| 发明名称 |
Vibrating pipe straightener |
| 摘要 |
A straightener for removing dents from an installed section of pipe. The inventive device includes a tapered body positionable within the pipe. A vibrating assembly within the body removes dents from the pipe as the device is pulled therethrough.
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| 申请公布号 |
US5485739(A) |
申请公布日期 |
1996.01.23 |
| 申请号 |
US19950393663 |
申请日期 |
1995.02.24 |
| 申请人 |
GRIMMETT, JAMES G. |
发明人 |
GRIMMETT, JAMES G. |
| 分类号 |
B21D3/14;(IPC1-7):B21D1/08 |
主分类号 |
B21D3/14 |
| 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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