PROCEDIMENTO E DISPOSITIVO PER COMANDARE UN FILO DI TRAMA SU UNAMACCHINA TESSILE PRIVA DI NAVETTA

PROCEDIMENTO E DISPOSITIVO PER COMANDARE UN FILO DI TRAMA SU UNAMACCHINA TESSILE PRIVA DI NAVETTA

Method of and apparatus for controlling a weft thread in a shuttleless loom, particularly a shuttleless weft-change loom. The apparatus has a rotary measuring device provided with a winding arm. In accordance with the invention, the weft thread is variably braked between a measuring point and a weft...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: VLADIMIR SVATY
Format: Patent
Sprache:ita
Schlagworte:
LOOMS
METHODS OF WEAVING
TEXTILES
WEAVING
WOVEN FABRICS
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Beschreibung
Zusammenfassung:Method of and apparatus for controlling a weft thread in a shuttleless loom, particularly a shuttleless weft-change loom. The apparatus has a rotary measuring device provided with a winding arm. In accordance with the invention, the weft thread is variably braked between a measuring point and a weft thread supply. In the apparatus of the invention the winding arm is provided with an open thread guide, and adjacent the measuring drum there is provided at least a pair of controlled presenter levers, the presenter levers preceded by positively controlled thread brakes.