Sheet-contacting thickness gauges

Details Sheet-contacting thickness gauges Sheet-contacting thickness gauges

1987-12-29

1991-12-24

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Continuous gauging

3350104, 73159, 324229, G01B 706

Patent

active

050740504

ABSTRACT:
A contacting thickness gauge comprising a unique surface follower (46). The bottom surface (56) of the surface follower (46) has both contacting areas (64,66) and non-contacting areas (62). The surface follower (46) is in substantially continuous contact with a moving sheet (2) and embodies an electrically conductive target having a target surface that intersects a magnetic field but is substantially free from contact with the sheet during normal operation. The surface follower (46) is designed to minimize damage to the sheet (2) that would otherwise occur from contact between the surface follower and a protruberance of the sheet, and to preserve the characteristics of the target surface.

REFERENCES:
patent: 2221516 (1940-11-01), Hathaway
patent: 2266620 (1941-12-01), Coffman
patent: 3411075 (1968-11-01), Kahoun
patent: 3513555 (1970-05-01), Vachon
patent: 3525929 (1970-08-01), Mounce
patent: 3703097 (1972-11-01), Kilpatrich et al.
patent: 3818327 (1974-06-01), Alexander
patent: 3828248 (1974-08-01), Wennerberg
patent: 4107847 (1978-08-01), Typpo et al.
patent: 4134211 (1979-01-01), Typpo et al.
patent: 4434649 (1984-03-01), Williams

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