| 摘要 |
<p>Sachet of film materials e.g. polyethylene, for gradual release of contents e.g. brightener, anti-static agent and/or perfume onto clothes e.g. in the drum of a washing machine, comprises a large number of holes or slots in the surface which releases the contents. Before application of the contents of the sachet, the release surface is adhered or otherwise assembled by its whole surface area to a covering sheet which can be withdrawn. The covering sheet pref. consists of Al, partic. with a self adhesive coating. The sachet may be in the form of a cushion with borders of the same material as the perimeter of the cushion. One or both cushion surfaces are completely or partially perforated or slotted.</p> |
