Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1985-06-03
1986-11-11
Bashore, S. Leon
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
162261, 241 4617, 366219, 366185, D21B 132, D21C 502
Patent
active
046220992
ABSTRACT:
A method is provided for manufacturing an end product such as, for example, paper or board from a fibrous base material such as waste paper. The method includes the steps of introducing into a pre-soaking device the fibrous base material and admixing such base material with a sufficient predetermined quantity of water to form a fibrous mixture. Controlled amounts of the mixture are thereupon introduced into a pulper and admixed with a quantity of water greater than the quantity of water introduced into the pre-soaking device so as to form a fibrous suspension. The fibrous suspension is then transported to a subsequent processing station for further processing into the desired end product.
The pre-soaking device includes a mixing container, preferably a cylinder, mounted on a support frame and adapted to be tilted so as to discharge a variable amount of mixture from the cylinder as a function of the angle of inclination of the cylinder. The support frame is adapted to tilt the cylinder downwardly at its discharge end for delivery of the mixture to a conveyor belt for transmittal to a pulper. The support frame includes carrying rollers to permit the cylinder to be rotated in order to agitate and mix the mixture.
REFERENCES:
patent: 1674989 (1928-06-01), Powell
patent: 3752445 (1973-08-01), Nowak
patent: 4194968 (1980-03-01), Pfalzer et al.
patent: 4385997 (1983-05-01), Strudal
patent: 4397713 (1983-08-01), Lambrecht
patent: 4465591 (1984-08-01), Holz et al.
Bashore S. Leon
Hastings K. M.
J. M. Voith GmbH
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