PRODUCTION OF PITCH YARN WEB

PURPOSE:To prevent increase in density of web, to prevent combustion of web resulting from reaction heat and to prevent reduction of operation efficiency caused by high density and the web combustion, by piling pitch yarn on the face of a transporting material while simultaneously carrying out lower...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAI KAZUO, OTAGURO YUKIHIRO, SHINTO NORIFUMI, FUJII KANEYASU, SHINOHARA KOJI
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 NON-WOVEN FABRICS TEXTILES TRIMMINGS WADDING
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent increase in density of web, to prevent combustion of web resulting from reaction heat and to prevent reduction of operation efficiency caused by high density and the web combustion, by piling pitch yarn on the face of a transporting material while simultaneously carrying out lowering in speed and traverse. CONSTITUTION:A traversing column 10 having an air-nonpermeable peripheral wall and a ratio of crossectional area of a yarn threading hole of the column and a delivered yarn threading hole 14 of a suction gun 9 of >=2.5 is connected to right below the suction gun 9. Pitch yarn is traversed by a traversing column 10 in such a way that traversed yarn has an arrangement angle theta of yarn of preferably