Rubber or plastic coated roller, method and apparatus for production thereof

Abstract From the Canadian patent

This invention concerns particularly a rubber or plastic-coated roller such as a fixing roller to be used in the thermal fixing part of an electrophotographic copying machine, and a method and an apparatus for production thereof. It effects the production of the rubber or plastic-coated roller by placing a cylindrical mold upright, fitting into the lower part of the cylindrical mold a lower plug provided in the inside thereof with a tapered surface for guiding a core shaft and at the center thereof with a material injection hole inserting into the, cylindrical mold the core shaft having tapered surfaces one each the opposite ends thereof or the core shaft having tapered surface one each at …