helical conveyor

helical conveyor

[′hel·ə·kəl kən′vā·ər]
(mechanical engineering)
A conveyor for the transport of bulk materials which consists of a horizontal shaft with helical paddles or ribbons rotating inside a stationary tube.
References in periodicals archive ?
The extruder housing has helical conveyor paths with openings for the pins.
The external housing has helical conveyor paths with openings for the pins.