FR2147986B1 - - Google Patents
Info
- Publication number
- FR2147986B1 FR2147986B1 FR7225047A FR7225047A FR2147986B1 FR 2147986 B1 FR2147986 B1 FR 2147986B1 FR 7225047 A FR7225047 A FR 7225047A FR 7225047 A FR7225047 A FR 7225047A FR 2147986 B1 FR2147986 B1 FR 2147986B1
- 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
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE770806A BE770806A (fr) | 1971-07-30 | 1971-07-30 | Tuyeres a double conduit concentrique. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2147986A1 FR2147986A1 (en) | 1973-03-11 |
| FR2147986B1 true FR2147986B1 (enExample) | 1974-12-27 |
Family
ID=3858470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7225047A Granted FR2147986A1 (en) | 1971-07-30 | 1972-07-11 | Converter bottom tuyeres - with double concentric creep-resistant con |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE770806A (enExample) |
| FR (1) | FR2147986A1 (enExample) |
-
1971
- 1971-07-30 BE BE770806A patent/BE770806A/xx unknown
-
1972
- 1972-07-11 FR FR7225047A patent/FR2147986A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2147986A1 (en) | 1973-03-11 |
| BE770806A (fr) | 1972-01-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |