JP2005242191A5 - - Google Patents

Claims (6)

The rotary shaft is cast fixed to the foam forming material into the mold, then heated to cure, in the manufacturing method of the foamed elastic body roller having a urethane foam layer on the outer periphery of the rotary shaft, the urethane A method for producing a foamed elastic roller, wherein the foam layer is cured from a mold in a state where the curing rate is 30% or more and 70% or less, and then secondarily cured under no pressure. The method for producing a foamed elastic body roller according to claim 1, wherein the urethane foam layer taken out of the mold after 5 minutes has a hardness of 60 g / mm or more and 140 g / mm or less . The method for producing a foamed elastic roller according to claim 1, wherein heating is performed at a temperature of 40 ° C. or more and 120 ° C. or less immediately after the casting. The method for producing an elastic foam roller according to any one of claims 1 to 3, wherein the secondary curing is performed by heating at a temperature of 30 ° C or higher and 120 ° C or lower . The method for producing a foamed elastic roller according to any one of claims 1 to 4, wherein the secondary curing is performed at an absolute humidity of 15 g / m ³ or more and 200 g / m ³ or less . A foamed elastic roller, wherein the foamed elastic roller obtained by the manufacturing method according to claim 1 is a toner supply roller.