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1. (WO2010122207) AN INDICATOR FOR DETERMINING USABLE THICKNESS OF A COVER OF A PAPER MACHINE ROLL

Pub. No.:    WO/2010/122207    International Application No.:    PCT/FI2009/050290
Publication Date: Fri Oct 29 01:59:59 CEST 2010 International Filing Date: Tue Apr 21 01:59:59 CEST 2009
IPC: D21G 1/02
F16C 13/00
Applicants: METSO PAPER, INC.
AJOVIITA, Tommi
SUURONEN, Jaana
Inventors: AJOVIITA, Tommi
SUURONEN, Jaana
Title: AN INDICATOR FOR DETERMINING USABLE THICKNESS OF A COVER OF A PAPER MACHINE ROLL
Abstract:
The present invention relates to a cover of a roll of a paper, board, finishing or tissue machine, comprising a bottom layer comprising a polymer matrix and fibres, an intermediate layer comprising a polymer matrix and fibres and a functional layer comprising a polymer matrix and fibres. In a typical cover according to the invention, the intermediate layer further comprises material having a colour different from the colour of the bottom and functional layers.