WRAPPING FILM Russian patent published in 2003 - IPC

Abstract RU 2213665 C2

FIELD: food industry. SUBSTANCE: invention relates to packing foodstuff, such as chocolate, candies, sugar or caramel, chewing gum, hard candies. Set is essentially hard body and its package in form of wrapper or packet. Package consists of three layers of film, two layers of which consist of at least 20% of polyester obtained at condensation of terephthalic acid with ethylene glycol and diol containing at least three atoms of carbon, and one of layers, placed between two other layers, contains at least one polyolefin. Film contains also antiblocking agent and/or slip agent. Invention contains description of method of making of film including coextrusion stage with subsequent blowing of different thermoplastic compounds from which different layers of film are made with subsequent stage monoaxial stretching or biaxial stretching. EFFECT: possibility of packing hard articles without glue or adhesive tape, improved safety of wrapper. 25 cl, 2 tbl

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RU 2 213 665 C2

Authors

Meilon Daniehl'

Dates

2003-10-10Published

1999-01-18Filed