Claims
- 1. Apparatus to provide a false twisted continuous filament, synthetic yarn comprising: a yarn supply means, a false twist mechanism, a primary heater means between said yarn supply means and said false twist mechanism, a yarn take-up means, a secondary heater means between said false twist mechanism means and said yarn take-up means and a means to measure the tension of the yarn being supplied from said yarn supply means, said means including a means to vibrate the yarn at its harmonic frequency and a means to measure the harmonic frequency of the yarn.
- 2. The apparatus of claim 1 wherein said means to measure the tension of the yarn includes a frame, at least one pair of guide members attached to said frame and longitudinally spaced from one another and said air jet means and said means to measure are located adjacent one another between said pair of spaced guide members.
Parent Case Info
This is a division of application Ser. No. 236,966, filed Feb. 23, 1981, now U.S. Pat. No. 4,393,725.
US Referenced Citations (6)
Foreign Referenced Citations (2)
Number |
Date |
Country |
883874 |
Dec 1961 |
GBX |
444956 |
Oct 1974 |
SUX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
236966 |
Feb 1981 |
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