| 摘要 |
<p>A wrapping for a used disposable material such as pet litter, made from a continuous flexible plastic film (3) strong enough to contain and support the material. The film (3) is folded up and sealed or substantially sealed to form a tube. The opposite edges (5) forming the openings of the tube are rigidly connected to one another so that the wrapping (2) comprises two opposite surfaces with a generally parallelogram-shaped outline.</p> |
