Apparatus to measure yarn tension

Details Apparatus to measure yarn tension Apparatus to measure yarn tension

1982-11-17

1984-05-01

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

D01H 1332, G01L 510, G01H 1300

Patent

active

044453221

ABSTRACT:
Apparatus to cause a running length of yarn to vibrate at its harmonic frequency and to electronically measure the harmonic frequency thereof to provide a signal which can be employed to maintain and/or correct the parameters of the system to maintain a desired tension in the yarn being run.

REFERENCES:
patent: 2618970 (1952-11-01), Hitchcock et al.
patent: 2744408 (1956-05-01), Seney
patent: 3273380 (1966-09-01), Seney
patent: 3486369 (1969-12-01), Korzelius
patent: 3854329 (1974-12-01), Jones
patent: 4235102 (1980-11-01), Karlsson

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