Earth-boring tools having threads for affixing a body and...

Details Earth-boring tools having threads for affixing a body and... Earth-boring tools having threads for affixing a body and...

2011-03-08

2011-03-08

Neuder, William P (Department: 3672)

Boring or penetrating the earth

With tool shaft detail

C175S331000

Reexamination Certificate

active

07900718

ABSTRACT:
Earth-boring tools comprise a shank comprising a distal connector including a set of threads thereon and a bit body comprising a shank connector, also comprising at least one set of threads thereon. The set of threads on the distal connector and the at least one set of threads on the shank connector are at least substantially bound together. Methods of forming such earth-boring tools are also disclosed, as well as methods of securing a bit body of an earth-boring tool to a shank.

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International Search Report for International Application No. PCT/US2009/063088 mailed May 31, 2010, 4 pages.
International Written Opinion for International Application No. PCT/US2009/063088 mailed May 31, 2010, 3 pages.

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