Cutting element with interlocking feature

Details Cutting element with interlocking feature Cutting element with interlocking feature

B - Operations, Transporting

23

B

B23B 51/00 (2006.01) B23B 27/14 (2006.01) E21B 10/46 (2006.01) E21B 10/56 (2006.01)

Patent

CA 2262264

A cutting element having a body which includes a grip portion from which extends a protrusion which is concentric to the grip portion. The diameter of the grip portion is larger than the diameter of the protrusion. Moreover, the upper portion of the protrusion has a larger diameter than the base of the protrusion. An ultra hard material cutting layer is formed on top of the protrusion and grip, covering and surrounding the protrusion resulting in a cutting layer that is mechanically interlocked with the body of the cutting element. A transition layer may be incorporated between the protrusion and the ultra hard material layer. The transition layer is preferably encapsulated by the ultra hard material layer.

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