Process and device for spraying a moving fibrous web
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United States of America Patent
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Sep 3, 2002
Grant Date -
N/A
app pub date -
Sep 28, 2000
filing date -
Sep 28, 1999
priority date (Note) -
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Abstract
Process and apparatus for spraying a moving fibrous web with at least one jet. The process includes feeding a controlled volume flow of a spray agent to the at least one jet through at least one pulsing valve, and damping and reducing pulses occurring in the controlled volume flow of the spray agent. The apparatus includes at least one jet arranged to be fed with a controlled volume flow of a spray agent, at least one pulsing valve which feeds the controlled volume flow of the spray agent to said at least one jet, and at least one pulse damper arranged to damp or reduce pulses occurring in the controlled volume flow of the spray agent.
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