Measuring the thickness for a continuous material web

Details Measuring the thickness for a continuous material web Measuring the thickness for a continuous material web

1986-05-28

1987-10-20

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33143L, 324231, G01B 704, G01B 710

Patent

active

047004860

ABSTRACT:
An arrangement for measuring the thickness of a continuous material web. The thickness of the material web is measured by pressing from opposite sides of the web, and on the same spot, wheels which can rotate against the web. One wheel is equipped with a conductive surface, and the other wheel has a detecting element which measures the distance from the conductive surface.

REFERENCES:
patent: 2676298 (1954-04-01), Frommer
patent: 3462680 (1969-08-01), Kahoun et al.
patent: 3676933 (1972-07-01), Slone
patent: 4136454 (1979-01-01), Jenkins et al.
patent: 4271699 (1981-06-01), Williamson
patent: 4291577 (1981-09-01), Baum et al.
Poon, "Magnetic Reluctance Transducer", Journal of Physics E, 7-1970, pp. 507-510.

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