Load measuring device, manufacturing method for the device and control method using the device
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United States of America Patent
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Oct 9, 2012
Grant Date -
Mar 25, 2010
app pub date -
Jan 17, 2007
filing date -
Jan 17, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A load measuring device for measuring a load acting on an elastically deformable member, has a distance sensor for measuring a length change in response to a deformation of the deformable member under a load. The sensor has a sensing element and a reference element arranged such that a portion of the elastically deformable member is interposed between the sensing element and the reference element. For paper manufacturing or finishing, two members between which the load is measured are cooperating rolls, at least one of which is provided with an elastic cover. One of the rolls includes the sensing element and the other roll includes the reference element. Alternatively, the two members are a roll and a cooperating belt, one having an elastic cover. Also, the sensing element and the reference element may be formed in one and the same member.
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