E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/28
E21B 17/10 (2006.01) F16C 29/00 (2006.01) F16C 33/24 (2006.01) F16L 57/00 (2006.01)
Patent
CA 1037946
TOOL JOINT WEAR PROTECTORS ABSTRACT A tool joint for well drilling pipe includes a body having a wear protector including a split ring disposed in an annular groove in the tool joint body, the ring segments being welded together and to the groove portion of the body. Hardmetal elements secured in the outer periphery of the ring are irregularly distributed, with the distribution or density of the hardmetal elements being greatest adjacent to the end of the tool joint body and progres- sively less inwardly from the end of the tool joint body.
249856
Exner Gerhard
Jurgens Rainer
LandOfFree
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