Patent ID: 7383971

Claim:
A powder body metering apparatus comprising: a base plate having an inlet and an outlet provided through in a vertical direction; a slide plate provided in a lower surface of the base plate so as to freely move horizontally and having a through hole provided in a vertical direction; and a metering container in which an edge portion of an upper end opening is fixed to an edge portion of the through hole of the slide plate, the metering container being structured such that said metering container is variable in an internal capacity, the metering container being provided in a lower portion with a porous body not allowing a powder body having a set magnitude to pass through and allowing a gas to pass through, wherein: said slide plate is freely movable between a position at which the through hole meets the inlet of the base plate and a position at which the through hole meets the outlet of the base plate, the inlet of the base plate is closed in a state in which the through hole meets the outlet of the base plate, a powder body discharge port is formed in a lower portion of said metering container, and the powder body discharge port is freely opened and closed by a closing member for inhibiting the powder body from flowing out of the metering container, said closing member being formed at least in part by said porous body.