06564884 is referenced by 14 patents.

Using inserts which are welded in place allows the use of hardfacing in the immediate vicinity of the inserts. Areas of high wear, such as cutting structures and gage areas, can use a combination of ultra-hard inserts with hardfacing for protection against wear. The inserts slows wear, while the hardfacing prevents erosion around the inserts.

Title
Wear protection on a rock bit
Application Number
9/872494
Publication Number
6564884 (B2)
Application Date
May 31, 2001
Publication Date
May 20, 2003
Inventor
Jay S Bird
Cedar Hill
TX, US
Agent
Robert O Groover III
US
Assignee
Halliburton Energy Services
TX, US
IPC
E21B 10/52
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