Fluff reducing device in textile yarns

US7104040B2 · kind B2 · utility

Assignee

• SAVIO MACCHINE TESSILI S.P.A. · IT

Inventors

• Luciano Bertoli · Aosta, IT
• Giovanni Gardin · Pordenone, IT
• Guido Belforte · Torino, IT
• Terenziano Raparelli · Torino, IT
• Francantonio Testore · Torino, IT
• Vladimir Viktorov · Torino, IT
• Alexandre Ivanov · Torino, IT
• Andrea Trivella · Torino, IT
• Matteo Martinelli · Torino, IT

Key dates

• Filing date: Apr 19, 2004
• Grant date: Sep 12, 2006
• Expiry date: Sep 26, 2024

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2701/31
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

Device for reducing the fluff of a yarn comprising a longitudinal duct for the passage of the yarn, and ducts for the injection of air, tangential to the yarn, forming a vortex in accordance with the yarn twist, without the interposition of deviation and control means for generating a balloon.