JPS543121B1 - - Google Patents
Info
- Publication number
- JPS543121B1 JPS543121B1 JP738670A JP738670A JPS543121B1 JP S543121 B1 JPS543121 B1 JP S543121B1 JP 738670 A JP738670 A JP 738670A JP 738670 A JP738670 A JP 738670A JP S543121 B1 JPS543121 B1 JP S543121B1
- 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
-
- 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
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691904442 DE1904442B2 (de) | 1969-01-30 | 1969-01-30 | Verfahren zum vakuumfrischen von metallschmelzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS543121B1 true JPS543121B1 (enrdf_load_stackoverflow) | 1979-02-19 |
Family
ID=5723740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP738670A Pending JPS543121B1 (enrdf_load_stackoverflow) | 1969-01-30 | 1970-01-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3759700A (enrdf_load_stackoverflow) |
| JP (1) | JPS543121B1 (enrdf_load_stackoverflow) |
| DE (1) | DE1904442B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2029665B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1288336A (enrdf_load_stackoverflow) |
| SE (1) | SE363846B (enrdf_load_stackoverflow) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL155487B (nl) * | 1965-07-22 | 1978-01-16 | Textron Inc | Vulpen of dergelijk schrijf- of markeerinstrument. |
| JPS5442211A (en) * | 1977-09-09 | 1979-04-04 | Yoshio Midorikawa | Feltttip pen and method and device for making said pen |
| HU179333B (en) * | 1978-10-04 | 1982-09-28 | Vasipari Kutato Intezet | Method and apparatus for decreasing the unclusion contents and refining the structure of steels |
| EP0328851A1 (en) * | 1988-02-16 | 1989-08-23 | Acciaierie E Ferriere Lombarde Falck S.P.A. | An apparatus for decarbonizing steels directly in the ladle |
| CA1337846C (en) * | 1988-06-21 | 1996-01-02 | Hiroshi Nishikawa | Process for vacuum degassing and decarbonization with temperature drop compensating feature |
| AU653294B2 (en) * | 1992-08-26 | 1994-09-22 | Nippon Steel Corporation | Process for vacuum degassing molten steel |
| DE4442362C1 (de) * | 1994-11-18 | 1996-04-18 | Mannesmann Ag | Verfahren und Vorrichtung zum Behandeln von einer in einem metallurgischen Gefäß befindlichen Metallschmelze |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2093666A (en) * | 1934-11-23 | 1937-09-21 | Wacker Chemie Gmbh | Process for treating iron and iron alloys |
| AT174069B (de) * | 1950-01-31 | 1953-02-25 | Voest Ag | Verfahren zur Herstellung von technisch reinem Eisen |
| DE975922C (de) * | 1951-03-17 | 1962-12-13 | Oesterr Alpine Montan | Verfahren zum Verblasen von Roheisen, bei welchem Sauerstoff mit einer Blasduese von oben auf die Badoberflaeche aufgeblasen wird |
| GB761657A (en) * | 1953-01-15 | 1956-11-21 | Oesterr Alpine Montan | Improvements in methods for blowing metal baths, particularly pig iron baths |
| DE1216904B (de) * | 1957-04-03 | 1966-05-18 | Heraeus Gmbh W C | Verfahren zum Vakuumentgasen von geschmolzenen Metallen, insbesondere Stahl |
| DE1804748U (de) * | 1958-02-22 | 1960-01-28 | Hoerder Huettenunion Ag | Vorrichtung zum entgasen von stahlschmelzen. |
| FR1238058A (fr) * | 1958-10-11 | 1960-08-05 | Suedwestfalen Ag Stahlwerke | Procédé pour l'obtention de bains de fusion de métaux fortement alliés |
| DE1194886B (de) * | 1960-06-24 | 1965-06-16 | Beteiligungs & Patentverw Gmbh | Verfahren zum Frischen von Roheisen, insbesondere solchem mit hohem Phosphorgehalt |
| FR1277441A (fr) * | 1960-10-22 | 1961-12-01 | Siderurgie Fse Inst Rech | Perfectionnements au traitement de l'acier sous vide |
| GB1027115A (en) * | 1963-06-25 | 1966-04-20 | Allegheny Ludlum Steel | Improvements in or relating to a process for producing corrosion-resisting steel |
-
1969
- 1969-01-30 DE DE19691904442 patent/DE1904442B2/de not_active Ceased
-
1970
- 1970-01-19 FR FR7001732A patent/FR2029665B1/fr not_active Expired
- 1970-01-22 US US00004917A patent/US3759700A/en not_active Expired - Lifetime
- 1970-01-29 JP JP738670A patent/JPS543121B1/ja active Pending
- 1970-01-29 SE SE01136/70A patent/SE363846B/xx unknown
- 1970-01-30 GB GB466670A patent/GB1288336A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE363846B (enrdf_load_stackoverflow) | 1974-02-04 |
| GB1288336A (enrdf_load_stackoverflow) | 1972-09-06 |
| DE1904442A1 (de) | 1970-09-03 |
| FR2029665A1 (enrdf_load_stackoverflow) | 1970-10-23 |
| US3759700A (en) | 1973-09-18 |
| DE1904442B2 (de) | 1978-01-19 |
| FR2029665B1 (enrdf_load_stackoverflow) | 1974-08-09 |