Apparatus and process for producing a nonwoven fabric

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United States of America Patent

PATENT NO 12054865
APP PUB NO 20230257921A1
SERIAL NO

18101738

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus (1) for producing nonwoven fabrics, comprising: a spinneret (2) comprising an extrusion surface (2a) having at least one first group (4) of extrusion holes (3) and a second group (5) of extrusion holes (4); cooling elements (15, 15′); suction elements (7, 8, 9, 10, 11, 12, 13, 14); drawing elements to draw said filaments (100); wherein said suction elements (7, 8, 9, 10, 11, 12, 13, 14) comprise a plurality of first suction channels (7) forming corresponding openings (7a) on said extrusion surface (2a), which are arranged between the first group (4) and the second group (5) of extrusion holes (3), said first channels (7) being fluidically connected to a first chamber (8) made in said spinneret (2), the suction elements (7, 8, 9, 10, 11, 12, 13, 14) comprising one or more second suction channels (9) configured to suction gas from said first chamber (8).

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Patent Owner(s)

Patent OwnerAddress
FARE' S P A A SOCIO UNICO21054 FAGNANO OLONA (VA)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fare', Rosaldo Fagnano Olona, IT 14 42

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