Screen cylinder with performance boosting configuration

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7168570
APP PUB NO 20040099583A1
SERIAL NO

10399973

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Abstract

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A screen cylinder (125) used for screening cellulosic fibrous material pulp in the pulp and paper industry incorporates first (66) and second (67) downstream surfaces (16) having contoured slopes that form a funnel entrance of the grooves (13) at the screen cylinder slots (17). The contoured construction of the screen cylinder (125) effects greatly enhanced utility compared to conventional milled and discrete element screen cylinders, including substantially avoiding the Coanda effect.

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Patent Owner(s)

Patent OwnerAddress
AIKAWA FIBER TECHNOLOGIES TRUST5890 MONKLAND AVENUE MONTREAL H4A 1G2

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frejborg, Frey Queensbury, NY 10 126

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