发明名称 Method for 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.
申请公布号 US2008036271(A1) 申请公布日期 2008.02.14
申请号 US20070747377 申请日期 2007.05.11
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 E21C25/10 主分类号 E21C25/10
代理机构 代理人
主权项
地址