FIELD: welding of plastics; devices for packing articles in thermoplastic polymeric film, mainly, shrinkable film. SUBSTANCE: article packing device has roll unwinding unit with support roller, welding unit and heating table, all mounted in one housing. Welding unit includes pressure crossmember installed above resilient support and carrying shaped resistive electric heater. heating table is installed behind welding unit. Perforator pins are radially secured on support roller of unwinding unit. Horizontal mounting frame is butt-joined additionally on housing. Proposed invention provides packing of articles into various initial materials at different sequence of operations. EFFECT: provision of tight fitting of film to surface of article, enhanced quality of packing. 2 dwg
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Authors
Dates
1999-07-10—Published
1997-10-15—Filed