发明名称 METHOD FOR REMOVAL OF DENTS FROM WIND TURBINE MASTS
摘要 A method for removal of dents from wind turbine masts uses a dent pushing tool. The dent pushing tool includes a self aligning ram assembly with a central ram cylinder and removable adjustable length arms. At the end of one arm is a curved base. At the end of the other arm is a dent pusher plate. Removal of the dent is caused by extension of the central ram cylinder.
申请公布号 US2012304434(A1) 申请公布日期 2012.12.06
申请号 US201213586857 申请日期 2012.08.15
申请人 BARR HUGH C.;BARR FABRICATION 发明人 BARR HUGH C.
分类号 B21D1/08 主分类号 B21D1/08
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