Procedure and device for making a board which is provided with a granular material on at least one side, as well as board made according to the procedure

摘要

In a procedure for making a board (4) which is provided with a granular material (6) on at least one side, a hot emulsion (5) is applied to a board (4) by a first means (2) of a device (1). Then a granular material (6) is scattered onto the hot emulsion (5) by a second means (3). The binder (5) is a binder which can deform plastically on a permanent basis, preferably a non-toxic emulsion resembling bitumen.