发明名称 SPLITTING WEDGE
摘要 <p>The invention relates to a splitting wedge comprising at least a wedge (1), an external sleeve (3), and a wedge sleeve (2). The wedge sleeve (2) and the external sleeve (3) are connected to one another by providing one with a flange (8, 10) and the other with a groove (7, 9), the flange (8, 10) and the groove (7, 9) being substantially perpendicular with respect to a direction of motion (B)of the wedge (1), and by arranging the flange (8, 10) in the groove (7, 9).</p>
申请公布号 WO2010058081(A1) 申请公布日期 2010.05.27
申请号 WO2009FI50937 申请日期 2009.11.19
申请人 KIRNUVUORI OY;VANHATALO, JOUKO 发明人 VANHATALO, JOUKO
分类号 E21C37/02 主分类号 E21C37/02
代理机构 代理人
主权项
地址