Paper making and fiber liberation – Apparatus – Automatic control
Patent
1996-12-03
1998-08-11
Silverman, Stanley S.
Paper making and fiber liberation
Apparatus
Automatic control
162259, 162336, D21F 108
Patent
active
057923221
ABSTRACT:
A Y-shaped flow splitter passes papermaking fluid with some fibers with reduced clogging and has a flat surface opposite the leg of the Y where the flow divides into the two arms of the Y. A generally flat rectangular surface is positioned opposite the leg of the Y of the flow splitter which divides the flow evenly without providing a place for fibers to collect and thus clog the flow through the splitter. The splitter allows the flow to a pair of dilution tubes to be controlled by a single valve with a single flow passage reducing clogging and valve cost. The flow splitter is constructed of stainless steel by a by casting process. A process known commercially as the Extrudehone process is used to produce smooth flow passages.
REFERENCES:
patent: 5196091 (1993-03-01), Hergert
patent: 5560807 (1996-10-01), Hauser
"ExtrudeHone" brochure, ExtrudeHone Corporation, 8075 Pennsylvania Avenue, Irwin, PA 15642.
Hergert Richard E.
Li Alfred C.
Neill Eugene E.
Rogers Thomas D.
Wywialowski Frank J.
Beloit Technologies Inc.
Fortuna Jos'e A.
Silverman Stanley S.
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