Solid material comminution or disintegration – Processes – Subjecting material to impact by moving comminuting surface
Reexamination Certificate
2011-06-14
2011-06-14
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Processes
Subjecting material to impact by moving comminuting surface
C241S101761, C241S186400
Reexamination Certificate
active
07959097
ABSTRACT:
Grinding members on a grinding drum are arranged to move the material to be reduced laterally across the drum. The drum may be used in a tub grinder where the tub is configured to rotate about a vertical axis. In a tub grinder environment, the drum extends through the grinding floor, is configured to rotate about a horizontal axis, and includes cutters arranged in a right-handed helical pattern on the drum.
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Merchant & Gould P.C.
Rosenbaum Mark
Vermeer Manufacturing Company
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