公开(公告)号：US20240050966A1

公开(公告)日：2024-02-15

申请号：US18472956

申请日：2023-09-22

申请人： FUJIFILM Corporation

发明人： Keiichi ISHIKAWA ,  Takashi URABE

IPC分类号： B05B5/16 ,  B05B7/14 ,  B65G33/14

CPC分类号： B05B5/1683 ,  B05B7/144 ,  B65G33/14

摘要： A powder supply device includes: a hopper that stores powder; a tubular chute that extends in an axial direction, includes one end connected to a lower end of the hopper, and discharges the powder supplied from the hopper from a discharge port provided at an opposite end thereof; an auger screw that is rotatably provided in the chute and includes a helical blade for transporting the powder toward the discharge port; and at least one strip-shaped portion which is provided on an inner wall surface of the chute and has an elongated recessed or protruding shape and of which a longitudinal direction extends in a direction intersecting with at least a part of the blade.