Tooth for roller crusher
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United States of America Patent
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Sep 13, 2016
Grant Date -
Jul 17, 2014
app pub date -
Jan 15, 2014
filing date -
Jan 15, 2013
priority date (Note) -
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Abstract
An improved tooth for a roller crusher is presented. The tooth can include a first tungsten carbide overlay layer plasma-transfer arc welded on a recessed hemispherical end of the tooth, which is covered by a wearable cap placed over the first overlay layer, the cap welded to the tooth. A second tungsten carbide overlay layer can then be plasma-transfer arc welded over the cap to, thereby, provide a tooth having two tungsten carbide overlay wear layers.
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