| 摘要 |
<p>Apparatus is provided for the manufacture of textile filamentary or fibrous products from fibrillatable thermoplastic material comprising a film extruder, a cooling roller on which the extruded film is laid by an air knife, film tensioning rollers, a heated film support roller and a cooled circumferentially grooved forging roller die which is urged against the film passing through a nip formed therebetween to deform the film and form latent filaments therein, further rollers for stretching the forged film and means for effecting or assisting fibrillation of the film into filamentary or fibrous form.</p> |
