Measuring and testing – Sheet – woven fabric or fiber
Patent
1995-09-07
1998-07-14
Dombroske, George M.
Measuring and testing
Sheet, woven fabric or fiber
25055901, 356431, G01L 504, G01N 2184
Patent
active
057787247
ABSTRACT:
A method of monitoring bagginess of a web transverse to a longitudinal direction of the web is disclosed. The method includes projecting a first reference light onto a front face of the web transverse to the web, and projecting a first measurement light onto the front face of the web non-perpendicular to the front face and transverse to the web. The longitudinal distance on the front face of the web between a point along the first reference light and a corresponding point along the first measurement light are compared to determine bagginess of the web. A method of monitoring bagginess of a web in the longitudinal direction of the web is also disclosed.
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Clapp Todd E.
Costello John J.
Amrozowicz Paul D.
Dombroske George M.
Hakamaki Michaele A.
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