GB1288336A - - Google Patents
Info
- Publication number
- GB1288336A GB1288336A GB466670A GB466670A GB1288336A GB 1288336 A GB1288336 A GB 1288336A GB 466670 A GB466670 A GB 466670A GB 466670 A GB466670 A GB 466670A GB 1288336 A GB1288336 A GB 1288336A
- Authority
- GB
- United Kingdom
- Prior art keywords
- oxygen
- vacuum chamber
- chamber
- refining
- pressure
- Prior art date
- 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
- 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 |
---|---|
GB1288336A true GB1288336A (de) | 1972-09-06 |
Family
ID=5723740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB466670A Expired GB1288336A (de) | 1969-01-30 | 1970-01-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3759700A (de) |
JP (1) | JPS543121B1 (de) |
DE (1) | DE1904442B2 (de) |
FR (1) | FR2029665B1 (de) |
GB (1) | GB1288336A (de) |
SE (1) | SE363846B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294611A (en) * | 1978-10-04 | 1981-10-13 | Vasipari Kutato Intezet | Process and apparatus for reducing the inclusion content of steels and for refining their structure |
AU622678B2 (en) * | 1988-06-21 | 1992-04-16 | Kawasaki Steel Corporation | Process for vacuum degassing and decarbonization with temperature drop compensating feature |
Families Citing this family (5)
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 |
EP0328851A1 (de) * | 1988-02-16 | 1989-08-23 | Acciaierie E Ferriere Lombarde Falck S.P.A. | Vorrichtung zum Entkohlen von Stählen zu der Pfanne |
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 SE SE01136/70A patent/SE363846B/xx unknown
- 1970-01-29 JP JP738670A patent/JPS543121B1/ja active Pending
- 1970-01-30 GB GB466670A patent/GB1288336A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4294611A (en) * | 1978-10-04 | 1981-10-13 | Vasipari Kutato Intezet | Process and apparatus for reducing the inclusion content of steels and for refining their structure |
AU622678B2 (en) * | 1988-06-21 | 1992-04-16 | Kawasaki Steel Corporation | Process for vacuum degassing and decarbonization with temperature drop compensating feature |
Also Published As
Publication number | Publication date |
---|---|
FR2029665A1 (de) | 1970-10-23 |
JPS543121B1 (de) | 1979-02-19 |
SE363846B (de) | 1974-02-04 |
DE1904442A1 (de) | 1970-09-03 |
US3759700A (en) | 1973-09-18 |
FR2029665B1 (de) | 1974-08-09 |
DE1904442B2 (de) | 1978-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |