| 摘要 |
Extrusion equipment provided with a die assembly (100) for extruding a multilayer extrusion having a core-sheath structure composed of a core material and a sheath material covering the core material, which assembly (100) has the first die assembly body (250) provided with a core material feeding port (311) on the sidewall and the second die assembly body (200) provided with a sheath material feeding port (321) on the sidewall, the bodies (200, 250) being vertically connected in a detachable way. The first and second die assembly bodies (250, 200) are constituted in such a way as to be connected even when one of the bodies is horizontally turned by an angle of twice the angle ± to the other. To absorb the vertical shift after the rotation, the first extruder (400) and the second extruder (500) are equipped with elevator devices. Thus, an extruder for a core material can be exchanged for an extruder for a sheath material without changing the directions of the extruders connected to a die assembly. |
