Sheet stabilizer with suction nozzle having center protrusion
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United States of America Patent
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Jun 2, 2015
Grant Date -
May 28, 2009
app pub date -
Nov 21, 2008
filing date -
Nov 27, 2007
priority date (Note) -
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Abstract
This invention is related to suction nozzles having a center protrusion for stabilizing a continuous web for various web property measurements. Suction nozzles blow air out of the nozzle, yet produce a vacuum proximate thereto. Two nozzles are disclosed, a single sided sheet-contact stabilizer and a non-contact sheet stabilizer. An air-bearing may be formed between the end surface of the center protrusion and the moving web.
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