Yarn heating apparatus and method
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United States of America Patent
Stats
-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Mar 5, 1986
filing date -
Mar 5, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A yarn heating apparatus and method is disclosed which is adapted for the continuous heat treatment of a running synthetic yarn in a yarn false twist texturizing machine or the like. The apparatus includes a yarn guide tube through which the running yarn is conducted, and a surrounding heater box is provided for heating the exterior of the yarn guide tube so as to heat the running yarn as it is conducted therethrough. Also, air supply means is provided for positively introducing outside ambient air into the yarn guide tube adjacent the entry end thereof, and such that turbulence is produced in the air as it moves through the yarn guide tube to thereby improve heat transfer between the tube and the running yarn.
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