Selectively convertible apparatus for treating a moving web
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United States of America Patent
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-
Apr 7, 1981
Grant Date -
N/A
app pub date -
Jul 11, 1979
filing date -
Dec 20, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus selectively convertible to perform one or more coating operations on a web of paper or the like comprises a fixed rotatable roller, a coating blade movable into and out of coating relation with the surface of the fixed roller and cooperating with a dam of coating material to coat a web as it passes through the nip between the coating blade and the fixed roller, and a second movable roller movable into and out of nip forming relation with the fixed roller with provision for adjustment of pressure in the nip and adapted to cooperate with a dam of coating material to coat a web as it passes through the nip between said rollers, said movable roller also being adapted alternatively to receive coating material and to transfer it to the fixed roller to coat one side of a web as it runs over the latter.
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