Method and apparatus for the formation of particles
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United States of America Patent
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Dec 22, 1998
Grant Date -
N/A
app pub date -
Jan 31, 1996
filing date -
Jul 1, 1993
priority date (Note) -
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Abstract
A method for the dewatering of a material layer of paper fibers in a double-screen former, where the sheet weight (oven-dried sheet weight (otro)) is more than 100 g/m.sup.2 and/or the screen circulates with a speed of at least 100 m/min. Two screens are guided at two guide surfaces that, for example, belong to open forming cylinders. In this arrangement forming cylinders of this kind are so dimensioned and positioned that no dewatering elements that contact one of the screens are present between the run-out line of the screens from the first guide surface and the run-in line at the second guide surface.
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