发明名称 |
Foundry sand core removal and recycle |
摘要 |
Metal parts formed by casting in a foundry and which contain the sand cores used to form internal passages are cleared of the sand cores by subjecting them to temperatures sufficient to pyrolyze and/or combust the bonding agents holding the sand cores together, in a fluidized-bed furnace.
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申请公布号 |
US5423370(A) |
申请公布日期 |
1995.06.13 |
申请号 |
US19940206088 |
申请日期 |
1994.03.04 |
申请人 |
PROCEDYNE CORP. |
发明人 |
BONNEMASOU, RONALD;FILHO, HUGO J. D. F.;DA COSTA, LAURO;BICKFORD, KAREN;DINUNZI, ANTHONY |
分类号 |
B22D29/00;(IPC1-7):B22D29/00 |
主分类号 |
B22D29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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