METHOD OF MANUFACTURING MULTICORE DECORATIVE PANEL Russian patent published in 1994 - IPC

FIELD: manufacturing of building materials. SUBSTANCE: glossy molding surface is coated by at least one layer of decorative mixture containing reinforcing and water- resistant additives and dyer and is then treated with water-containing solution and held till cracklings and formed. Then the base layer is applied and is subjected to effect of uniformly-distributed load capable of moving reciprocally in order to deform the cracks and fill them with the base material. The major components of the base material and decorative layer mixture is gypsum aggregate. EFFECT: improved decorative properties.