FR2256251B1 - - Google Patents
Info
- Publication number
- FR2256251B1 FR2256251B1 FR7443430A FR7443430A FR2256251B1 FR 2256251 B1 FR2256251 B1 FR 2256251B1 FR 7443430 A FR7443430 A FR 7443430A FR 7443430 A FR7443430 A FR 7443430A FR 2256251 B1 FR2256251 B1 FR 2256251B1
- 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
- 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 |
|---|---|---|---|
| JP743860A JPS5318323B2 (US08197722-20120612-C00042.png) | 1973-12-31 | 1973-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2256251A1 FR2256251A1 (US08197722-20120612-C00042.png) | 1975-07-25 |
| FR2256251B1 true FR2256251B1 (US08197722-20120612-C00042.png) | 1977-10-28 |
Family
ID=11568934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7443430A Expired FR2256251B1 (US08197722-20120612-C00042.png) | 1973-12-31 | 1974-12-31 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2522194A1 (de) * | 1975-05-17 | 1976-12-02 | Vacmetal Gmbh | Verfahren und vorrichtung zum herstellen von qualitaetsstaehlen |
| JPS5644598Y2 (US08197722-20120612-C00042.png) * | 1975-08-21 | 1981-10-19 | ||
| ZA775918B (en) * | 1977-01-11 | 1978-05-30 | Nat Steel Corp | The use of orgon to prepare low-carbon,low-nitrogen steels in the basic oxygen process |
| JPS5394212A (en) * | 1977-01-31 | 1978-08-18 | Kawasaki Steel Co | Method of making ultralowwcarbon*highh nitrogen chrome steel |
| JPS5394214A (en) * | 1977-01-31 | 1978-08-18 | Kawasaki Steel Co | Denitriding method of high chrome molten steel with small chrome loss |
| US6854290B2 (en) * | 2001-07-18 | 2005-02-15 | Corning Incorporated | Method for controlling foam production in reduced pressure fining |
| JP2010240701A (ja) * | 2009-04-07 | 2010-10-28 | Zeon North Kk | 溶湯金属の自動吸引供給装置および溶湯金属用取鍋 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2954244A (en) * | 1956-08-10 | 1960-09-27 | Henry J Kaiser Company | Movable gas sealing device for furnaces and the like |
| DE2007373B2 (de) * | 1970-02-18 | 1973-05-03 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren und konverter zum herstellen ferritischer chromstaehle |
-
1973
- 1973-12-31 JP JP743860A patent/JPS5318323B2/ja not_active Expired
-
1974
- 1974-12-19 SE SE7416056A patent/SE403494B/xx not_active IP Right Cessation
- 1974-12-23 IT IT7430936A patent/IT1027977B/it active
- 1974-12-27 US US05/536,983 patent/US3976473A/en not_active Expired - Lifetime
- 1974-12-31 FR FR7443430A patent/FR2256251B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7416056L (US08197722-20120612-C00042.png) | 1975-07-01 |
| DE2461859B2 (de) | 1976-04-22 |
| SE403494B (sv) | 1978-08-21 |
| FR2256251A1 (US08197722-20120612-C00042.png) | 1975-07-25 |
| JPS5318323B2 (US08197722-20120612-C00042.png) | 1978-06-14 |
| JPS5098417A (US08197722-20120612-C00042.png) | 1975-08-05 |
| US3976473A (en) | 1976-08-24 |
| IT1027977B (it) | 1978-12-20 |
| DE2461859A1 (de) | 1975-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |