摘要 |
An apparatus for automatically selecting one from color pellets of different colors and automatically supplying it to an injection molding machine, comprises: an auxiliary hopper connected to a pellet supply portion of the injection molding machine via an automatic change-over valve; a negative pressure device for causing the auxiliary hopper, at the upstream side chamber, to be under negative pressure; a pellet feed pipe connected to the upstream side chamber of the auxiliary hopper; and storage tanks for storing the respective color pellets, each storage tank being connected to the pellet feed pipe via a respective automatic change-over valve. |