ENDLESS FORM BELT AND FORM BELT MANUFACTURE METHOD Russian patent published in 2001 - IPC

FIELD: light industry. SUBSTANCE: belt has interlaced core and filling threads, with interlace including basic repp 2/2 from П-aramide threads with linear warp density of 58.8-120 tex and weft density of 29-129 tex. Number of filling threads per 10 cm of belt is 35-367, number of twists 100-150 t/m. Method involves spinning belt, impregnating with polyvinyl acetate solvent, squeezing, drying and stretching. Upon impregnation, belt is subjected to calendaring by means of pressure rolls, with following applying of aqueous solution of natural latex to belt outer surface and of organosilicon preparation to inner face. Belt is fixed and simultaneously stretched in the process of calendaring. EFFECT: improved wear resistance and increased service life of belt. 3 cl, 1 dwg, 1 tbl, 3 ex