Feeding apparatus for cellulosic material

Details Feeding apparatus for cellulosic material Feeding apparatus for cellulosic material

2005-09-20

2005-09-20

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S277000

Reexamination Certificate

active

06945487

ABSTRACT:
An apparatus for pressure tight discharge of refiner material, such as cellulosic material by using a screw which feeds the material between a screw shaft and screw housing whereby a pressure tight material plug is formed at an outlet of the screw housing. The screw is, at the out end, provided with a flange which together with a throttle journalled around the flange forms an adjustable outlet opening through which material is fed out by the screw while the material forms a pressure tight material plug.

REFERENCES:
patent: 4249703 (1981-02-01), Korenev et al.
patent: 4838995 (1989-06-01), Klausen
patent: 4986480 (1991-01-01), Gullichsen et al.
patent: 4999063 (1991-03-01), Vos et al.
patent: 5148998 (1992-09-01), Obitz
patent: 6145766 (2000-11-01), Mraz et al.

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