Roll cover and a covered roll
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 9, 2012
Grant Date -
Jun 3, 2010
app pub date -
Mar 20, 2008
filing date -
Mar 23, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Invention relates to a roll cover and a covered roll for paper, board, finishing and tissue machines. More specifically it relates to a roll particularly used in calendar which roll comprises a metal roll body and a cover of a composite material on it. The cover has at least three layers which comprise polymer matrix and fiber reinforcement the material of the being different at least in successive layers.
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