| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an extruder which effectively can prevent defective biting caused by material bridges.SOLUTION: An extruder 10 comprises a cylinder 11 which guides materials, a rotatable screw 12 inserted into inside of the cylinder 11, and a material crushing member 13 disposed inside the cylinder 11 so as not to interfere with the rotation of the screw 12 and movable in the radial direction of the cylinder 11.</p> |
