FLUID-DRIVEN APPARATUS FOR FEEDING A FABRIC IN A PROCESS TUMBLER

A fluid-driven apparatus continuously feeds fabric in open-width form. The apparatus is associated in combination with a tumbler processing the fabric. The apparatus includes a tubular duct, with a substantially rectangular transversal cross section, has boundary walls which delimit an internal cavi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BIANCALANI, Massimo, RAVAGLI, Riccardo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR HEATING LAUNDERING LIGHTING MECHANICAL ENGINEERING TEXTILES TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS TREATMENT OF TEXTILES OR THE LIKE WEAPONS
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Beschreibung
Zusammenfassung:	A fluid-driven apparatus continuously feeds fabric in open-width form. The apparatus is associated in combination with a tumbler processing the fabric. The apparatus includes a tubular duct, with a substantially rectangular transversal cross section, has boundary walls which delimit an internal cavity inside the duct. A manifold supplies gaseous fluid into the duct through an opening formed in the top or bottom wall of the duct. Ports for the fluid extend in a direction longitudinal to the duct, into and out of the cavity. The manifold abuts the opening to divide the duct into two distinct stretches delimited by the manifold and by the ports. The manifold includes a diverter for selectively directing the fluid towards one of the stretches of the duct. A portion of one of the duct stretches is divergent in shape, with a transversal cross section increasing from the manifold to the respective end port.