BR9900824A - Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas. - Google Patents
Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas.Info
- Publication number
- BR9900824A BR9900824A BR9900824-6A BR9900824A BR9900824A BR 9900824 A BR9900824 A BR 9900824A BR 9900824 A BR9900824 A BR 9900824A BR 9900824 A BR9900824 A BR 9900824A
- Authority
- BR
- Brazil
- Prior art keywords
- alloys
- containers containing
- gas injection
- injection system
- containing molten
- Prior art date
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
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/48—Bottoms or tuyéres of converters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9900824-6A BR9900824A (pt) | 1999-03-01 | 1999-03-01 | Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas. |
US09/348,628 US6231806B1 (en) | 1999-03-01 | 1999-07-06 | System for the injection of gasses into containers containing metals or fused alloys |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9900824-6A BR9900824A (pt) | 1999-03-01 | 1999-03-01 | Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9900824A true BR9900824A (pt) | 2000-03-14 |
Family
ID=4072068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9900824-6A BR9900824A (pt) | 1999-03-01 | 1999-03-01 | Sistema de injeção de gases em recipientes contendo metais ou ligas fundidas. |
Country Status (2)
Country | Link |
---|---|
US (1) | US6231806B1 (pt) |
BR (1) | BR9900824A (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2399106B1 (en) * | 2009-02-18 | 2019-01-23 | Heraeus Electro-Nite International N.V. | Temperature measuring device |
WO2013172975A1 (en) | 2012-05-18 | 2013-11-21 | Vesuvius Crucible Company | Purge plug |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3802657C1 (pt) * | 1988-01-29 | 1989-09-21 | Didier-Werke Ag, 6200 Wiesbaden, De | |
AT388936B (de) * | 1988-04-13 | 1989-09-25 | Veitscher Magnesitwerke Ag | Feuerfester, gasdurchlaessiger spuelstein |
DE3833503A1 (de) * | 1988-10-01 | 1990-04-05 | Didier Werke Ag | Gasspuelstein |
US5249778A (en) * | 1992-04-14 | 1993-10-05 | Dolomitwerke Gmbh | Gas stir plug device with visual wear indicator |
US5421561A (en) * | 1993-11-15 | 1995-06-06 | Martin & Pagenstecher, Inc. | Gas stir devices with refractory material erosion depth indicator and method of making the same |
US5435528A (en) * | 1994-04-12 | 1995-07-25 | Reynolds Metals Company | Porous plug structure for aluminum furances |
US5478053A (en) * | 1995-04-10 | 1995-12-26 | North American Refractories Co. Inc. | Refractory gas purging device |
-
1999
- 1999-03-01 BR BR9900824-6A patent/BR9900824A/pt not_active IP Right Cessation
- 1999-07-06 US US09/348,628 patent/US6231806B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6231806B1 (en) | 2001-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FF | Decision: intention to grant | ||
HO | Change of classification |
Free format text: ALTERADA DA INT. CL. 7 F27B 3/22, 5/16, 7/36, 1/16 |
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FG9A | Patent or certificate of addition granted | ||
B25A | Requested transfer of rights approved |
Owner name: RPAR HOLDING S.A. (BR/MG) Free format text: TRANSFERIDO POR INCORPORACAO DE: MAGNESITA S/A. |
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Owner name: MAGNESITA REFRATARIOS S.A. (BR/MG) Free format text: ALTERADO DE: RPAR HOLDING S.A. |
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B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 11A E 12A ANUIDADES. |
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B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA. |
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B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 11A E 12A ANUIDADES. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |