| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mold device that hardly causes fixation between a molding material and a cylindrical molding surface. <P>SOLUTION: The mold device 1 includes: a molding surface 200 having the cylindrical molding surface 200b directed radially outward, which molds a cylindrical surface 90 directed radially inward of a molded article 9 and has a part to be fixed to which the cylindrical surface 90 is highly likely to be fixed; and a cooling passage P, which is disposed radially inward of the cylindrical molding surface 200b in viewing from an axial direction and has folded parts Pa1, Pb1 radially corresponding to the part to be fixed, and through which a coolant W flows, wherein a mold opening direction is defined as the axial direction, while a direction perpendicular to the axial direction is a radial direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
