Venturi-type conveyor for fiber laying in nonwoven material prod

Details Venturi-type conveyor for fiber laying in nonwoven material prod Venturi-type conveyor for fiber laying in nonwoven material prod

1990-04-06

1991-11-19

Schroeder, Werner H.

Textiles: fiber preparation

Assembling

Web forming

D01G 1546

Patent

active

050654799

ABSTRACT:
A device for producing fibrous non-woven structures. The device includes a first duct for conveying an air flow over the lateral surface of a carding cylinder to remove the fibers from the carding cylinder and to convey them to a mobile forming surface. It further includes a second duct joining with the first, wherein a flow of compressed air is passed through the second duct to create in the first duct the air flow utilized in removing the fibers. In addition, an adjusting member is provided, faced to said first duct, at the downstream, end of said second duct, to adjust its outlet section.

REFERENCES:
patent: 3768119 (1973-10-01), Wood
patent: 3768120 (1973-10-01), Miller
patent: 3792943 (1974-02-01), Helgesson
patent: 3825381 (1974-07-01), Dunning et al.
patent: 3863295 (1975-02-01), Castor
patent: 4130915 (1978-12-01), Gotchel et al.
patent: 4224720 (1980-09-01), Morgner et al.
patent: 4706338 (1987-11-01), Anspach

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