CIRCULAR SAW BLADE
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United States of America Patent
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Apr 21, 2016
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May 7, 2015
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Abstract
In a circular saw blade, cutting teeth are joined to tooth bodies projecting outward in a radial direction at locations on an outer periphery of a disk-shaped metal base, gullets are provided between the tooth bodies so as to be recessed in the radial direction, radial clearance angles of side cutting edges of the cutting teeth are greater than −1° and less than 1°, and a vibration prevention mechanism for preventing vibration of the metal base itself is provided. A ratio of a difference between a maximum value and a minimum value of pitches of the multiple cutting teeth to an average value of the pitches is 40% to 100%. A ratio of a difference between a maximum value and a minimum value of average values of depths of the adjacent gullets to an average value of depths of the gullets may be 20% to 100%.
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