发明名称 Cylindrical member maintenance device including cutting ring
摘要 The present invention provides a cylindrical member maintenance device that includes housing having a central opening for the passage of the cylindrical member and one or more cutting rings disposed within the housing for engaging the cylindrical member as the housing is moved along a length of the cylindrical member. The device may further include or more brush assemblies disposed within the housing for engaging and cleaning the cylindrical member.
申请公布号 US2009044369(A1) 申请公布日期 2009.02.19
申请号 US20070893822 申请日期 2007.08.16
申请人 HEUMANN STEVEN A;HOWARD RICHARD D 发明人 HEUMANN STEVEN A.;HOWARD RICHARD D.
分类号 B08B1/04;B66B7/12 主分类号 B08B1/04
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