof surface - obtd. from steel contg. chromium, molybdenum aluminium etc., with nitriding in cracked ammonia - Google Patents
Watch case with hard, rustproof surface - obtd. from steel contg. chromium, molybdenum aluminium etc., with nitriding in cracked ammoniaInfo
- Publication number
- CH561280A CH561280A CH276872A CH276872A CH561280A CH 561280 A CH561280 A CH 561280A CH 276872 A CH276872 A CH 276872A CH 276872 A CH276872 A CH 276872A CH 561280 A CH561280 A CH 561280A
- Authority
- CH
- Switzerland
- Prior art keywords
- hard
- nitriding
- watch case
- obtd
- chromium
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 229910052804 chromium Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910052782 aluminium Inorganic materials 0.000 title abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 title abstract 2
- 238000005121 nitriding Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title 1
- 239000004411 aluminium Substances 0.000 title 1
- 229910021529 ammonia Inorganic materials 0.000 title 1
- 239000011651 chromium Substances 0.000 title 1
- 239000011733 molybdenum Substances 0.000 title 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
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
-
- 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)
Priority Applications (2)
| 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 |
| CH276872D CH276872A4 (en:Method) | 1972-02-28 | 1972-02-28 |
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 |
|---|---|
| CH561280A true CH561280A (en) | 1975-04-30 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH276872D CH276872A4 (en:Method) | 1972-02-28 | 1972-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| CH (2) | CH561280A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024001A1 (de) * | 1994-03-04 | 1995-09-08 | Konrad Damasko | Gehäuse für armbanduhren |
-
1972
- 1972-02-28 CH CH276872A patent/CH561280A/xx not_active IP Right Cessation
- 1972-02-28 CH CH276872D patent/CH276872A4/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995024001A1 (de) * | 1994-03-04 | 1995-09-08 | Konrad Damasko | Gehäuse für armbanduhren |
Also Published As
| Publication number | Publication date |
|---|---|
| CH276872A4 (en:Method) | 1974-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |