FR2274694B1 - - Google Patents
Info
- Publication number
- FR2274694B1 FR2274694B1 FR7518252A FR7518252A FR2274694B1 FR 2274694 B1 FR2274694 B1 FR 2274694B1 FR 7518252 A FR7518252 A FR 7518252A FR 7518252 A FR7518252 A FR 7518252A FR 2274694 B1 FR2274694 B1 FR 2274694B1
- 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
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8336574A IT1018454B (it) | 1974-06-11 | 1974-06-11 | Perfezionamenti al procedimento carbotermico del tipo con riscal damento esterno per l ottenimento di spugna di ferro e procedimento carbotermico cosi perfezionato |
| IT8336175A IT1051122B (it) | 1975-04-24 | 1975-04-24 | Perfezionamenti al procedimento carbotermico del tipo con riscal damento esterno per l ottenimento di spugna di ferro e procedimento carbotermico cosi perfezionato |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2274694A1 FR2274694A1 (fr) | 1976-01-09 |
| FR2274694B1 true FR2274694B1 (ref) | 1979-10-19 |
Family
ID=26330067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7518252A Granted FR2274694A1 (fr) | 1974-06-11 | 1975-06-11 | Procede carbothermique du type a chauffage externe pour la preparation de l'eponge de fer |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT354488B (ref) |
| AU (1) | AU499913B2 (ref) |
| BR (1) | BR7503659A (ref) |
| DE (1) | DE2524120A1 (ref) |
| FR (1) | FR2274694A1 (ref) |
| GB (1) | GB1510992A (ref) |
| SE (1) | SE7505759L (ref) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082543A (en) * | 1977-02-16 | 1978-04-04 | Midrex Corporation | Method for reducing particulate iron oxide to metallic iron with solid reductant |
| IT1097724B (it) * | 1977-11-22 | 1985-08-31 | Kinglor Metor Spa | Perfezionamenti al procedimento carbotermico per l'ottenimento di spugna di ferro e procedimento carbotermico cosi' perfezionato |
| AT367798B (de) * | 1980-08-08 | 1982-07-26 | Voest Alpine Ag | Verfahren zur direktreduktion von eisentraegern sowie vorrichtung zur durchfuehrung des verfahrens |
| CN112501427B (zh) * | 2020-11-30 | 2021-11-23 | 中南大学 | 一种钼精矿氧化挥发提纯装置 |
-
1975
- 1975-05-20 GB GB153075A patent/GB1510992A/en not_active Expired
- 1975-05-21 SE SE7505759A patent/SE7505759L/ not_active Application Discontinuation
- 1975-05-28 AT AT409775A patent/AT354488B/de not_active IP Right Cessation
- 1975-05-30 DE DE19752524120 patent/DE2524120A1/de not_active Withdrawn
- 1975-06-05 AU AU81883/75A patent/AU499913B2/en not_active Expired
- 1975-06-10 BR BR7504693D patent/BR7503659A/pt unknown
- 1975-06-11 FR FR7518252A patent/FR2274694A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE7505759L (sv) | 1975-12-12 |
| DE2524120A1 (de) | 1976-01-02 |
| AU499913B2 (en) | 1979-05-03 |
| AT354488B (de) | 1979-01-10 |
| GB1510992A (en) | 1978-05-17 |
| BR7503659A (pt) | 1976-06-29 |
| AU8188375A (en) | 1976-12-09 |
| FR2274694A1 (fr) | 1976-01-09 |
| ATA409775A (de) | 1979-06-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |