CUTTING MEMBER WITH COOLANT DELIVERY
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United States of America Patent
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Issued Date -
Sep 15, 2016
app pub date -
Mar 12, 2015
filing date -
Mar 12, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A cutting member with coolant delivery that has a cutting member body with an axial forward end and an axial rearward end. The cutting member body has a shank portion adjacent the axial rearward end thereof and a cutting portion adjacent to the axial forward end. The cutting member body contains a coolant delivery passage wherein the coolant delivery passage comprises a primary cavity in the shank portion and a central coolant passage in the cutting portion and a plurality of lateral coolant passages in the cutting portion. The lateral coolant passages are a communication with the primary cavity through the central coolant passage. Each of the lateral coolant passages has an open end through which coolant exits the cutting member. The cutting portion is of a first grade of hard material, and the shank portion is of a second grade of hard material wherein the first grade of hard material is different from the second grade of hard material.
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