Roller caliper gauge

Details Roller caliper gauge Roller caliper gauge

1986-11-07

1988-05-03

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33143L, G01B 322

Patent

active

047411090

ABSTRACT:
A roller caliper gauge for providing an accurate measurement of the thickness of a high speed web of paper or the like in which a proximity device located within a housing disposed between a pair of rollers on a head on one side of the web is responsive to a web in an operative position adjacent to the housing. A platen on a head on the other side of the housing is pneumatically moved toward the rollers to cause the web to make line contact with the rollers when in the operative position.

REFERENCES:
patent: 2503720 (1950-04-01), Gieseke
patent: 2932089 (1960-04-01), Dexter
patent: 3513555 (1970-05-01), Vachon
patent: 3528002 (1970-09-01), Dunlavey
patent: 3943632 (1976-03-01), Albertazzi

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