Polyurethane rubber covered roll

摘要

Metal core is wrapped in fibres impregnated with a thermoset resin and then transferred to a cylindrical mould where the polyurethane rubber composition is injected and bonds to the fibre wrapping. Moulding is effected before or after curing of the resin and with or without initial surface treatment such as trimming or bonding agent coating. Surface stripping is minimised by the fibre coating. Paper making rolls are suitably covered in this way.