Title:
REFRACTORY FOR STEEL CASTING, PLATE FOR SLIDING NOZZLE DEVICE, AND METHOD FOR PRODUCING REFRACTORY FOR STEEL CASTING
Document Type and Number:
WIPO Patent Application WO/2015/129745
Kind Code:
A1
Abstract:
The present invention addresses the problem of suppressing the breakdown of a refractory containing metal aluminium. This refractory for steel casting contains 1-10 mass%, inclusive, of free carbon and 1-15 mass%, inclusive, of metal aluminium, the balance comprising a refractory material including a metal oxide, and is characterized in that formula (1) is satisfied when the metal aluminium content in the refractory is termed Al mass%, the apparent porosity is termed P%, and the bulk density is termed D. 0.31xAl ≤ (P-4)/D ∙∙∙ Formula (1)
Inventors:
MAKINO TARO (JP)
ITO KAZUO (JP)
AKAMINE KEIICHIRO (JP)
ITO KAZUO (JP)
AKAMINE KEIICHIRO (JP)
Application Number:
PCT/JP2015/055388
Publication Date:
September 03, 2015
Filing Date:
February 25, 2015
Export Citation:
Assignee:
KROSAKIHARIMA CORP (JP)
International Classes:
B22D41/32; B22D11/10; C04B35/103
Domestic Patent References:
| WO2009119683A1 | 2009-10-01 |
Foreign References:
| JP2000094121A | 2000-04-04 | |||
| JPS55107749A | 1980-08-19 | |||
| JP2012200733A | 2012-10-22 | |||
| JPS6029664B2 | 1985-07-11 |
Other References:
See also references of EP 3112054A4
Attorney, Agent or Firm:
EIWA PATENT FIRM (JP)
Patent business corporation English-Japanese patent firm (JP)
Patent business corporation English-Japanese patent firm (JP)
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