Feeding apparatus for cellulosic material

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0



Reexamination Certificate



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.

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.


Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.


Feeding apparatus for cellulosic material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Feeding apparatus for cellulosic material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Feeding apparatus for cellulosic material will most certainly appreciate the feedback.

Rate now


Profile ID: LFUS-PAI-O-3386911

All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.