Web-spreading process and web-spreading device
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United States of America Patent
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Jul 17, 2007
Grant Date -
Feb 17, 2005
app pub date -
Aug 12, 2004
filing date -
Aug 13, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A web-spreading device and a web-spreading process are provided. The web-spreading device, is provided whereby a first web strand being conveyed and a second web strand being conveyed next to the first web strand in a web-processing machine can be offset in parallel to one another in order to set a spread. A frame supports a first deflecting device (5r; 5r'), which forms a first deflection axis for the first web strand (Br), and a second deflecting device (6r; 6r'), which forms a second deflection axis for the first web strand (Br), which deflection axis is the next deflection axis for the first deflection axis in the conveying direction (F). The first web strand (Br) is offset in parallel by wrapping around the deflecting device (5r, 6r; 5r', 6r') and the spread (X; X+Y) is thus set in its entirety or in part. At least one of the deflecting devices (5r, 6r; 5r', 6r') is mounted adjustably along an adjustment path in the frame (2) in order to set the spread (X; X+Y). The adjustment path is straight in its entirety or at least in one section and extends in the conveying direction (F) which the first web strand (Br) has between the deflecting device (5r, 6r; 5r', 6r').
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