To prevent the failure in gripping by keeping a container 6 suspended from guide rails 16, 18 and advanced in a stable anteverted attitude, and straightening the container into the upright attitude when it is gripped by a gripper 10.
An air conveyor 4 conveys the resin container 6 in a state that a flange 6a of the container 6 is placed on neck guides 16, 18, and the air is blown from a rear part. A screw 8 for expanding a conveying interval is mounted on a side part of the container 6 suspended from the neck guides 16, 18 extended to an outer part of an air duct 14. A gripper wheel 12 is provided with a plurality of grippers 10 on its outer periphery to convey the container in a state of gripping its neck part. An air nozzle 22 for blowing the air to the neck part of the container 6 from a rear part to antevert the container, and an attitude straightening air nozzle 24 for blowing the air from a front part at a gripping position A of the gripper 10 to straighten the container in the upright attitude, are mounted outside of the air duct 14.
NAKADA TATSUHIRO
WAKABAYASHI HISATO
