| 摘要 |
<p>The present invention provides a bridging preventing device for easily stripping off powder attached on an inner wall of a powder supplying apparatus, which is capable of discharging the powder accommodated in the power supplying apparatus, out of the powder supplying apparatus without attaching the powder on the inner wall of the apparatus and comprises a frame part arranged near the inner wall of the powder supplying apparatus such that a part of the powder supplying apparatus comes into contact with the powder attached on the inner wall of the powder supplying apparatus; and a driving part arranged to rotate the frame part within the powder supplying apparatus, thereby preventing a bridging phenomenon within the apparatus for supplying the powder in a state that solid particles are assembled and smoothly supplying the powder, so it may rapidly process the powder.</p> |
