Diamond impregnated bit with aggressive face profile
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United States of America Patent
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May 2, 2017
Grant Date -
Sep 24, 2015
app pub date -
Jun 5, 2015
filing date -
Aug 14, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drill bit having a shank and a crown. The crown defines a central axis and has at least one fixed segment. Each fixed segment has a cutting face and a plurality of surface features that are continuous with a distal surface of the cutting face. The plurality of surface features and a distal portion of the cutting face of each segment are integrally formed of a selected matrix material, and each surface feature consists solely of the selected matrix material. The matrix of the selected matrix material is configured to erode to expose abrasive particles within the matrix.
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