Press roll for paper machines

Details Press roll for paper machines Press roll for paper machines

D - Textiles, Paper

21

F

92/21.5

D21F 3/00 (2006.01) C23C 4/02 (2006.01) D21F 3/08 (2006.01)

Patent

CA 1260303

ABSTRACT OF THE DISCLOSURE A paper machine press roll comprising, as integrally joined together, a metal core, a ground layer comprising a metal material layer formed over the outer periphery of the core and having a smaller coefficient of expansion than the surface material of the core, and a ceramics layer formed over the ground layer and having a porosity of 1 to 30%.

507681

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