PROCESSO E APARELHO PARA CORTAR UMA PLURALIDADE DE CAMADAS DE UM MATERIAL TERMOPLASTICO E SELAR,SIMULTANEAMENTE,SUAS MARGENS CORTADAS

摘要

A process and apparatus for severing and simultaneously sealing a plurality of plies of thermoplastic material to form bags for storing foods therein is provided. A severing and sealing element fabricated from a long range ordered alloy is used. The use of that alloy provides increased element life at higher operating temperatures while significantly reducing odor and off-flavor problems in the bags.