Bulky flat yarn of silky touch and a process for manufacturing the same
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United States of America Patent
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Jun 6, 1989
Issued Date -
N/A
app pub date -
Aug 31, 1984
filing date -
Apr 2, 1980
priority date (Note) -
Expired
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Abstract
A process for manufacturing a bulky flat yarn comprising: preparing at least two kinds of thermoplastic synthetic undrawn yarns having different natural draw ratios, respectively; simultaneously drawing said prepared yarns at a draw ratio which is equal to or larger than the smallest natural draw ratio of the yarns and which is equal to or smaller than the largest natural draw ratio; and releasing drawing tension in the yarns after they are drawn. The yarns are mixed by means of an interlacing air nozzle before or after they are drawn.
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