Presses – Methods – With separation from material of liquid expressed
Patent
1974-05-02
1980-03-11
Coe, Philip R.
Presses
Methods
With separation from material of liquid expressed
68244, 100121, B30B 920
Patent
active
041922280
ABSTRACT:
An apparatus and a method to express liquid from wet fibrous material while minimizing breakage thereof and splashing of the solvent and easying solvent recovery. The method comprises laying said material on a smooth perforated surface, gradually compressing said body of wet fibrous material against said surface to force out liquid, and removing from said surface said body of material in a drier state. A convenient way to compress said body is by exerting on it a gradually increasing compression by means of a second roller having a smooth surface. The apparatus comprises a first roller being drivenly mounted for advancing a wet fibrous material, said first roller having smooth, perforated surface to receive the liquid from said wet fibrous material, a second roller being freely rotatably mounted over said first roller, said second roller having a smooth surface, means to urge said rollers against one another and thereby compress said wet fibrous material and obtain a drier material, means to disengage said drier material from said first roller. Conveniently the said disengaging means is a scraper blade, spring loaded to force it against the first roller.
REFERENCES:
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patent: 2069448 (1937-02-01), Ireland et al.
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patent: 2498773 (1950-02-01), Thompson
patent: 2685548 (1954-08-01), Drozdowski
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Antoniuk Andrew V.
Boulter David M.
Hankinson Lawrence V.
McMillan William R.
Celanese Canada Limited
Coe Philip R.
Macleod Roderick B.
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