| 摘要 |
<p>A paper feed roller required to accurately transfer paper used in a printer, a fax machine and a copying machine; specifically, a paper feed roller which is lighter and less expensive than conventional ones and can be produced in quantities and with large diameters, comprising a rotating shaft and a cylindrical roller unit produced by pressure-forming a mixture containing a hydraulic composition and then curing and hardening the resultant product and integrally formed on the outer circumference of the rotating shaft.</p> |
