Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Reexamination Certificate
2011-08-30
2011-08-30
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
C241S028000, C241S298000
Reexamination Certificate
active
08006924
ABSTRACT:
A refiner plate assembly and method includes an annular arrangement of adapter subplates that mount to a refiner disk of a disk refiner using a conventional mounting technique, such as bolted in a standard pattern associated with the particular disk refiner. The adapter subplate arrangement remains mounted to the disk and provides a universal mounting surface for an annular arrangement of individual removable refiner segments. A steam and/or accept evacuation channel is provided in this assembly via filter passages at a radially intermediate location in one or more refiner segments which communicate with a recess or channel in one or more associated adapter subplates that direct the steam and/or accepts through outlet ports in the outer rim of the adapter subplate(s). Refining efficiency is provided in a universal refiner plate assembly by eliminating steam volume and already refined pulp from outer portions of the refining zone. The filter section(s) can be placed at an optimal location of high volume fraction of pulp fibers where mounting hardware is typically located in conventional refiner segments.
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J & L Fiber Services Inc.
Quarles & Brady LLP
Rosenbaum Mark
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