Patent ID: 6409856
Filing Date: 2002-06-25
Classification: B27N

Abstract:
Apparatus for smoothing a surface of a mat having at least one layer including at least one of lignocellulose particles and cellulose particles and a binding agent dispersed therein for manufacturing shaped articles, the apparatus comprising a mat carrier for moving the mat in a given direction; first and second reverse brushing rollers extending at least over a part of a width of the mat and being adjustable relative to the mat carrier in at least one of a horizontal direction and a vertical direction, the reverse brushing rollers having flexible bristles, the bristles being positioned so that they contact the mat and the brushing roller rotating in a direction so that the bristles contacting the mat move in a direction opposite to the given direction, the first and second reverse brushing rollers being further axially inclined with respect to each other to form a V-shaped roller arrangement and displaced with respect to each other in the given direction; at least one scattering head and a metering bunker associated therewith located in a region of the reverse brushing roller; one of a cleaning strip and a cleaning brush cooperating with each reverse brushing roller, the cleaning brush having flexible bristles and rotating in a direction opposite to the direction of rotation of the reverse brushing roller; and means for receiving and returning particles removed from the mat to the metering bunker.