Patent ID: 6390349
Filing Date: 2002-05-21
Classification: B23H,B65H

Abstract:
A device for inducing a force into a filament using a fluid, comprising:an enclosure said enclosure defining a chamber for receiving the fluid and having an ambient pressure said enclosure including: a) a first orifice having an area, said first orifice being in fluid communication with said chamber, said first orifice for receiving the filament and directing the fluid out of said chamber, b) a second orifice defining a passageway having a transverse cross-sectional area larger than said area of said first orifice, said second orifice being in fluid communication with said chamber, said second orifice for receiving the filament and directing the fluid out of said chamber, c) a sidewall, said sidewall having an inner surface located radially outward from a line extending between said first orifice and said second orifice, and d) a fluid inlet in fluid communication with the chamber for providing the fluid to said chamber, said fluid inlet located non-tangentially to said inner surface of said sidewall.