Pulp feed for a papermaking machine

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

1980-09-15

1981-07-28

Chin, Peter

Paper making and fiber liberation

Apparatus

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

162343, 162344, 162347, D21F 106

Patent

active

042808707

ABSTRACT:
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 between the widened portions there is arranged a tapered section or portion. The slot widths before both of the widened portions 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.

REFERENCES:
patent: 3309264 (1967-03-01), Parker et al.
patent: 4021296 (1977-03-01), Reiner

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