Method of producing an air textured yarn
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United States of America Patent
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Oct 8, 1991
Grant Date -
N/A
app pub date -
Aug 28, 1989
filing date -
Dec 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for producing an air textured yarn is disclosed, and wherein a partially oriented yarn is withdrawn from a supply package, drawn, and then directly advanced into an air texturing nozzle, wherein a jet of unheated air serves to impart loops, curls, bows and the like to the advancing yarn. The drawing godet of the drawing system is heated so as to heat the advancing yarn, and the yarn is then advanced from the heated godet to the air jet nozzle under a relatively low tension so as to permit the heated yarn to shrink and thereby reduce the residual shrinkage. The jet is unheated air in the air jet nozzle also cools the yarn ahnd thus the formation of the loops, etc. occurs only after shrinkage has ceased.
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