发明申请
- 专利标题: ALUMINA-BASED FILLING SAND FOR SLIDING NOZZLE
- 专利标题(中): 用于滑动喷嘴的基于铝的填充砂
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申请号: PCT/JP2015/001674申请日: 2015-03-24
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公开(公告)号: WO2015146157A1公开(公告)日: 2015-10-01
- 发明人: KAWAKAMI, Manabu , NISHIDA, Yoshikatsu
- 申请人: YAMAKAWA SANGYO CO., LTD.
- 申请人地址: 3-27, Nishinagasucho 1-chome, Amagasaki-shi, Hyogo 6600805 JP
- 专利权人: YAMAKAWA SANGYO CO., LTD.
- 当前专利权人: YAMAKAWA SANGYO CO., LTD.
- 当前专利权人地址: 3-27, Nishinagasucho 1-chome, Amagasaki-shi, Hyogo 6600805 JP
- 代理机构: NOGAWA, Shintaro et al.
- 优先权: JP2014-064582 20140326
- 主分类号: B22D41/46
- IPC分类号: B22D41/46 ; C21C5/46
摘要:
An alumina-based filling sand for sliding nozzle comprising at least 50 wt% of mixed sand including 20 to 90 vol% of alumina sand and 80 to 10 vol% of silica sand, wherein the alumina sand has surface irregularities of 1.3 or less and comprises 50 wt% or more of an Al 2 O 3 component.