Appeal No. 96-2501
Application 08/177,243
various mixing elements are provided with
no points of contact so that there are
absolutely no “crotches” provided in the
present
invention which would otherwise result in
material hangup. In fact, it is a design
objective of the present invention to enable
debris having effective diameters of 75% or
more of the conduit diameter to pass through
the conduit without entrainment.
As is noted on page 4 of the specification, it was a
design priority for appellant to enhance mixing efficiency by
providing an increase in the effective roughness of the interior
wall of the conduit, but to achieve such a result without major
obstruction to the flow of large debris items entrained in a
process or flow system. To that end appellant has sought to
eliminate "dead zones" in the mixing apparatus where fluids, even
in turbulent flow, accumulate and remain virtually unmixed and to
eliminate "crotches" where fibrous material, etc. can gather and
hang-up and encourage clogging or plugging of the mixer when
fibers, clumps and particulates are contained within the fluids
to be mixed.
3
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