Title:
NOZZLE WITH GAS INJECTION FUNCTION
Document Type and Number:
Japanese Patent JP2013184199
Kind Code:
A
Abstract:
To provide a through-hole type nozzle that keeps integrity as a structure adjacent to at least a gas discharge port of a nozzle body formed of refractory and has a gas injection function difficult to break.
In a nozzle 20 that has a function of discharging molten steel in a vessel and injects an inert gas into the molten steel, a through hole 5 as a gas passage route is provided in three-dimensional and nonlinear manner so that the entire through hole may not be included within the same plane in any virtual directions including a virtual straight line connecting an end 5a on the side of a gas pool 2 with a gas discharge port 4.
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Inventors:
KURISU JOJI
TACHIKAWA KOICHI
OTSUKA HIROSHI
TACHIKAWA KOICHI
OTSUKA HIROSHI
Application Number:
JP2012052054A
Publication Date:
September 19, 2013
Filing Date:
March 08, 2012
Export Citation:
Assignee:
KUROSAKI HARIMA CORP
International Classes:
B22D11/10; B22D41/58
Domestic Patent References:
JP2005279729A | 2005-10-13 | |||
JPH11314142A | 1999-11-16 | |||
JPH09168859A | 1997-06-30 |
Attorney, Agent or Firm:
Masu Kobori
Takato Tsutsumi
Takato Tsutsumi
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