JPS50137805A - - Google Patents
Info
- Publication number
- JPS50137805A JPS50137805A JP50044176A JP4417675A JPS50137805A JP S50137805 A JPS50137805 A JP S50137805A JP 50044176 A JP50044176 A JP 50044176A JP 4417675 A JP4417675 A JP 4417675A JP S50137805 A JPS50137805 A JP S50137805A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
- B22D1/002—Treatment with gases
- B22D1/005—Injection assemblies therefor
-
- 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
- C21C5/30—Regulating or controlling the blowing
- C21C5/34—Blowing through the bath
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7412784A FR2267376B1 (ja) | 1974-04-11 | 1974-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS50137805A true JPS50137805A (ja) | 1975-11-01 |
Family
ID=9137546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50044176A Pending JPS50137805A (ja) | 1974-04-11 | 1975-04-11 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3992194A (ja) |
JP (1) | JPS50137805A (ja) |
BE (1) | BE827867A (ja) |
CA (1) | CA1029560A (ja) |
FR (1) | FR2267376B1 (ja) |
GB (1) | GB1498276A (ja) |
IT (1) | IT1030439B (ja) |
LU (1) | LU72254A1 (ja) |
SU (1) | SU592366A3 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558457A (en) * | 1978-07-05 | 1980-01-22 | Kawasaki Steel Corp | Oxygen bottom blasting converter |
JPS63290242A (ja) * | 1987-03-11 | 1988-11-28 | ティッセン シュタール アクチェンゲゼルシャフト | 低炭素低シリコンフェロマンガンの製造方法およびその実施のための転炉およびランス |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4057421A (en) * | 1974-10-22 | 1977-11-08 | Sumitomo Metal Industries Limited | Process for vacuum decarburization of steel |
FR2349655A1 (fr) * | 1976-04-28 | 1977-11-25 | Creusot Loire | Methode de protection des tuyeres de soufflage d'oxygene pur en acierie de conversion |
FR2474531B1 (fr) * | 1980-01-24 | 1986-08-14 | Ugine Gueugnon Sa | Procede de decarburation des fontes au chrome, pour l'elaboration d'aciers inoxydables, par jet d'oxygene supersonique |
JPS57143421A (en) * | 1981-02-27 | 1982-09-04 | Nippon Steel Corp | Switching method for bottom blowing gas |
US4933289A (en) * | 1986-06-05 | 1990-06-12 | Takeda Chemical Industries, Ltd. | Biologically pure cultures of Pseudomonas sorbosoxidans useful for producing 2-keto-L-gulonic acid |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1253581A (en) * | 1968-02-24 | 1971-11-17 | Maximilianshuette Eisenwerk | Improvements in processes and apparatus for making steel |
DE1916945C3 (de) * | 1969-04-02 | 1980-04-17 | Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg | Anwendung des Mantelgas-Verfahrens zum Frischen von Roheisen zu Stahl |
US3891429A (en) * | 1973-06-07 | 1975-06-24 | Koppers Co Inc | Method for selective decarburization of alloy steels |
-
1974
- 1974-04-11 FR FR7412784A patent/FR2267376B1/fr not_active Expired
-
1975
- 1975-03-04 GB GB9012/75A patent/GB1498276A/en not_active Expired
- 1975-03-13 US US05/558,111 patent/US3992194A/en not_active Expired - Lifetime
- 1975-03-25 SU SU752115790A patent/SU592366A3/ru active
- 1975-03-26 IT IT67767/75A patent/IT1030439B/it active
- 1975-04-09 LU LU72254A patent/LU72254A1/xx unknown
- 1975-04-10 CA CA224,348A patent/CA1029560A/en not_active Expired
- 1975-04-11 JP JP50044176A patent/JPS50137805A/ja active Pending
- 1975-04-11 BE BE155353A patent/BE827867A/xx not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558457A (en) * | 1978-07-05 | 1980-01-22 | Kawasaki Steel Corp | Oxygen bottom blasting converter |
JPS5833290B2 (ja) * | 1978-07-05 | 1983-07-19 | 川崎製鉄株式会社 | 酸素底吹き転炉 |
JPS63290242A (ja) * | 1987-03-11 | 1988-11-28 | ティッセン シュタール アクチェンゲゼルシャフト | 低炭素低シリコンフェロマンガンの製造方法およびその実施のための転炉およびランス |
Also Published As
Publication number | Publication date |
---|---|
FR2267376A1 (ja) | 1975-11-07 |
BE827867A (fr) | 1975-10-13 |
GB1498276A (en) | 1978-01-18 |
DE2511862B2 (de) | 1976-05-20 |
LU72254A1 (ja) | 1975-08-20 |
FR2267376B1 (ja) | 1977-06-24 |
DE2511862A1 (de) | 1975-10-23 |
US3992194A (en) | 1976-11-16 |
CA1029560A (en) | 1978-04-18 |
SU592366A3 (ru) | 1978-02-05 |
IT1030439B (it) | 1979-03-30 |