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    • 22. 发明申请
    • CUTTING ELEMENTS FOR EARTH-BORING TOOLS, EARTH-BORING TOOLS INCLUDING SUCH CUTTING ELEMENTS AND RELATED METHODS
    • 用于接地工具的切割元件,包括这种切割元件的接地工具及相关方法
    • US20130068534A1
    • 2013-03-21
    • US13472377
    • 2012-05-15
    • Anthony A. DiGiovanniRudolf Carl Pessier
    • Anthony A. DiGiovanniRudolf Carl Pessier
    • E21B10/36B23P15/32
    • E21B10/55B22F2005/001B23H7/00B23P15/28B24C1/04E21B7/00E21B10/5673Y10T29/49
    • Cutting elements, earth-boring drill bits having such cutting elements and related methods are described herein. In some embodiments, a cutting element for an earth-boring tool may include a superabrasive table having a recessed surface in a cutting face thereof and a shaped feature in a substrate at the interface between the superabrasive table and the substrate, the shaped feature corresponding to the recessed surface in the cutting face of the superabrasive table. In further embodiments, a cutting element for an earth-boring tool may comprise a superabrasive table positioned on a substrate, and at least one substantially planar recessed surface in a cutting face of the superabrasive table. In yet additional embodiments, a cutting element for an earth-boring tool may comprise a superabrasive table positioned on a substrate, and at least one non-planar recessed surface in a cutting face of the superabrasive table.
    • 这里描述了切割元件,具有这种切割元件的钻孔钻头和相关方法。 在一些实施例中,用于钻孔工具的切割元件可以包括在其切割面中具有凹入表面的超级磨料台和位于超级研磨台与基底之间的界面处的基底中的成形特征,所述成形特征对应于 在超级磨料台的切割面中的凹陷表面。 在另外的实施例中,用于钻孔工具的切割元件可以包括位于基底上的超级研磨台,以及在超级磨料台的切割面中的至少一个基本平坦的凹入表面。 在另外的实施例中,用于钻孔工具的切割元件可以包括位于基底上的超级研磨台,以及超研磨台的切割面中的至少一个非平面凹入表面。