Device for monitoring the depletion of material uncoiling from r

Details Device for monitoring the depletion of material uncoiling from r Device for monitoring the depletion of material uncoiling from r

1990-07-03

1993-01-05

Harvey, Jack B.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

242 57, 340675, B65H 1800, G08B 2100, G01R 2726

Patent

active

051774461

ABSTRACT:
A sensing facility that is integrated into a station from which strip material is fed to a wrap station, and/or into the roll and shaft from which the strip is effectively uncoiled, is designed to monitor an electrical impedance generated by the roll and shaft and/or linked to their overall radial dimensions. An output signal is triggered when the monitored level of impedance matches a selected reference value.

REFERENCES:
patent: 3227951 (1966-01-01), Dykaar
patent: 3409242 (1968-11-01), Kishioka
patent: 3662576 (1972-05-01), Girlatschek
patent: 4170346 (1979-10-01), Murray et al.
patent: 4620184 (1986-10-01), Nedstedt
patent: 4682105 (1987-07-01), Thorn
patent: 4913366 (1990-04-01), Andou
patent: 4913367 (1990-04-01), Hata

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