FR2238762B3 - - Google Patents
Info
- Publication number
- FR2238762B3 FR2238762B3 FR7425719A FR7425719A FR2238762B3 FR 2238762 B3 FR2238762 B3 FR 2238762B3 FR 7425719 A FR7425719 A FR 7425719A FR 7425719 A FR7425719 A FR 7425719A FR 2238762 B3 FR2238762 B3 FR 2238762B3
- 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
- C21B7/00—Blast furnaces
- C21B7/04—Blast furnaces with special refractories
- C21B7/06—Linings for furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
- C21B7/106—Cooling of the furnace bottom
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Blast Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00382800A US3820770A (en) | 1973-07-26 | 1973-07-26 | Sub hearth construction for metallurgical furnaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2238762A1 FR2238762A1 (de) | 1975-02-21 |
| FR2238762B3 true FR2238762B3 (de) | 1977-05-20 |
Family
ID=23510458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7425719A Expired FR2238762B3 (de) | 1973-07-26 | 1974-07-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3820770A (de) |
| JP (1) | JPS5050204A (de) |
| AU (1) | AU6952674A (de) |
| BE (1) | BE818002A (de) |
| DE (1) | DE2432992A1 (de) |
| FR (1) | FR2238762B3 (de) |
| GB (1) | GB1427646A (de) |
| IT (1) | IT1014406B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858861A (en) * | 1974-01-17 | 1975-01-07 | United States Steel Corp | Underhearth cooling system |
| US4157815A (en) * | 1978-04-28 | 1979-06-12 | Inland Steel Company | Furnace bottom construction with seal |
| US4377277A (en) * | 1979-08-03 | 1983-03-22 | Nippon Steel Corporation | Blast furnace having a cooling device |
| US4325538A (en) * | 1979-12-27 | 1982-04-20 | Biuro Projektow Przemyslu Metali Niezelaznych "Bipromet" | Smelting furnace for direct obtaining of copper from ore concentrates/and copper ores |
-
1973
- 1973-07-26 US US00382800A patent/US3820770A/en not_active Expired - Lifetime
-
1974
- 1974-05-29 AU AU69526/74A patent/AU6952674A/en not_active Expired
- 1974-06-17 JP JP49068253A patent/JPS5050204A/ja active Pending
- 1974-06-27 IT IT69040/74A patent/IT1014406B/it active
- 1974-07-09 DE DE2432992A patent/DE2432992A1/de active Pending
- 1974-07-18 GB GB3192974A patent/GB1427646A/en not_active Expired
- 1974-07-23 BE BE146863A patent/BE818002A/xx unknown
- 1974-07-24 FR FR7425719A patent/FR2238762B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5050204A (de) | 1975-05-06 |
| IT1014406B (it) | 1977-04-20 |
| DE2432992A1 (de) | 1975-02-13 |
| US3820770A (en) | 1974-06-28 |
| FR2238762A1 (de) | 1975-02-21 |
| AU6952674A (en) | 1975-12-04 |
| GB1427646A (en) | 1976-03-10 |
| BE818002A (fr) | 1975-01-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |