发明名称 Manipulator for hollow objects
摘要 A device for gripping the interior of a tubular object to pull it out of a body in which it has become stuck includes an expandable rubber tube having a plurality of metal cables lodged in the exterior of the rubber tube so as to protrude slightly therefrom, means for inflating the tube and means for pulling the tube longitudinally of the tubular object.
申请公布号 US4006930(A) 申请公布日期 1977.02.08
申请号 US19610096051 申请日期 1961.03.15
申请人 THE UNITED STATES OF AMERICA AS REPRESENTED BY THE UNITED STATES ENERGY RESEARCH AND DEVELOPMNENT ADMINISTRATION 发明人 CAWLEY, WILLIAM E.;FRANTZ, CHARLES E.
分类号 B25B27/02;B66C1/46;G21C19/26 主分类号 B25B27/02
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