| 摘要 |
FIELD: packing of fat-containing products in polymer film packets. SUBSTANCE: method of manufacture of polymer film packets comes to delivery of film to packet forming zone, welding of packets and separating them from each other Method of vacuum packing comes to making packets from polymer film, filling packets with products and sealing off the packets. Novelty is that packet is manufactured of semi-hose three-five layer film, thickness 60 - 120 μm, produced by coextrusion of high pressure polyethylene with polyamide in form of hose to surface of which one or multicolored print is applied after treatment with corona discharge of 38-39 dyn/cm, hose being cut into halves. EFFECT: enhanced quality of packing. 3 cl |
