Method for cutting out an edge of a web in a paper machine
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United States of America Patent
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Nov 5, 1996
Grant Date -
N/A
app pub date -
Feb 27, 1995
filing date -
Sep 1, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a method and apparatus for cutting the edge of a fibre web (4) in a paper machine. In the method, water nozzles (13a, 13b) are Conducted in a transverse direction with respect to the edge of the fibre web (4) so that the place where the cut comes against the surface of the yankee cylinder of the drying unit varies. The apparatus comprises water nozzles (13a, 13b) used for cutting, pipes (14a, 14b), a base (16), and a pneumatic cylinder (17) by which the water nozzles (13a, 13b) are deflected both in a longitudinal and transverse direction with respect to the fibre web (4).
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