| 摘要 |
<p>ALLAN A. WIGGINS, JR. for CONTINUOUS CONDITIONING AND TEXTURIZING SYNTHETIC YARN TO PRODUCE A PRODUCT YARN HAVING SUBSTANTIAL LATENT SHRINKAGE Case No. 981 A process is provided in which partially oriented synthetic yarn such as partially oriented polyester yarn is fed continuously first to and through a bath of a liquid conditioning agent such as a dye, then to a first heated roll and then to a second heated draw roll to draw the partially oriented yarn, then to a texturizer and then to a takeup roll, all in one continuous operation, to produce a conditioned and texturised yarn product possessing about 12% to about 30% latent shrinkage. Also provided is a novel process for dyeing undrawn, partially drawn or fully drawn synthetic yarn.</p> |
