PURPOSE:To obtain the titled apparatus capable of metering and delivering two types of plastic materials, by arranging, inside a container whose inside is divided into two sections, metering rotating bodies having recessed sections and contact members for closing the gaps between the casing and the rotating bodies. CONSTITUTION:The upper inlet 20 of a container 2 of which the inner space is divided into two has a hopper 1 that is divided similarly. Metering rotating bodies 17 having metering recesses 39 are rotatably arranged in the divided spaces in the container 2. A closing rotating body 31 that can engage with the recesses 39 is provided in one of the internal spaces so that the volumes of the recesses can be adjusted. Two contact members 18, 19 are arranged in each of the internal spaces in such a way that they may be in contact with the surface of the metering rotating body 30 and the closing rotating body 31 and the spaces may be divided into inlet sides and outlet sides. A chute is provided below the outlet of the container 2 to which a detector 8 for detecting the height of the material discharged is arranged.
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