Apparatus for fracturing and method for producing fractured fragments
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United States of America Patent
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Feb 17, 2015
Grant Date -
Apr 25, 2013
app pub date -
Oct 16, 2012
filing date -
Oct 21, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for fracturing in which: a fracturing tooth is formed so that a base-end portion has a larger diameter than that of a top-end portion, and a tapered part is formed at the base-end portion so as to expand from the top toward the base; a fixing cover is formed along a longitudinal direction of rolls; in the fixing cover, fixing holes for fracturing teeth are formed along the longitudinal direction so that the fracturing tooth is inserted therein; each of the fixing holes has a slope in which the tapered part is in contact at a surface; a fracturing teeth unit is fixed to the roll in a state in which the top-end portion of the fracturing tooth is protruded from the fixing hole radially-outwardly of the roll and the tapered part is wedged between the slope of the fixing hole and the roll.
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