Safety device for a roll space of a calender or similar roll machine
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United States of America Patent
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-
Aug 8, 1995
Grant Date -
N/A
app pub date -
Oct 21, 1993
filing date -
Oct 21, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A safety device for the roll space within a calender or other roll machine is disclosed. The rolls when rotating, excite oscillations in the beam at the resonant frequency of the beam. This can occur during start-up or during normal operation. The safety device of the present invention comprises a beam and additional mass that is oscillatorily suspended from the beam in order to reduce the amplitude of the beam oscillations at the beam resonant frequency. In addition, a damping element between additional mass and the beam is used to reduce any undesired oscillations due to newly created resonant frequencies introduced into the system.
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