Apparatus for removing contaminants from a rotating cylindrical

Details Apparatus for removing contaminants from a rotating cylindrical Apparatus for removing contaminants from a rotating cylindrical

1998-03-13

2000-02-08

Hastings, Karen M.

Paper making and fiber liberation

Apparatus

Web creping or crinkling type

162272, 15308, 34117, D21G 304

Patent

active

060224517

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.

REFERENCES:
patent: 3003176 (1961-10-01), Goyette
patent: 3292201 (1966-12-01), Bedard
patent: 3829927 (1974-08-01), Boyland

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