D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
92/52
D21D 1/00 (2006.01) D21B 1/14 (2006.01) D21B 1/38 (2006.01) D21C 3/22 (2006.01) D21C 9/00 (2006.01) D21D 5/00 (2006.01) D21D 5/28 (2006.01)
Patent
CA 1055291
Abstract of the Disclosure An improved method for treating ligno-cellulose containing material is disclosed which comprises disintegrating the material in a refiner to obtain a mechanical pulp having a high concentration and a low coarse material content, passing the thus formed pulp to storage chests located at a wet-lap forming machine for storage, removing the stored pulp and cleaning it by diluting and screening to reduce the coarse material content and to obtain a pulp concentration suitable for further processing in the wet part of a wet-lap forming machine, and passing the cleaned pulp to the wet-lap forming machine for further processing.
254213
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