SECONDARY TEXTILE MATERIAL REGENERATION METHOD Russian patent published in 1997 - IPC

FIELD: textile industry. SUBSTANCE: method involves cutting raw material into pieces while material is continuously moved under cutters of guillotine-type cutting machine, with cutting being conducted two times; disintegrating pieces into separate parts and then into threads and filaments. Prior to cutting, raw material, which is preferably packaging sack material, is subjected to treatment and cleaning. Upon disintegrating pieces into threads and filaments, obtained mass is combed by carding machine. During first cutting stage, material is cut in transverse direction to produce strips, at the second stage it is cut in longitudinal direction to produce pieces by changing movement direction for 90 deg. Material disintegration process is conducted in cylindrical chamber. EFFECT: increased efficiency, simplified construction. 1 dwg, 1 tbl