METHOD AND DEVICE FOR PRODUCING A NON-WOVEN FABRIC FROM FIBRES

METHOD AND DEVICE FOR PRODUCING A NON-WOVEN FABRIC FROM FIBRES

A nonwoven web is made by first depositing fibers as a nonwoven web in a deposition area, then conveying the web away from the deposition area in a web-travel direction, preconsolidating the web in the path, and passing the preconsolidated web between a pair of rollers that compress and final consol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GEUS, HANS-GEORG, NITSCHKE, MICHAEL, FREY, DETLEV, NEUENHOFER, MARTIN, KOPP, HARTMUT, MAAS, MICHAEL, NOACK, CHRISTINE
Format: Patent
Sprache:eng ; pol
Schlagworte:
BRAIDING
COTTON-WOOL
FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS
KNITTING
LACE-MAKING
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL
MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
NON-WOVEN FABRICS
PERFORMING OPERATIONS
TEXTILES
TRANSPORTING
TRIMMINGS
WADDING
WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:A nonwoven web is made by first depositing fibers as a nonwoven web in a deposition area, then conveying the web away from the deposition area in a web-travel direction, preconsolidating the web in the path, and passing the preconsolidated web between a pair of rollers that compress and final consolidate the preconsolidated web, One of the rollers is separated from the web such that final consolidation of the web at a starting level is stopped and at the same time or immediately beforehand upstream preconsolidation of the web increased. After separating the one roller from the web, another roller is engaged with the web at the consolidation station and then final consolidation is recommenced, whereupon upstream preconsolidation of the web is reduced back to the starting level.