B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
28/31
B29C 45/00 (2006.01) C08L 75/04 (2006.01) D02J 1/22 (2006.01)
Patent
CA 1265323
ABSTRACT Apparatus for shrinking thread having a spool with a speed control, a liquid tank and rollers for guiding thread into and out of the tank, a drive for drawing the thread off the spool and through the tank, a drying chamber, and rollers in the chamber for guiding the thread, a tension releaser between the drying chamber and the drive to relax tension in the thread, a thread wind-up, a speed sensor for sensing the speed of the thread, and, a process control connected to the speed sensor, and to the drive, and to the speed control to control their operation. Also disclosed is a method of shrinking thread in which the thread is shrunk twice, and in the second shrinking step a shrink setting compound is added to the water, so as to temporarily set and retain the shrink. The compound will be washed out later when a garment sewn with the thread is washed.
480064
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