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Improved diamond coring bits developed for dry and chip-flush drillingTwo rotary diamond bit designs, one operating with a chip-flushing fluid, the second including auger section to remove drilled chips, enhance usefulness of tool for exploratory and industrial core-drilling of hard, abrasive mineral deposits and structural masonry.
Document ID
19710000356
Document Type
Other - NASA Tech Brief
Authors
Decker, W. E. (WESTINGHOUSE ELEC. CORP.)
Hampe, W. R.
Hampton, W. H.
Simon, A. B.
Date Acquired
August 6, 2013
Publication Date
September 1, 1971
Subject Category
MACHINERY
Report/Patent Number
MFS-21111
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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