SPINNERET AND METHOD OF MANUFACTURING FIBER WEB

A large spinneret can be produced using a general-purpose processing machine that is relatively inexpensive and is able to be introduced, so that a spinneret capable of reducing production costs and capable of manufacturing a fiber web having favorable variation in basis weight is provided. The spin...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO, Taku, KANEMORI, Yasunori, TAMURA, Tomoki, FUNAKOSHI, Joji
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A large spinneret can be produced using a general-purpose processing machine that is relatively inexpensive and is able to be introduced, so that a spinneret capable of reducing production costs and capable of manufacturing a fiber web having favorable variation in basis weight is provided. The spinneret of the present invention is a spinneret formed of a plate where a plurality of nozzle holes are formed or a plurality of the plates stacked one another in a spinning direction. At least one of the plates has a plurality of nozzle holes formed in substantially a rectangular area on a principal surface, and nozzle hole rows are aligned at regular intervals in a long side direction of the rectangle and each of the nozzle hole rows has the nozzle holes aligned in a short side direction of a rectangle. In the rectangular area, there is a non-forming zone that intersects with a plurality of the nozzle hole rows and does not have the nozzle holes. The number of the nozzle holes in all of the nozzle hole rows is identical.