FR2206390B3 - - Google Patents
Info
- Publication number
- FR2206390B3 FR2206390B3 FR7340072A FR7340072A FR2206390B3 FR 2206390 B3 FR2206390 B3 FR 2206390B3 FR 7340072 A FR7340072 A FR 7340072A FR 7340072 A FR7340072 A FR 7340072A FR 2206390 B3 FR2206390 B3 FR 2206390B3
- Authority
- FR
- France
- 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
Links
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD16681172A DD100420A1 (xx) | 1972-11-13 | 1972-11-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2206390A1 FR2206390A1 (en) | 1974-06-07 |
FR2206390B3 true FR2206390B3 (xx) | 1976-09-24 |
Family
ID=5488891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7340072A Granted FR2206390A1 (en) | 1972-11-13 | 1973-11-12 | Hard-facing valve seats - by depositing a layer of nickel -tungsten hot work tool steel |
Country Status (3)
Country | Link |
---|---|
DD (1) | DD100420A1 (xx) |
DE (1) | DE2354932A1 (xx) |
FR (1) | FR2206390A1 (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2380419A2 (fr) * | 1977-02-15 | 1978-09-08 | Dervaux Ets | Procede de fabrication d'organes mecaniques tels que des soupapes pour moteurs thermiques |
-
1972
- 1972-11-13 DD DD16681172A patent/DD100420A1/xx unknown
-
1973
- 1973-11-02 DE DE19732354932 patent/DE2354932A1/de active Pending
- 1973-11-12 FR FR7340072A patent/FR2206390A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2206390A1 (en) | 1974-06-07 |
DE2354932A1 (de) | 1974-05-16 |
DD100420A1 (xx) | 1973-09-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |