Apparatus for degassing paper stock
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United States of America Patent
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-
Dec 9, 1980
Grant Date -
N/A
app pub date -
Nov 22, 1978
filing date -
Nov 24, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The paper-making stock is fed continuously to a tank with two chambers separated by a partition having an opening for passage of stock from the first to the second chamber, evacuation means being provided for maintaining equally low gas pressures in the two chambers. A stock consumer is connected to a stock outlet of the first chamber, and stock from an outlet of the second chamber is returned to the tank via a recycle line. Means for sensing the stock level in the first chamber are provided to control valve means in the recycle line, whereby said stock level is maintained constant.
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