BRPI0307897A2 - processo para a descarbonização profunda de massas fundidas de aço. - Google Patents
processo para a descarbonização profunda de massas fundidas de aço.Info
- Publication number
- BRPI0307897A2 BRPI0307897A2 BRPI0307897A BR0307897A BRPI0307897A2 BR PI0307897 A2 BRPI0307897 A2 BR PI0307897A2 BR PI0307897 A BRPI0307897 A BR PI0307897A BR 0307897 A BR0307897 A BR 0307897A BR PI0307897 A2 BRPI0307897 A2 BR PI0307897A2
- Authority
- BR
- Brazil
- Prior art keywords
- steel castings
- decarbonization
- deep
- deep decarbonization
- castings
- Prior art date
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
-
- 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
- C21C5/4606—Lances or injectors
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02004014 | 2002-02-22 | ||
PCT/EP2003/001799 WO2003070990A1 (de) | 2002-02-22 | 2003-02-21 | Verfahren zur tiefentkohlung von stahlschmelzen |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0307897A2 true BRPI0307897A2 (pt) | 2016-06-21 |
Family
ID=27741107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0307897A BRPI0307897A2 (pt) | 2002-02-22 | 2003-02-21 | processo para a descarbonização profunda de massas fundidas de aço. |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050109161A1 (pt) |
EP (1) | EP1476584A1 (pt) |
JP (1) | JP2005517812A (pt) |
KR (1) | KR100889073B1 (pt) |
CN (1) | CN1650035A (pt) |
AU (1) | AU2003210336A1 (pt) |
BR (1) | BRPI0307897A2 (pt) |
WO (1) | WO2003070990A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101441187B (zh) * | 2008-12-22 | 2012-02-08 | 辽宁科技学院 | 一种rh真空精炼顶枪喷粉测试装置及方法 |
JP6337681B2 (ja) * | 2014-08-12 | 2018-06-06 | 新日鐵住金株式会社 | 溶鋼の減圧精錬方法 |
CN105463210A (zh) * | 2015-12-26 | 2016-04-06 | 杨伟燕 | 一种高杂质铜精矿的冶炼方法 |
CN106979452A (zh) * | 2017-04-20 | 2017-07-25 | 常州汇丰粉末冶金有限公司 | 含油轴承真空注油机及其注油方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1337846C (en) * | 1988-06-21 | 1996-01-02 | Hiroshi Nishikawa | Process for vacuum degassing and decarbonization with temperature drop compensating feature |
JP2859709B2 (ja) * | 1990-06-29 | 1999-02-24 | 川崎製鉄株式会社 | 減圧下における溶融金属の酸素吹錬方法 |
KR100270113B1 (ko) * | 1996-10-08 | 2000-10-16 | 이구택 | 극저탄소강의 용강 제조장치 |
-
2003
- 2003-02-21 AU AU2003210336A patent/AU2003210336A1/en not_active Abandoned
- 2003-02-21 JP JP2003569881A patent/JP2005517812A/ja active Pending
- 2003-02-21 US US10/505,610 patent/US20050109161A1/en not_active Abandoned
- 2003-02-21 CN CNA038091054A patent/CN1650035A/zh active Pending
- 2003-02-21 WO PCT/EP2003/001799 patent/WO2003070990A1/de active Application Filing
- 2003-02-21 BR BRPI0307897A patent/BRPI0307897A2/pt not_active IP Right Cessation
- 2003-02-21 KR KR1020047012963A patent/KR100889073B1/ko not_active IP Right Cessation
- 2003-02-21 EP EP03742571A patent/EP1476584A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2003070990A1 (de) | 2003-08-28 |
EP1476584A1 (en) | 2004-11-17 |
JP2005517812A (ja) | 2005-06-16 |
AU2003210336A1 (en) | 2003-09-09 |
CN1650035A (zh) | 2005-08-03 |
KR100889073B1 (ko) | 2009-03-17 |
US20050109161A1 (en) | 2005-05-26 |
KR20040091653A (ko) | 2004-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 8A,9A,10A.11A,12A E 13A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2376 DE 19-07-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |