Apparatus to measure yarn tension

Details Apparatus to measure yarn tension Apparatus to measure yarn tension

1981-02-23

1983-07-19

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

73160, G01L 510, G01H 1300

Patent

active

043937250

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), Korzilius
patent: 3854329 (1974-12-01), Jones
patent: 4235102 (1980-11-01), Karlsson et al.

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