Thickness gauge having a low unsprung weight for moving sheet ma

Details Thickness gauge having a low unsprung weight for moving sheet ma Thickness gauge having a low unsprung weight for moving sheet ma

1991-05-31

1992-07-21

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

73159, G01B 710, D21F 706, G01R 3312

Patent

active

051326191

ABSTRACT:
A caliper gauge for relatively thin moving sheet material is provided by the use of a pair of outer ring air bearings flexibly supported which tend to flatten the sheet. An inner central portion of each ring respectively carries active and passive magnetic circuit means with the passive means being supported by an elongated strap of Kevlar which is elongated in the machine direction of the sheet material. This provides for very low unsprung weight.

REFERENCES:
patent: 4929895 (1990-05-01), Typpo

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