发明申请
- 专利标题: Method for Casting Core Removal
- 专利标题(中): 铸造铁芯去除方法
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申请号: US11770071申请日: 2007-06-28
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公开(公告)号: US20080011445A1公开(公告)日: 2008-01-17
- 发明人: James Beals , Gary Lomasney , Joseph Parkos
- 申请人: James Beals , Gary Lomasney , Joseph Parkos
- 申请人地址: US CT Hartford
- 专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人地址: US CT Hartford
- 主分类号: B22D29/00
- IPC分类号: B22D29/00
摘要:
To destructively remove a refractory metal casting core from a cast part the part is exposed to a combination of nitric acid and sulfuric acid.
公开/授权文献
- US07882884B2 Method for casting core removal 公开/授权日:2011-02-08
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