Pulp screen device
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United States of America Patent
Stats
-
Nov 4, 1980
Grant Date -
N/A
app pub date -
Dec 29, 1978
filing date -
Dec 30, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A screen device for separating undesirable impurities from a pulp suspension is provided with at least one continuous circular screen slot between a first chamber into which the suspension is conducted and from which undesirable material is removed and a second chamber from which the screen pulp suspension is transported. The slot is formed by two walls which are stationary in relation to each other and a cleaning device such as a doctor or knife bears against the screen slot, the cleaning device and slot being movable in relation to each other for continuous cleaning of the screen slot.
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