CUTTING TOOL HAVING HARD TIP WITH LOBES
    2.
    发明申请
    CUTTING TOOL HAVING HARD TIP WITH LOBES 审中-公开
    切割工具,带有拉杆的硬尖

    公开(公告)号:WO1994013932A1

    公开(公告)日:1994-06-23

    申请号:PCT/US1993010290

    申请日:1993-10-27

    CPC classification number: E21C35/197 E21C35/183 E21C2035/1806 E21C2035/1816

    Abstract: A cutting tool (20) for use in excavating an earth formation comprising an elongate tool body (22) having a hard tip (26) being affixed to the forward end thereof. The hard tip (26) has a plurality of integral, coaxial sections including an integral ribbed section which presents a plurality of longitudinal ribs (62) about the circumference thereof. The tip (26) further includes an integral lobed base section (94) which presents a plurality of radially extending lobes (96). An integral transition region provides a transition between the ribbed section and the base section (94).

    Abstract translation: 一种用于挖掘地层的切割工具(20),包括具有固定在其前端的硬尖端(26)的细长工具本体(22)。 硬尖端(26)具有多个整体的同轴部分,其包括整体肋状部分,该部分围绕其圆周呈现多个纵向肋条(62)。 尖端(26)还包括一个整体的叶形基部(94),其呈现多个径向延伸的凸角(96)。 整体过渡区域提供肋状部分和基部部分(94)之间的过渡。

Patent Agency Ranking