| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mold for molding a roller which suppresses occurrence of burr or a flaw on the surfaces of both of a core material and the piece which supports the core material and excellent in durability or the like, and to provide a roller manufacturing method and the roller manufactured by them. <P>SOLUTION: In the mold for molding the roller having the core material 5, a pipe mold 2 for forming a cylindrical elastic layer on the outer periphery of the core material and at least two pieces 1 and 3 provided in both end parts of the pipe mold and equipped with core material holding parts for holding the core material in the pipe mold, at least the contact parts with the core material of the core material-holding parts 11 in two pieces are enhanced in hardness so that surface hardness is set to 50-70 at Rockwell C hardness (HRC). <P>COPYRIGHT: (C)2007,JPO&INPIT |
