| 摘要 |
A method of manufacturing a foil consisting of two films with very low thickness coupled to each other, one of which being a film of pre-stretched extensible material with residual stretching preferably near zero acting as a mechanical high-resistance support, the other one being a film of thermoshrinking material having the function of compacting the packages by a quick oven treatment. According to the invention, the thermoshrinking film is preferably placed outside the package. <IMAGE> |
