Pulp feed for a papermaking machine

Details Pulp feed for a papermaking machine Pulp feed for a papermaking machine

D - Textiles, Paper

21

F

92/17.1

D21F 1/02 (2006.01) D21F 1/04 (2006.01)

Patent

CA 1089687

INVENTORS: ALFRED BUBIK, R?DIGER KURTZ and HERMANN KUTZELMANN INVENTION: PULP FEED FOR A PAPERMAKING MACHINE ABSTRACT OF THE DISCLOSURE A pulp feed for a papermaking machine, comprising a substantially slot-like guide channel having at least two step-like widened portions. Before and after each widened portion there is provided a linear channel section, and be- tween the widened portions there is arranged a tapered section or portion. The slot widths before both of the widened por- tions can be of the same magnitude and conjointly adjustable by means of a translationally movable element. The slot-like guide channel has arranged forwardly thereof a perforated plate and a mixing chamber merging thereat. Also a pulp feed channel having an adjustable lip and merging at the guide channel can possess step-shaped widened portions.

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