FACING SLAB MANUFACTURING PROCESS Russian patent published in 1994 - IPC

FIELD: building industry. SUBSTANCE: sectional form consisting of a frame coated with cup grease and sheet glass treated preliminarily with solvent is installed. Then filled or non- filled polymeric epoxy composition is placed in the form, and a layer of fillers is applied on the composition and rammed. This done, the polymer- concrete mixture of the main layer is packed and hardened by immersing it in water at a temperature of 60 to 100 C, with glass facing down, and kept in this state till it is hardened completely. If crumbs or flat stone elements are used as the fillers, the hardened slab is cooled, dried, placed with glass up, and single blows are delivered to different points of the glass surface by means of a metal ball with the blow energy of 0.001 to 0.01 J. EFFECT: high-quality facing slabs. 2 cl, 1 tbl