Method and apparatus for making a nonwoven from crimped filaments

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11982032
APP PUB NO 20230220594A1
SERIAL NO

18118186

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Importance

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Abstract

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A nonwoven web is made by displacing an air-permeable mesh-belt conveyor in a horizontal travel direction and spinning and then depositing crimped continuous filaments as a web at a deposit region on the air-permeable mesh-belt conveyor. A first preconsolidation stage is provided downstream of the deposit region and a second preconsolidation separated by a suction gap from the first stage. Air is drawn air through the web and the conveyor at the deposit region at a first predetermined speed, the first and second consolidation stages at a second and third predetermined speeds, and at the suction gap either not at all or at a fourth predetermined equal to at most substantially less than the second predetermined speed.

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Patent Owner(s)

Patent OwnerAddress
REIFENHAEUSER GMBH & CO KG MASCHINENFABRIKSPICHER STRASSE 46 TROISDORF D-53844

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bohl, Patrick Hennef, DE 20 2
Geus, Hans-Georg Niederkassel, DE 38 85
Roesner, Andreas Bonn, DE 13 2
Sommer, Sebastian Troisdorf, DE 57 291
Wagner, Tobias Cologne, DE 52 156

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