Apparatus for manufacturing sleeves from fiber pulp

Details Apparatus for manufacturing sleeves from fiber pulp Apparatus for manufacturing sleeves from fiber pulp

1974-05-10

1976-06-29

Lindsay, Jr., Robert L.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162297, 162305, D21F 100

Patent

active

039665461

ABSTRACT:
Apparatus for manufacturing sleeves of fiber pulp by passing fiber pulp through a nozzle including a mandrel extending through the nozzle and a reciprocating piston mounted on the mandrel to exert pressure on the pulp. Screen members are located on the interior surface of the nozzle, the exterior surface of the mandrel, and the end surface of the piston in conjunction with suction means to provide for dewatering of the pulp.

REFERENCES:
patent: 2549686 (1951-04-01), Hjulian
patent: 3021254 (1962-02-01), Helversen et al.
patent: 3671386 (1972-06-01), Jakobsen et al.
patent: 3686070 (1972-08-01), Williams
patent: 3804707 (1974-04-01), Mohr et al.

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