Paper making and fiber liberation – Processes and products – Running or indefinite length work forming and/or treating...
Patent
1987-01-09
1989-05-02
Schor, Kenneth M.
Paper making and fiber liberation
Processes and products
Running or indefinite length work forming and/or treating...
162206, 162358, 100 93RP, 100168, 100176, 291131, 291161, D21F 308
Patent
active
048265713
ABSTRACT:
In a press for papermaking comprising in combination, a pair of elongated rollers arranged one to another to provide an adjustable elongated nip therebetween, each of the rollers comprising a substantially rigid elongated shaft and a substantially rigid elongated sleeve overlying and rotatably supported upon the elongated shaft, the respective shafts extending outboard of the respective sleeve to provide two pairs of parallel spaced shaft outboard portions, the improvement comprising, in the case of each roller, providing a circumferentially extending running fit between the outer surface of the shaft and the inner surface of the sleeve defining an elongated annular chamber extending lengthwise of the sleeve. Other embodiments are disclosed which include the shaft being tubular and pressurized, lubricant in the annular chamber and a cable system for urging the rollers together. A splashguard is also provided for preventing water on the surface of the rollers from rewetting the paper.
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Anderson Andrew J.
Meerkreebs Samuel
Schor Kenneth M.
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