FR2136851B1 - - Google Patents
Info
- Publication number
- FR2136851B1 FR2136851B1 FR7116506A FR7116506A FR2136851B1 FR 2136851 B1 FR2136851 B1 FR 2136851B1 FR 7116506 A FR7116506 A FR 7116506A FR 7116506 A FR7116506 A FR 7116506A FR 2136851 B1 FR2136851 B1 FR 2136851B1
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/08—Surface hardening with flames
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7116506A FR2136851B1 (fr) | 1971-05-07 | 1971-05-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7116506A FR2136851B1 (fr) | 1971-05-07 | 1971-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2136851A1 FR2136851A1 (fr) | 1972-12-29 |
FR2136851B1 true FR2136851B1 (fr) | 1973-05-11 |
Family
ID=9076599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7116506A Expired FR2136851B1 (fr) | 1971-05-07 | 1971-05-07 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2136851B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3579681D1 (de) * | 1984-12-24 | 1990-10-18 | Nippon Steel Corp | Verfahren und vorrichtung zum waermebehandeln von schienen. |
-
1971
- 1971-05-07 FR FR7116506A patent/FR2136851B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2136851A1 (fr) | 1972-12-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |