Apparatus for removing contaminants from a rotating cylindrical roll
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 8, 2000
Grant Date -
N/A
app pub date -
Mar 13, 1998
filing date -
Dec 9, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dryer roll of a paper machine is provided with a doctor assembly, including a doctor blade. A contaminant removal assembly includes a hood mounted in a cantilevered manner to a support extending parallel to the axis of rotation of the dryer roll, and the hood extends downstream from the support and is in sealing contact with the upper surface of the doctor blade to form a channel between the doctor blade, the hood, and the surface of the dryer roll. Air amplifiers are provided at both ends of the hood for creating an airstream extending longitudinally of the hood and exhausting at one end thereof to remove fuzz picked up by the doctor blade on the surface of the dryer roll.
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