METHOD AND APPARATUS FOR MAKING A SPUNBOND NONWOVEN FROM ENDLESS FILAMENTS

An apparatus for making a spunbond nonwoven (22) from endless filaments (23), wherein a spinneret (1) is provided for spinning the filaments (23) and a cooler (3) is provided for cooling the filaments (23). At the spinneret (1) at least one monomer aspirator (2) is provided for suction removal of ga...

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Bibliographische Detailangaben
Hauptverfasser:	Martin Neuenhofer, Michael Nitschke, Hans-Georg Geus, Martin Swiatek, Detlef Frey
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING COTTON-WOOL FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS KNITTING LACE-MAKING MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-WOVEN FABRICS SPINNING TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	An apparatus for making a spunbond nonwoven (22) from endless filaments (23), wherein a spinneret (1) is provided for spinning the filaments (23) and a cooler (3) is provided for cooling the filaments (23). At the spinneret (1) at least one monomer aspirator (2) is provided for suction removal of gases formed in the spinning process. The monomer aspirator (2) has at least two CD vacuum intake ports (5, 6) provided one after the other in the machine direction (MD), each extending transversely to the machine direction (MD) and on opposite sides of the spinning zone (4). The two CD vacuum intake ports (5, 6) are set up such that a higher volume flow of gas can be removed by suction through one of the two CD vacuum intake ports than through the other CD vacuum port on the opposite side. FIG. 2B