Hard material insert and core bit
    1.
    发明授权
    Hard material insert and core bit 有权
    硬质材料插入和芯钻头

    公开(公告)号:US08186460B2

    公开(公告)日:2012-05-29

    申请号:US12381267

    申请日:2009-03-09

    IPC分类号: E21B10/46

    摘要: A segmental hard material insert for a working tool has a planar polycrystalline diamond layer (13) having, in its layer plane, a main cutting element (16, 36) and a contact edge (15) located opposite the main cutting element, with the main cutting element (16, 36) having two, facing outwardly, convex cutting sections (17, 27; 37, 47) and a smooth, facing outwardly, concave transitional region (19; 39, 49) connecting the two convex cutting sections (17, 27; 37, 47), and with the apex (20; 40) of the transitional region (19; 39, 47) being located on a central line of the main cutting element (16; 36).

    摘要翻译: 用于工作工具的节段硬质材料插入件具有平面多晶金刚石层(13),其在其层平面中具有主切割元件(16,36)和与主切割元件相对定位的接触边缘(15),其中 主切割元件(16,36)具有两个面向外的凸形切割部分(17,27,37,47)和连接两个凸形切割部分的平滑的面向外的凹形过渡区域(19; 39,49) 过渡区域(19; 39,47)的顶点(20; 40)位于主切割元件(16; 36)的中心线上。

    Hard material insert
    2.
    发明申请
    Hard material insert 有权
    硬质材料插入

    公开(公告)号:US20090242278A1

    公开(公告)日:2009-10-01

    申请号:US12381267

    申请日:2009-03-09

    摘要: A segmental hard material insert for a working tool has a planar polycrystalline diamond layer (13) having, in its layer plane, a main cutting element (16, 36) and a contact edge (15) located opposite the main cutting element, with the main cutting element (16, 36) having two, facing outwardly, convex cutting sections (17, 27; 37, 47) and a smooth, facing outwardly, concave transitional region (19; 39, 49) connecting the two convex cutting sections (17, 27; 37, 47), and with the apex (20; 40) of the transitional region (19; 39, 47) being located on a central line of the main cutting element (16; 36).

    摘要翻译: 用于工作工具的节段硬质材料插入件具有平面多晶金刚石层(13),其在其层平面中具有主切割元件(16,36)和与主切割元件相对定位的接触边缘(15),其中 主切割元件(16,36)具有两个面向外的凸形切割部分(17,27,37,47)和连接两个凸形切割部分的平滑的面向外的凹形过渡区域(19; 39,49) 过渡区域(19; 39,47)的顶点(20; 40)位于主切割元件(16; 36)的中心线上。