Rupture Cutters with High Penetration Utility
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United States of America Patent
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Issued Date -
Oct 8, 2015
app pub date -
Apr 2, 2014
filing date -
Apr 2, 2014
priority date (Note) -
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Abstract
A cutting element design that includes a base portion designed to be brazed, pressed or otherwise attached into a drill bit or reaming tool where the design of the cutting element is such that forward drilling force is concentrated in a small area to improve piercement of and/or impingement into the rock to enhance shear and rupture when the element is rotated into the rock on a drill bit. The cutting element is further enabled by the use of a thick, unitary hardened surface coating on an everted working surface to dissipate heat.
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