Method and apparatus for producing slubbed yarn

Details Method and apparatus for producing slubbed yarn Method and apparatus for producing slubbed yarn

D - Textiles, Paper

02

G

28/34

D02G 1/16 (2006.01) D02G 1/20 (2006.01) D02G 3/34 (2006.01)

Patent

CA 1103434

Abstract of the Disclosure A method and apparatus are disclosed for producing randomly slubbed textile yarns. The method involves passing the yarn through a zone of fluid turbulence having a pair of counterdirectional fluid streams maintained under different fluid pressures. The yarn passing between these counterdirectional fluid streams is alternately treated in opposing directions, with slubs being formed at the null points between the opposite directional treatments. Due to the uneven fluid pressures employed, the length of treatment in each direction along the yarn is not consistent, thus leading to slubs at various points along the length of the yarn. A fluid jet is also disclosed for accomplishing this result. The fluid jet includes a pair of interconnected and overlapping passageways having one or more fluid inlets arranged to direct fluid circumferentially around it and with the fluid streams being counterdirectional to one another. The fluid inlets for each passageway are fed fluid at uneven or different fluid pressures to accomplish the random slubbing effect.

286045

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