Patent Number: 6,168,743

Title: Method of continuously heat treating articles and apparatus therefor

Abstract: A method and apparatus for steam-treating yarn, films, fibers, fiber tow and other polymeric articles is described. The apparatus includes a first orifice for generating minimum pressure areas and a second orifice to provide a sonic shock region operative to isolate the pressure in one chamber from the pressure in another chamber.

Inventors: Reese; Glen Patrick (Charlotte, NC), Goodall; James Richard (Charlotte, NC)

Assignee: Arteva North America S.A.R.L.

International Classification: D02J 13/00 (20060101); D01D 010/02 (); D02J 013/00 ()

Expiration Date: 01/02/2018