Appeal No. 96-3376
Application 08/164,889
APPENDIX
30. A mixer comprising:
a rotor and a stator disposed in said housing, said
stator and rotor having complimentary [sic] shaped cooperating
surfaces spaced to define annular mixing volumes;
a rotor drive mechanism having a drive shaft, for
rotating said drive shaft at a speed of at least 1000 rpm
said rotor connected to said drive mechanism drive
shaft, said drive mechanism rotating said rotor about an axis of
rotation;
means for mounting said stator with respect to said
rotor so that the spacing between said cooperating surfaces is
0.5 inches or less substantially throughout said annular mixing
volumes; and
said rotor comprising: a substantially disc-shaped
base having a center about which said rotor can rotate, and a
diameter; a hub at said center of said base for connecting said
base to said rotary drive mechanism; and a first ring
substantially concentric with said base and extending outwardly
from said base, said first ring having a cross-sectional shape
corresponding to that of a truncated right circular cone frustum.
31. A mixer comprising:
a housing having an inlet for pulp and an outlet;
a rotor and a stator disposed in said housing said
stator and rotor having complimentary [sic] shaped cooperating
surfaces spaced to define annular mixing volumes;
a rotary drive mechanism having a drive shaft;
said rotor connected to said drive mechanism drive
shaft, said drive mechanism rotating said rotor about an axis of
rotation;
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