Apparatus for hot air bulking of synthetic yarn
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 11, 1990
Issued Date -
N/A
app pub date -
Sep 4, 1987
filing date -
Mar 17, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Synthetic yarn to be bulked and heat set is supplied to a plurality of ovens in coiled form and is subjected to an even hot flow of dry gaseous fluid to bulk and heat set the yarn as it passes successively through the bulking oven and the heat setting oven. Safety controls are provided to prevent damage to the yarn when the conveying system is shut down and the yarn is being conveyed through the system.
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