| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the necessity for replacing a discharge nozzle even when the molding state of a molded article is insufficient and connect an extension nozzle to the discharge nozzle. SOLUTION: A twin-screw extruder is equipped with a body 3 having a raw material supply port 4 provided to the upper part on one end side thereof and having an end plate 5 provided with a plurality of through-holes provided to the other end thereof, a pair of the rotary shafts provided in the body, feed screws 201-206, a scraping member 23 and a grinding plate 28. Discharge nozzles 33 having annular flanges 33a provided to one end portions thereof and having screws formed to the outer peripheries of the other end portions thereof are inserted in the through-holes of the end plate 5 to be fixed thereto so that the flanges 33a are engaged with the inlets of the through-holes of the end plate and the screws protrude outwardly from the outlets of the through-holes of the end plate 5 and the screws formed to extension nozzles 75 are threaded with the outwardly protruded screws of the discharge nozzles 33. |
