Device for dividing a card web into longitudinal sections

Details Device for dividing a card web into longitudinal sections Device for dividing a card web into longitudinal sections

1996-07-01

1998-04-28

Crowder, C. D.

Textiles: fiber preparation

Assembling

Silver forming

191611, D01G 2500

Patent

active

057429812

ABSTRACT:
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.

REFERENCES:
patent: 3018521 (1962-01-01), Harmon
patent: 4475272 (1984-10-01), Wood
patent: 4583267 (1986-04-01), Fehrer
patent: 5361451 (1994-11-01), Fehrer
patent: 5517726 (1996-05-01), Beier

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