| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mold superior in clearance accuracy of an abutment and capable of improving productivity. <P>SOLUTION: The mold is used for injection molding of a resin made seal ring with a rectangular cross section with the abutment with a combined step shape, and the resin made seal ring in which an outer peripheral face 4a on a step part of an outer peripheral face side 4 constituting the combined step shape has an inclination facing to the inside diameter side towards to a seal ring side face 1d and a projection on the outer peripheral face of another abutment engaged with the step part of the outer peripheral face side 4 has an almost same inclination towards to the inside diameter, can be molded by the mold. <P>COPYRIGHT: (C)2007,JPO&INPIT |
