Paper making and fiber liberation – Apparatus
Patent
1974-04-05
1976-03-09
Bashore, S. Leon
Paper making and fiber liberation
Apparatus
100117, 100147, 162 18, 210414, D21C 918
Patent
active
039430332
ABSTRACT:
A screw thickener to be used for dewatering fibrous materials and being provided with a stuffing means at the discharge end. Said screw thickener having a hydrostatic superpressure of at least 10 kPa and said stuffing means being actuated by pulling means.
REFERENCES:
patent: 2771361 (1956-11-01), Birdseye et al.
patent: 3092338 (1963-06-01), Reinhall
patent: 3098785 (1963-07-01), Meiler
patent: 3154007 (1964-10-01), Schaub et al.
Bashore S. Leon
Caroff Marc L.
Lennart Wallen & Co AB
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