BR9910943A - Continuous casting nozzle for cast steel - Google Patents
Continuous casting nozzle for cast steelInfo
- Publication number
- BR9910943A BR9910943A BR9910943-3A BR9910943A BR9910943A BR 9910943 A BR9910943 A BR 9910943A BR 9910943 A BR9910943 A BR 9910943A BR 9910943 A BR9910943 A BR 9910943A
- Authority
- BR
- Brazil
- Prior art keywords
- continuous casting
- cast steel
- casting nozzle
- nozzle
- refractory
- Prior art date
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
Patente de Invenção: <B>"BOCAL DE LINGOTAMENTO CONTìNUO PARA AçO FUNDIDO"<D>. Bocal de lingotamento contínuo para lingotar aço fundido, em que pelo menos uma camada de superfície de uma cavidade interna do bocal de lingotamento contínuo em contato com um aço fundido é formada de um refratário compreendendo: um agregado consistindo essencialmente em alumina (Al~ 2~O~ 3~) ou um agregado compreendendo alumina (Al~ 2~O~ 3~) como seu principal ingrediente e seu ponto de fusão sendo pelo menos 1800 graus centígrados: de 15 a 60% em peso e <B><MU>roseki<MV><D> como saldo. Ao refratário é adicionada uma resina termofixa como aglutinante, amassado, formado, e sinterizado em uma atmosfera anti oxidante.Invention Patent: <B> "CONTINUOUS CASTING NOZZLE FOR CAST STEEL" <D>. Continuous caster nozzle for casting molten steel, in which at least one surface layer of an internal cavity of the caster in contact with molten steel is formed of a refractory comprising: an aggregate consisting essentially of alumina (Al ~ 2 ~ ~ 3 ~) or an aggregate comprising alumina (Al ~ 2 ~ O ~ 3 ~) as its main ingredient and its melting point being at least 1800 degrees centigrade: from 15 to 60% by weight and <B> <MU> roseki <MV> <D> as a balance. A thermoset resin is added to the refractory as a binder, kneaded, formed, and sintered in an anti-oxidant atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR9910943-3A BR9910943A (en) | 1999-04-05 | 1999-04-05 | Continuous casting nozzle for cast steel |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1999/001787 WO2000059657A1 (en) | 1997-10-08 | 1999-04-05 | Continuous casting nozzle |
| BR9910943-3A BR9910943A (en) | 1999-04-05 | 1999-04-05 | Continuous casting nozzle for cast steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9910943A true BR9910943A (en) | 2001-10-09 |
Family
ID=25665394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9910943-3A BR9910943A (en) | 1999-04-05 | 1999-04-05 | Continuous casting nozzle for cast steel |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BR9910943A (en) |
-
1999
- 1999-04-05 BR BR9910943-3A patent/BR9910943A/en not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
|
| 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 2384 DE 13-09-2016 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. |