Heating apparatus for heating an advancing synthetic filament yarn
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United States of America Patent
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May 13, 1997
Grant Date -
N/A
app pub date -
Jun 22, 1995
filing date -
Jun 22, 1994
priority date (Note) -
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Abstract
An elongate heater for heating an advancing synthetic filament yarn with reduced friction. The yarn is advanced in contact with a generally flat contact surface of the elongate heater, with yarn guides being arranged along the heater in spaced apart relationship, and so as to guide the yarn in a zigzagged path with a predetermined amplitude over the contact surface. The yarn guides may be constructed as cylinders, which extend perpendicularly to the contact surface of the heater.
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