Process and device for measuring slice gap spacing at a paper machine headbox
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Nov 13, 1997
filing date -
Nov 13, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention refers to a process for measuring spacing at a paper machine headbox. It is primarily characterized by constant magnetic fields being generated at the headbox slice gap area, the intensity of these fields being measured and these measurements being used to determine the gap between the individual lips. The invention also refers to a measuring device to determine spacing in the headbox 1 area of a paper machine, where a magnetic field generator 10 for a constant magnetic field is provided in one of the two elements 11 that determine the gap and a measuring device for magnetic fields 9 is contained in the second of the two elements 7, 8 determining the gap.
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