Coating processes – Falling curtain of coating material utilized
Patent
1980-07-18
1982-04-13
Beck, Shrive P.
Coating processes
Falling curtain of coating material utilized
118300, 118325, 118DIG4, 427421, 427424, B05D 102
Patent
active
043248209
ABSTRACT:
A moving substrate material such as a web of paper, paperboard, film, or other substance is covered with a coating by propelling a coating material onto a deflector bar positioned near the substrate material. The deflector bar is configured to deflect the coating material toward the moving web in a continuous, free standing, smooth jet curtain of coating material. The coating on the web is free of skips, scratches, and other imperfections. In one embodiment, propulsion of the coating material toward the bar is accomplished by rotating a drum, or applicator roll, through the coating material. The surface of the drum or roll carries the material to the deflector bar at a speed and in a sufficient quantity to cause the material to be deflected by the bar in a continuous free standing curtain toward the paper web.
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Beck Shrive P.
Coch Nicholas L.
Maguire Joseph M.
St. Regis Paper Company
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