Activity induction in papermaking
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United States of America Patent
Stats
-
Oct 28, 1997
Grant Date -
N/A
app pub date -
Aug 23, 1995
filing date -
Aug 23, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The apparatus of the present invention is a papermaking machine with a forming fabric in a looped configuration. The forming fabric carries paper stock through the papermaking process. The forming fabric passes over a liquid-filled cavity which is bounded on its lower surface by a flexible non-permeable membrane. A roll with regular protrusions underneath the membrane is rotated to vertically excite the membrane, the liquid-filled cavity, and, subsequently, the paper stock in order to disperse the paper stock into a random orientation.
First Claim
Family
International Classification(s)
Cited Art Landscape
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