| 摘要 |
A device for dividing a card web comprised of a loose structure of fibers into successive longitudinal sections, comprises an air-permeable conveyor belt having a conveyor strand carrying the card web on one side thereof for conveying the card web in a conveying direction, a suction box arranged on a side of the conveyor strand opposite the one side, the suction box defining a suction slot extending transversely to the conveyor strand and facing the opposite side of the conveyor strand, and a screen arranged to close the suction slot and to open it periodically whereby suction is applied to the card web through the air-permeable conveyor belt and a respective one of the longitudinal sections is separated from the card web by sucking the fibers in alignment with the suction slot out of the card web.
|
