Rotary drill bit with abrasion and erosion resistant facing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 5, 1989
Grant Date -
N/A
app pub date -
Mar 31, 1988
filing date -
Mar 31, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary drill bit is provided for boring earth formations which includes a bit blank and a metal matrix secured to the blank. The metal matrix includes a filler material dispersed therein. Cutting elements are mounted on the exterior face of the bit, and substantially all of the exposed internal and external surfaces of the bit are coated with an erosion and abrasion resistant hardfacing material bonded to the metal matrix.
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