AUTOMATIC MACHINE FOR MAKING, FILLING UP AND SEALING BAGS MADE OF THERMOADHESIVE MATERIAL Russian patent published in 2001 - IPC

FIELD: mechanical engineering; food, chemical and other industries; packing of loose materials in polymeric film. SUBSTANCE: automatic packer has hose shaper, filling mandrel, longitudinal seam maker, cross-cutting mechanism and transport mechanism provided with independent drive. Heads of longitudinal seam maker are connected with lead screws through two pairs of threaded bushings with corresponding thread. First pair of threaded bushings on one of lead screws is rigidly coupled with heads. Second pair is installed on lead screw for linear displacement. Welding members are installed on heads for movement and are spring-loaded. Knife of cross-cutting mechanism is rigidly coupled with head and is arranged inside one of welding members. Mating slot of knife is made on other welding member. Drive of longitudinal seam maker is furnished with working travel and reverse travel end transmitters. EFFECT: improved reliability of automatic packer, enlarged operating capabilities and enhanced quality of packing. 2 cl, 4 dwg