POWDERY MATERIAL SUPPLYING DEVICE

摘要

PROBLEM TO BE SOLVED: To surely prevent clogging of a communication passage with powdery material even in the case of fine powdery material having high cohesion such as fine spherical silica, in regards to a powdery material supplying device provided with a connecting means 6 having the communication passage 32 between a container 2 and a supplying means 4. SOLUTION: A static scraping member 40 extended in the vertical direction is arranged inside the communication passage at a position near the inner peripheral surface of a ring member 30. COPYRIGHT: (C)2005,JPO&NCIPI