Hard material bit
    1.
    发明授权
    Hard material bit 有权
    硬材料位

    公开(公告)号:US07549491B2

    公开(公告)日:2009-06-23

    申请号:US11796042

    申请日:2007-04-25

    IPC分类号: E21B10/36

    摘要: A hard material bit for a rotary-percussion tool (2) includes at least one cutting edge (3), a bottom surface (6) located opposite the at least one cutting edge (3), and at least one attachment surface (8) and at least one free surface (10) both extending transverse to the bottom surface (6) and forming, respectively, a piecewise extending first chamfer (9a) and second chamfer (9b), with the second chamfer (9b) having a width greater than a width of the first chamfer (9a).

    摘要翻译: 用于旋转冲击工具(2)的硬质材料钻头包括至少一个切割边缘(3),与至少一个切割边缘(3)相对定位的底部表面(6),以及至少一个附接表面(8) 以及至少一个横向于所述底表面(6)延伸并且分别形成分段延伸的第一倒角(9a)和第二倒角(9b)的自由表面(10),所述第二倒角(9b)具有更大的宽度 比第一倒角(9a)的宽度大。

    Hard material bit
    2.
    发明申请
    Hard material bit 有权
    硬材料位

    公开(公告)号:US20070251733A1

    公开(公告)日:2007-11-01

    申请号:US11796042

    申请日:2007-04-25

    IPC分类号: E21B10/36

    摘要: A hard material bit for a rotary-percussion tool (2) includes at least one cutting edge (3), a bottom surface (6) located opposite the at least one cutting edge (3), and at least one attachment surface (8) and at least one free surface (10) both extending transverse to the bottom surface (6) and forming, respectively, a piecewise extending first chamfer (9a) and second chamfer (9b), with the second chamfer (9b) having a width greater than a width of the first chamfer (9a).

    摘要翻译: 用于旋转冲击工具(2)的硬质材料钻头包括至少一个切割边缘(3),与至少一个切割边缘(3)相对定位的底部表面(6),以及至少一个附接表面(8) 以及至少一个横向于所述底表面(6)延伸并且分别形成分段延伸的第一倒角(9a)和第二倒角(9b)的自由表面(10),所述第二倒角(9b)具有 宽度大于第一倒角(9a)的宽度。

    Rock drill
    3.
    发明授权
    Rock drill 有权
    摇滚钻

    公开(公告)号:US07021872B2

    公开(公告)日:2006-04-04

    申请号:US10298750

    申请日:2002-11-18

    IPC分类号: B23B51/02

    摘要: A rock drill (1) for cutting rock comprising an elongated, helical shaft (2), which has, at one end, an insertion part (3) and, at the end opposite, a tool head (4) with cutters (5) made of hard material, wherein the helical shaft (2) is at least partially coated with a colored layer (7a, 7b) and the layer forms a lengthwise running wear indicator marking (8) inside the helical groove (8).

    摘要翻译: 一种用于切割岩石的凿岩机(1),包括细长的螺旋轴(2),所述螺旋轴在一端具有插入部分(3),并且在相对的端部具有切割器(5)的工具头部(4) 由硬质材料制成,其中所述螺旋轴(2)至少部分地涂覆有着色层(7a,7b),并且所述层在所述螺旋槽(8)内部形成纵向运行的磨损指示器标记​​(8)。

    Drill with a hard material drilling head
    4.
    发明申请
    Drill with a hard material drilling head 审中-公开
    用硬质钻头钻

    公开(公告)号:US20080118317A1

    公开(公告)日:2008-05-22

    申请号:US11985832

    申请日:2007-11-16

    申请人: Thorsten Assel

    发明人: Thorsten Assel

    IPC分类号: B23B41/00 B23B51/00 B23B39/00

    摘要: A one-piece drilling head (4), which is securable, in a material-locking manner, on an axial end of a helical shaft of a drill, is formed of a hard material and has four radially extending, in a cross-shaped manner, legs (5) forming respective cutting edges (6), and a tangential reinforcement (7) provided at a radially outer rim of each leg (5) in an axial region of a cutting edge (6).

    摘要翻译: 一种能够以材料锁定方式固定在钻头的螺旋轴的轴向端部的单件式钻头(4)由硬质材料形成,并且具有四个径向延伸的十字形 形成相应的切割刃(6)的腿部(5)和设置在切割刃(6)的轴向区域中的每个腿部(5)的径向外边缘处的切向加强件(7)。