Roller for feeding, conveying, and separating paper, and manufacturing method therefor
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United States of America Patent
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Jul 19, 2016
Grant Date -
Aug 20, 2015
app pub date -
Feb 13, 2015
filing date -
Feb 17, 2014
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Abstract
The present invention provides a paper feed/convey/separation roller in which the inner layer is firmly fixed to the outer layer without use of an adhesive and slipping between the inner layer and the outer layer is suppressed, and which ensures required running torque, and a method for producing the roller. In the paper feed/convey/separation roller having a shaft and at least two rubber elastic layers formed on the shaft, said at least two layers including an outermost layer formed of non-foamed polyurethane, and an inner layer disposed under the outermost layer and formed of foamed rubber, wherein the polyurethane outermost layer has an inner surface having unevenness at least along the circumferential direction, which unevenness is provided through molding.
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