D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
92/55
D21B 1/00 (2006.01) D21B 1/22 (2006.01)
Patent
CA 1152792
Abstract A method and a device for the manufacture of mechanical pulp from lignocellulosic material by forcing the said material into contact with a grindstone which revolves about an axle . The material is supplied in bulk, particulate form, preferably as wood chips, a large number of particles simultaneously being retained, compressed and, in the presence of water, forced into contact with one or more grinding areas on the circumferential surface of the grindstone . The grind- stone is enclosed in a sealed, pressurized housing .
362090
Marks & Clerk
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