| 摘要 |
<p>The invention concerns a hairy film generating unit (1), a hairy film (3a) and procedures to manufacture the hairy film (3a). There is a gap between the first and the second roller, which can be adjusted in such a way that a thermoplastic material can be pressed into the cavities under a line pressure of at least 40 N/mm, and were the first roller and a thermoplastic material supply device can be so adjusted that the thermoplastic material can be fed at a rate of at least 3 m/min to the first roller.</p> |
