Title:
FILTER FOR ALUMINUM MELT
Document Type and Number:
WIPO Patent Application WO/2011/043150
Kind Code:
A1
Abstract:
A filter for aluminum melts is provided through which an agent for crystal-grain size reduction, such as TiB2, can pass in an adequate amount and which can remove other inclusions.
The filter for aluminum melts is obtained by bonding 100 parts by weight of aggregate particles comprising alumina with 5-20 parts by weight of an inorganic binder, and is characterized in that the binder comprises 7-15 wt.% SiO2, 40-60 wt.% B2O3, and 5-30 wt.% Al2O3 and that the filter contains 0.01-0.5 wt.% Na2O, 0.01-0.5 wt.% K2O, and 0.1-0.5 wt.% CaO.
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Inventors:
KAWAGUCHI KAZUHIKO (JP)
Application Number:
PCT/JP2010/065376
Publication Date:
April 14, 2011
Filing Date:
September 08, 2010
Export Citation:
Assignee:
MITSUI MINING & SMELTING CO (JP)
KAWAGUCHI KAZUHIKO (JP)
KAWAGUCHI KAZUHIKO (JP)
International Classes:
B22D43/00; B22D21/04; B22C9/08; B22D18/04
Foreign References:
| JPH0929423A | 1997-02-04 | |||
| JP2005272962A | 2005-10-06 | |||
| JPH10286416A | 1998-10-27 | |||
| JPH05138339A | 1993-06-01 |
Attorney, Agent or Firm:
TAKEUCHI, ICHIZAWA & ASSOCIATES (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
Patent business corporation Takeuchi and an Ichizawa international patent firm (JP)
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