Shaped Cutter For Drill Bit With Point-Loaded Reinforcing Ribs
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Dec 12, 2022
filing date -
Dec 12, 2022
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Abstract
A shaped cutter is disclosed for use on a drill bit. In one or more example, the shaped cutter includes a substrate including a proximal end and a distal end and defining a cutter axis extending between the proximal and distal ends. A cutting table secured to the proximal end of the substrate includes a cutting face with a central boss axially extending from the cutting face and a plurality of ribs radially extending across the cutting face from the boss to a periphery of the cutting table. The cutting face may recede axially from the periphery towards the central boss, such as by defining a planar section, a plurality of intersecting planar sections, and/or a concave (e.g., frustoconical) shape between adjacent ribs.
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