| 发明名称 |
Shuttle for a tumbling operation |
| 摘要 |
A device for shielding a particular area of an irregularly shaped article during a tumbling operation, thereby to protect this area from the action of the tumbling medium.
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| 申请公布号 |
US4447992(A) |
申请公布日期 |
1984.05.15 |
| 申请号 |
US19810303678 |
申请日期 |
1981.09.18 |
| 申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
BERGQUIST, EVERETT J. |
| 分类号 |
B24B31/12;B24B41/06;(IPC1-7):B24B31/00 |
主分类号 |
B24B31/12 |
| 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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