Apparatus and method for monitoring the transfer of a material web
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United States of America Patent
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Jan 6, 2009
Grant Date -
Apr 6, 2006
app pub date -
Sep 23, 2005
filing date -
Sep 27, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A machine for producing and/or treating a material web, in particular of paper or board, in which the material web can be guided along a material web guide path by means of at least one material web guide device from a material web production section or material web input section, in order to pass at least one material web treatment device, having an apparatus for forming a transfer strip of the material web and transferring the transfer strip through the machine, it being possible for the material web to be transferred along the material web guide path in that, by means of the apparatus for forming and transferring the transfer strip, a leading transfer strip of the material web is formed and guided through the machine, and the width of the transfer strip is increased to the full material web width (what is known as “tail widening”), and having an apparatus for detecting a break in the material web. The apparatus for detecting a break in the material web is provided and designed for the purpose of responding to a break in the transfer strip or the material web during the transfer of the material web, in particular during the increase in the width of the transfer strip.
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