Press roll for paper machines

Details Press roll for paper machines Press roll for paper machines

D - Textiles, Paper

21

F

D21F 3/08 (2006.01)

Patent

CA 2052925

A paper machine press roll comprising a metal core, a ground layer formed over the outer periphery of the core and made of a metal material having a small coefficient of expansion, and a mixture layer formed over the outer periphery of the ground layer and comprising a ceramic and a water retentivity imparting particulate substance such as mica. At least in a surface layer portion of the mixture layer, an organic high polymer such as synthetic resin or wax is filled in the interstices between particles of the ceramic and particles of the water retentivity imparting substance.

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