| 摘要 |
<p>A flexible package (20) for holding abrasive, greasy or oily material, such as dry pet food comprises a wall made up of layers. The outermost layer (40) may be polyester film, the next (44) Kraft paper, the third (48) Nylon and the innermost (52), polyethylene. Neighbouring layers are secured to each other by adhesive layers (42, 46, 50 respectively). <IMAGE></p> |
