Patent ID: 6793754
Filing Date: 2004-09-21
Classification: B29C,B29K,B29L,D21F,D21G,F16C

Abstract:
A method for producing a covered roll, the covered roll having a multi-layered construction, said method comprising the steps of:a. providing a roll core base, said roll core base having two ends, an axial length therebetween and an outer surface; b. providing a dry under-layer formed of densely packed fibers; c. tightly wrapping said under-layer circumferentially around said roll core base; d. applying a covering layer over the dry under-layer to provide an annular axially extending resin infusion channel between said outer surface and said covering layer, said resin infusion channel being filled with said densely packed fibers of said dry under-layer; e. providing opening through said covering layer in the vicinity of each of said ends of said roll core base, said openings extending to said resin infusion channel; and f. applying a low-viscosity thermoset resin with vacuum to said openings to cause said resin applied to said openings in the vicinity of said ends of said roll core base to infuse into said densely packed fibers over substantially the entire length of said roll core base and to intimately bind with said densely packed fibers of said under-layer within said resin infusion channel.