DECORATING PIECES PRODUCTION METHOD Russian patent published in 1995 - IPC

FIELD: construction materials. SUBSTANCE: method provides for mixing of cement and clay, that is preliminary dried and comminuted up to thickness of no more than 1 mm, in amount of 5 20 of mass of cement; comminuting of produced mixture till special surface of 3500-5000 cm²/g is achieved, adding of pigment and its granulation, applying on produced granules shells of mixture, having binder and pigment of other color, following pressing of pieces under pressure of 50 100 MPa during 0.5 5 minutes with following hardening and polishing. EFFECT: method provides increase of strength of pieces and their quality. 1 dwg, 3 tbl