DUST PROTECTION FOR HPGR
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 20, 2012
filing date -
Apr 20, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a roller crusher of the type which comprises a pair of crushing rollers is provided. The crushing rollers are generally parallel to one another and rotate in opposite directions, each roller including a shaft which has end portions, mounted in respective roller bearings. The roller crusher comprises a feeding arrangement for feeding material to be crushed to a crushing zone of the roller crusher. The roller crusher is characterized in that it further comprises a dust protecting enclosure enclosing the crushing zone, the dust protecting enclosure having an inlet opening upstream of the crushing zone and in communication with said feeding arrangement, and an outlet opening downstream of the crushing zone, and in that the roller bearings are arranged outside of the dust protecting enclosure.
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