Inserts for drilling bits
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United States of America Patent
Stats
-
Jun 15, 1982
Grant Date -
N/A
app pub date -
Jun 5, 1980
filing date -
Jun 5, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Inserted hard metal cutting elements are disclosed which are advantageous for inserting into the cutters of drilling bits used in drilling underground formations. The inserted cutting elements comprise asymmetrical inserts placed in at least one row of a cutter in alternating alignment circumferentially therearound.
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