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US 7,140,207 B2Granted
Device for the continuous treatment of yarns with process fluids
AssigneeSavio Macchine Tessili S.p.A.
InventorsRoberto Badiali, Mario Minuti
Life of this patent
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Abstract
Device for the continuous treatment of yarns with process fluids comprising a Venturi nozzle fed with process fluid as driving fluid to feed the yarn to the treatment, a distributor for distributing the yarn in the treatment reactor according to a layer of superimposed swirls, a tank reactor, internally equipped with a saddle-shaped guiding surface on which the threads arranged in a layer first descend for immersion and then rise emerging from the process fluid.
Claims8
Device for continuous treatment of yarns with process fluids characterized in that it comprises:
- means for introducing yarn threads which are fed for treatment by suction with a Venturi Nozzle (10), in which the process fluid is fed as driving fluid, entraining with it the yarn (1), either single or in a bundle,
- a distributing device, characterized as hollow tubes (13, 113) which receive the bundle of yarn (1) and distribute it into a treatment reactor (5) forming a layer (34, 134) with superimposed swirls,
- tank reactors (5), internally containing a saddle shaped guiding surface (35, 135) on which the bundle of threads (1) deposited in a layer (34, 134) of swirls moves continuously first with a downward motion immersing it in a process fluid bath, and then with an upward motion with emersion from said bath, rising to an exit by a pulling of a discharge roll (40, 140).
Dependencies are inferred from the claim text.