Patent ID: 8398905
Filing Date: 2013-03-19
Classification: B27N,Y10T

Abstract:
1. A method for the manufacture of a multi-layer particle board, said method comprising the steps of: evenly distributing a plurality of a finer fraction of particles so as to form a first particle mat, the first particle mat forming a lower surface layer of the particle board; distributing, via a distribution arrangement, a plurality of a coarser fraction of particles so as to form a second particle mat on top of the lower surface layer, the second particle mat forming an intermediate surface layer of the particle board, the intermediate surface layer having one or more first regions of relatively more thickly applied particles and one or more second regions of relatively more thinly applied particles; evenly distributing a plurality of the finer fraction of particles so as to form a third particle mat on top of the intermediate surface layer, the third particle mat forming an upper surface layer of the particle board; and compressing the first, second, and third particle mats until the intermediate surface layer acquires an essentially constant thickness and a varying density, wherein the one or more first regions have a relatively higher density than the one or more second regions.