CUTTING HEAD HAVING SEGMENTED CUTTING DISC
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United States of America Patent
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Issued Date -
Jul 9, 2020
app pub date -
Mar 16, 2020
filing date -
May 27, 2016
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Abstract
A cutting device for engaging a rock face includes a disc body supported for rotation about an axis of rotation, and a plurality of peripheral portions removably secured to the disc body. Each of the peripheral portions including a plurality of cutting bits positioned on a peripheral edge. The peripheral edge of each peripheral portion is aligned with the peripheral edges of adjacent peripheral portions.
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