LEATHER, METHOD AND DEVICE FOR LEATHER PREPARATION Russian patent published in 1996 - IPC

FIELD: leather industry. SUBSTANCE: leather has buffed flesher of buffled skin with defects or skin or skin with defects or with damaged grain face, or skin with strongly grained or smooth surface whose grain face has coat. Coat on the side facing grain face of split or skin is thermoplastic and has microirregularities identical to microirregularities of grain of split, skin or leather for full levelling of respective grain face of split, skin or leather. Coat surface is made with preset characteristics of obtained leather grain face. Coat is made from levelling layer adjacent to grain face of split, skin or leather, and coating layer located above the levelling layer. method for preparation of leather consists in finishing of grain face of split or skin and subsequent application to face surface of split or skin a coat in form of mass whose lower part is adhesive mass by its simultaneous treatment with temperature and pressure. EFFECT: higher efficiency. 65 cl, 5 dwg