E - Fixed Constructions – 21 – C
Patent
E - Fixed Constructions
21
C
94/50, 255/72, 2
E21C 35/18 (2006.01) E21B 10/56 (2006.01) E21C 35/183 (2006.01)
Patent
CA 1285266
ABSTRACT A rotatable cutting insert of the type having a shank depending from a head portion and having a hard insert mounted therein, includes an improved insert having a conically shaped tip section, a base section and an intermediate section with the maximum diameter of the tip section smaller than the diameter of the base section.
604471
Gte Valenite Corporation
R. William Wray & Associates
LandOfFree
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