Appeal No. 2003-0806 Page 4
Application No. 09/219,275
the housing that includes the main passage extending into
the expansion chamber;
a plurality of single nozzles spaced along the portion
of the housing which extends into the expansion chamber;
a plurality of fluid passages located within the main
passage, wherein each of the single nozzles is connected to
a different one of the fluid passages; and
at least one passage located within the main
passage, wherein the at least one gas passage is connected
to each of the single nozzles, and, in the portion of the
housing that extends into the expansion chamber, the
plurality of fluid passages and the gas passage are entirely
located within the main passage.
Imanidis, the jumping off point in the examiner’s determination of obviousness,
discloses a fluidized bed system for coating a first particulate material of first larger
particles with a coating material of second smaller particles. The system comprises a
vessel 1 including a processing space 31, a rotor disc 23 and gas supply (note gas
supply conduit 51, gas heater 57 and gas exhaust conduit 61) for moving first larger
particles within the processing space, an inlet member 33 disposed slightly above the
rotor disc for introducing dry particulate material (the coating material of second smaller
particles) and comprising a ring with a channel and with nozzles distributed over the
periphery of cylindrical shell 7 and opening into the processing space 31 and a spraying
device 35 for spraying a liquid into the processing space and comprising at least one
spraying member which in turn comprises at least one nozzle and, for example, several
nozzles distributed around the vertical central axis of the vessel 1. The spraying device
35 supplies a liquid, such as water or a bonding medium, if necessary, to assist in
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Last modified: November 3, 2007