DEVICE AND METHOD FOR THE LONGITUDINAL STRETCHING OF A FILM WEB
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United States of America Patent
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Issued Date -
Nov 29, 2012
app pub date -
Nov 2, 2010
filing date -
Nov 10, 2009
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Abstract
The invention describes a device (1) that is intended for longitudinally stretching film webs (2) and that comprises a plurality of rollers (5, 6, 9, 10, 11, 12, 13, 18, 19), some of which are temperature control rollers, and some of which (9-13) form stretching gaps (22), in which the film web (2) can be stretched.
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