Ultrasonic cutting of fabric tufts to provide improved retention of tuft indentity during use

A process and apparatus for cutting tufted loops of yarn of a fabric, such as a carpet, by applying sufficient energy from an ultrasonically vibrating horn, operating with either a shearing or a pincer action in cooperation with a mechanical device, either or both having a cutting edge, to cause at...

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Bibliographische Detailangaben
Hauptverfasser:	STAUNTON, HAROLD F, VINOD, YASHAVANT V
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING EMBROIDERING FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING PERFORMING OPERATIONS SEWING SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TEXTILES TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TUFTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process and apparatus for cutting tufted loops of yarn of a fabric, such as a carpet, by applying sufficient energy from an ultrasonically vibrating horn, operating with either a shearing or a pincer action in cooperation with a mechanical device, either or both having a cutting edge, to cause at least some of the filaments in said yarns to soften and fuse to adjacent filaments during cutting of said tufted loops.