G - Physics – 01 – B
Patent
G - Physics
01
B
33/175
G01B 7/06 (2006.01) D21F 7/06 (2006.01)
Patent
CA 1283284
Abstract of the Disclosure 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 posi- tion 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.
551302
Mccurdy Donald J.
Riggin Michael T.
Macrae & Co.
Valmet-Sentrol Ltd.
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