Method and device for strengthening a continuously fed material web
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United States of America Patent
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Jul 12, 2016
Grant Date -
Oct 23, 2014
app pub date -
Feb 8, 2012
filing date -
Feb 8, 2011
priority date (Note) -
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Abstract
A method and device are provided for strengthening, in particular needling, a continuously fed material web (21), wherein the material web is strengthened in a strengthening zone and is drawn out of the strengthening zone by a drawing apparatus (24). At least one parameter, in particular the material speed, of the strengthened material web (21) is detected in a guiding zone arranged downstream of the fastening zone and before the drawing apparatus (24) by a measuring apparatus (22), preferably without contact, and is optionally used to control the strengthening apparatus.
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