Process and apparatus for cooling a heated yarn
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United States of America Patent
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Nov 1, 1994
Grant Date -
N/A
app pub date -
Feb 26, 1993
filing date -
Apr 29, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process allowing the cooling of a yarn (2) in motion at the exit from a heater (5) before it passes through a treatment member such as a false twist spindle (7), consisting in passing the yarn inside a tube (10) through which a current of cool air or other gaseous product passes, the current of air being directed in a direction opposite to the direction of advance of the yarn. It is characterized in that during this cooling phase, the yarn is held in contact with a support or guide surface arranged coaxially inside the tube (10) through which the current of air which flows in the space contained between the external tube (10) and the guide surface.
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