Monitoring the uniformity of tows

Details Monitoring the uniformity of tows Monitoring the uniformity of tows

1994-04-29

1996-02-13

Crowder, C. D.

Textiles: fiber preparation

Working

Drafting

19 65T, D01G 2306

Patent

active

054903084

ABSTRACT:
A method monitors and measures the uniformity of tows with mechanical sensing elements in the course of production on a tow line. The tension of the running tow is measured upstream of a transport roll arrangement and is utilized as a measure of the uniformity of the tow. Irregularities in the tow result in tow tension determination outside a predetermined tension range, and when the determined tension measurement is outside that range the irregular tow portions are remove. Also, the frequency of tow tension determination outside a predetermined range may be used as an indication of tow quality and for removing substandard tows.

REFERENCES:
patent: 2930102 (1960-03-01), Hitchin et al.
patent: 3126579 (1964-03-01), Janszen
patent: 3231958 (1966-02-01), Chadwick
patent: 4477398 (1984-10-01), Henry et al.
patent: 4974296 (1990-12-01), Vidler
patent: 5027484 (1991-07-01), Baba
patent: 5146651 (1992-09-01), Duffy et al.

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