Method and device for processing a paper or film web
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United States of America Patent
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Issued Date -
Nov 9, 2006
app pub date -
Dec 19, 2003
filing date -
Feb 21, 2003
priority date (Note) -
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Abstract
The invention relates to a method for processing a paper or film web (10). According to said method, the web (10) is first fed underneath a braking element (12), scanned by a reader (15) and subsequently conveyed at varying speeds by a conveyer drive (16). The braking element (12), e.g. a brush (30), exerts a varying braking force on the paper or film web (10), thus holding the web (10) taut and preventing undulations in said web between the braking element (12) and the conveyer drive (16). This improves the legibility of control marks for the reader (15), reduces the load on the conveyer drive (16) and prevents paper-feed malfunctions. The method can be advantageously used to feed a paper or film web (10) in a stop-and-go operation to a cutting device (22), which cuts the web (10) transversally to the direction of transport using a guillotine (24).
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