Roll cover and a covered roll

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United States of America Patent

PATENT NO 8282785
APP PUB NO 20100132904A1
SERIAL NO

12450040

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Importance

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Abstract

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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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First Claim

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Patent Owner(s)

Patent OwnerAddress
VALMET TECHNOLOGIES INCKEILASATAMA 5 ESPOO FI-02150

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ajoviita, Tommi Tikkakoski, FI 2 4

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