Solid material comminution or disintegration – Apparatus – Helical pusher inside tube moves material toward perforated...
Reexamination Certificate
2011-03-15
2011-03-15
Miller, Bena (Department: 3725)
Solid material comminution or disintegration
Apparatus
Helical pusher inside tube moves material toward perforated...
C241S082500, C241S082700
Reexamination Certificate
active
07905436
ABSTRACT:
A pair of lugs in an opening of a grinding head of a grinding machine and a pair of corresponding openings in an orifice plate of a grinding machine are disclosed to properly orient the plate in the head during assembly. The lugs are preferably of two different sizes so that the orifice plate will only fit into the head in one orientation. The lugs may differ in size such that the person assembling the grinding machine will be able to visualize the correct orientation based on the size of the lugs and corresponding openings.
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Albrecht Christopher E.
Lesar Nick J.
Boyle Fredrickson , S.C.
Miller Bena
Weiler and Company, Inc.
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