B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
92/34
B02C 7/00 (2006.01) D21B 1/12 (2006.01) D21B 1/30 (2006.01) D21D 1/20 (2006.01)
Patent
CA 1161290
Serial No. 350,345 ROLLER TYPE SYSTEM, PROCESS AND APPARATUS FOR PULP REFINING ABSTRACT OF THE DISCLOSURE: A method of refining fibrous material comprising inter- connected fiber-like constituents the essential components of which include cellulose filament structure and means defining protective sheathing containing said filament structure in- cluding the steps of rolling the material in separately defined relatively elongate portions comprising amounts of said inter- connected constituents, during rolling maintaining the length of each said portion aligned in an orientation generally transverse to the direction of the rolling and separated from the other of said portions, applying non-cutting elements during rolling gradually disconnecting said fiber-like con- stituents and reducing said sheathing components thereof, exposing and loosening said filament structure from contain- ment by said sheathing and converting said filament structure to ribbon or thread-like segments thereof while essentially inhibiting the separation of each said portion into discon- nected parts prior to the completion of the rolling procedure. Preferred apparatus for refining the fibrous material includes one or more rollers at least in part having in association therewith means for the rolling of small individual portions of the material into elongate form with the means for rolling the portions including means for applying non-cutting pressure and torsional shear during rolling effective to break down the outer layer of the fiber elements and the binders which connect the outer layer to the inner filaments the exposure of which is particularly desired for quality pulp material.
350345
Smart & Biggar
Stiles Morrison
LandOfFree
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