发明名称 |
Method of providing a degradation drum |
摘要 |
In one aspect of the invention a degradation drum comprises a generally cylindrical body comprising inner and outer diameters. At least one degradation assembly is disposed on the outer diameter and it comprises a holder and a pick shank secured within a bore of the holder. At least one lubricant reservoir is disposed within the inner diameter and is in fluid communication with the bore of the holder through a fluid pathway. In some embodiments, the lubricant reservoir maintains a fluid pressure on the pick shank.
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申请公布号 |
US7862126(B2) |
申请公布日期 |
2011.01.04 |
申请号 |
US20080969805 |
申请日期 |
2008.01.04 |
申请人 |
HALL DAVID R;WILDE TYSON J;MILLS JAD A |
发明人 |
HALL DAVID R.;WILDE TYSON J.;MILLS JAD A. |
分类号 |
E01C23/00 |
主分类号 |
E01C23/00 |
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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