| 摘要 |
<p>The extrusion head (1) has a through hole (10) to a flow channels (3) and an overlapping piece (7) arranged between a finished bar (9) and the flow channel. The overlapping piece sectionally accommodates a worm shaft (11) of an additional extruder (12). The through hole leads into a particularly separate flow channel (18) within the flow channel.</p> |
