Apparatus for shearing and breaking nonferrous casting
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United States of America Patent
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Oct 7, 2014
Grant Date -
May 30, 2013
app pub date -
Aug 18, 2011
filing date -
Aug 19, 2010
priority date (Note) -
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Abstract
An apparatus for shearing and breaking nonferrous castings of the present invention includes a first cutter unit and a second cutter unit disposed in a frame. Each of the first cutter unit and the second cutter unit includes at least an intermediate cutter unit located at the intermediate stage and a lower cutter unit located at the lower stage. Each of the intermediate cutter units is a multi-vertex cutter part formed into a multi-vertex shape by rhombic cutting edges and crucial cutting edges connected to the respective intersections of diagonals of the rhombic cutting edges. The lower cutter units respectively have a concave cutting edge and a convex cutting edge which are engaged with a gap being formed therebetween.
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