<p>An expandable reaming tool including at least two reamer pads (32A) connected to a tool body. The reamer pads are adapted to be displaced between a retracted position and an expanded position. At least one spiral blade (50) is formed on at least one reamer pad. A plurality of cutting elements (52) are disposed on the at least one spiral blade. <IMAGE></p>
申请公布号
EP1283324(A2)
申请公布日期
2003.02.12
申请号
EP20020102104
申请日期
2002.08.07
申请人
SMITH INTERNATIONAL, INC.
发明人
HOFFMASTER, CARL M.;TRUAX, DAVID K.;BEATON, TIMOTHY P.
