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AssigneeMetso USA Inc.
InventorsJulian Arnold Bublitz, Brandon John Schuerman, Nicholas Joseph Mayfield, Vadim Reznitchenko, Kristen Santos
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The disclosure relates to a roller crusher having two generally parallel rollers arranged to rotate in opposite directions, towards each other, and separated by a gap, each roller having two ends, the roller crusher comprising: a flange attached to at least one of the ends of one of the rollers, the flange extending in a radial direction of the roller, the flange having a height above an outer surface of the roller, wherein the roller crusher further comprises at least one scraper arranged at an end of the roller with a flange for at least partially removing material accumulated on the flange and/or on the outer surface at the end of the roller. According to the invention, the at least one scraper comprises a scraping element having a scraping surface which scraping surface comprises a polycrystalline diamond (PCD).
A roller crusher having two generally parallel rollers arranged to rotate in opposite directions, towards each other, and separated by a gap, each roller having two ends, the roller crusher comprising:
Dependencies are inferred from the claim text.