Coarse carbide substrate cutting elements and method of...

Details Coarse carbide substrate cutting elements and method of... Coarse carbide substrate cutting elements and method of...

2006-03-28

2006-03-28

Pezzuto, Robert E. (Department: 3671)

Earth working

Tool, standard or connection

Tool is transversely elongated blade

C172S681000, C175S374000, C175S426000, C175S434000, C075S236000

Reexamination Certificate

active

07017677

ABSTRACT:
Cutting elements having coarse grain substrates and ultra hard material layers are provided. The substrates are formed from coarse grain size particles of tungsten carbide. A method of forming such cutting elements and a drag bit incorporating such cutting elements are also provided.

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