Paper making and fiber liberation – Apparatus – Measuring – testing – inspecting – indicating or illuminating
Patent
1989-03-06
1989-10-31
Alvo, Steve
Paper making and fiber liberation
Apparatus
Measuring, testing, inspecting, indicating or illuminating
73 377, 73159, 271195, 356431, D21F 706, G01N 2101
Patent
active
048774855
ABSTRACT:
A sheet inspection station including pneumatic means for guiding the sheet past one or more measurement sensors in non-contacting fashion, thus eliminating measurement error resulting from fiber/dust buildup associated with friction between the sheet and conventional guide rails. Air is directed from components, that extend from a sensor surface, onto the sheet surface.
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patent: 3629593 (1971-01-01), Van Brimer
patent: 3633281 (1972-01-01), Vits
patent: 4131320 (1978-01-01), Volat et al.
patent: 4319847 (1982-01-01), Howarth
patent: 4434649 (1984-01-01), Williams
patent: 4444531 (1984-01-01), Baker et al.
patent: 4449398 (1984-01-01), Williams
patent: 4528507 (1985-01-01), Domin et al.
Alvo Steve
Berneike Richard H.
Process Automation Business Inc.
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