| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce clogging of powder around an entrance and an exit of a transverse conveyance path. <P>SOLUTION: A powder conveyance device includes: a powder conveyance member 11, as a conveyance mechanism 10, provided with a helical blade 13 that is provided around a rotation axis 12 extending along a transverse conveyance path 6, conveys powder from an upstream longitudinal conveyance path 7 toward a downstream longitudinal conveyance path 8, and moves in the forward direction; a borne member 14 that is provided at one end of the powder conveyance member 11 on a downstream longitudinal conveyance path 8 side, penetrates an end wall of the transverse conveyance path 6, and is covered with a metal or ceramic coating member 15; a bearing member 16 that is provided at one end of the lateral conveyance path 6, and rotatably supports the borne member 14; and an intercepting member 17 that is provided around the rotation axis 12 facing the downstream longitudinal conveyance path 8 of the powder conveyance member 11, and intercepts the powder conveyed by the helical blade 13 moving in the forward direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
