Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1981-02-02
1982-06-15
Smith, William F.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209 12, 162 4, 162 55, B03B 700, B03B 906
Patent
active
043349846
ABSTRACT:
Apparatus for processing low-grade collected waste paper. Short, so-called zero fibers, which form up to 30 percent of the whole material, and which substantially reduce the quality of paper manufactured therewith are removed, and the bonding properties of the long fiber fraction are removed. It is possible by use of the apparatus to process to paper of good quality from collected low-grade waste paper without previous manual separation of different kinds of waste paper.
REFERENCES:
patent: 3849245 (1974-11-01), Marsh et al.
patent: 3849246 (1974-11-01), Raymond et al.
patent: 3933577 (1976-01-01), Pengue
patent: 4133747 (1979-01-01), Visman
patent: 4200486 (1980-04-01), Vagac et al.
patent: 4231526 (1980-11-01), Ortner et al.
Carsky Milan
Kmeco Rudolf
Knob Vaclav
Kostka Anton
Mueller Jiri
Smith William F.
Vyzkumny ustav papieru a celulozy
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