Importance

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Abstract

The present invention is concerned with a collector, used for supplying powdered or granular materials such as various kinds of raw materials for plastic to a plastic molding machine, which can automatically switch multi-materials. The collector comprises a separation box connected to a main body of the collector, a rotary valve being pressed to a vacant chamber of the separation box for being mounted thereto such that the rotary valve may be rotatable to and fro, and a separator provided on a bottom of the rotary valve and is constructed such that a rotational displacement of the rotary valve permits a passage for guiding materials to communicate selectively with an inlet of materials and a gas introducing port to execute replacement of materials and compressed gas can be supplied from the gas introducing port, when a coincidence between the gas introducing port and the passage for guiding materials is made.

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First Claim