SENSOR ROLLER
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United States of America Patent
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Issued Date -
May 2, 2019
app pub date -
Oct 25, 2018
filing date -
Oct 25, 2018
priority date (Note) -
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Abstract
A sensor roller for determining planarity errors and/or for determining the tension of a strip tangentially engaging the roller has a roller body rotatable about an axis, having an outer surface, and formed with a plurality of radially outwardly open recesses axially spaced on the surface. Rigid sensor bodies each in a respective one of the recess each have an outer surface generally flush with the outer surface of the roller body. Each sensor body forms with a side surface of the respective recess a peripheral circumferentially fully extending gap. Respective force-measuring sensors in the recesses are each braced between a respective one of the sensor bodies and the roller body radially inward of the respective sensor body. An annular weld seam of welding compound is formed in each of the gaps
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