Cutting element with interlocking feature

Details Cutting element with interlocking feature Cutting element with interlocking feature

1998-03-25

1999-03-30

Scherbel, David A.

Stone working

Tools

451540, 175428, B28D 504

Patent

active

058875808

ABSTRACT:
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.

REFERENCES:
patent: 4629373 (1986-12-01), Hall
patent: 4861350 (1989-08-01), Phaal et al.
patent: 5120327 (1992-06-01), Dennis
patent: 5379854 (1995-01-01), Dennis
patent: 5605199 (1997-02-01), Newton

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