| 摘要 |
A sheet feeding roller, available at a lower cost, having lower hardness with securing both abrasion resistance and sustainability of friction coefficient. The sheet feeding roller comprises a hub, an inner layer provided on an outer peripheral surface of the hub, and an outer layer provided on an outer peripheral surface of the inner layer, the inner layer and the outer layer are formed by an unfoamed cured body of thermosetting urethane rubber wherein the outer layer is harder than the inner layer.
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