METHOD OF REINFORCE FILM MATERIAL PRODUCTION Russian patent published in 2001 - IPC

FIELD: automotive industry; applicable in sheltering of equipment, loads, manufacture of flexible reservoirs, ventilation pipes, etc. SUBSTANCE: method includes formation of bilateral reverse and face layers of film material by application of flexible polyvinyl chloride to textile base and embossing of material. Reverse layer of film material is formed with formation of base face side by application of flexible polyvinyl chloride in amount of 25-300 g/sq.m of textile base preliminarily heated up to 40-50 C in gap between the second and third melting bowls of three-bowl calender with temperature of bowls 150-200 and 120-155 C, respectively. EFFECT: improved quality and prolonged service life of produced material, reduced technological process of material manufacture. 1 dwg, 2 tbl