| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a resin retainer, capable of improving strength and molding accuracy even in a retainer having an odd total number of pocket parts and a large diameter. <P>SOLUTION: The total number of pocket parts 11 is set to be odd so that the number of pocket parts 11 disposed each between gates 14 is most equal. A hot water basin 16 is located in either one of column parts 15 formed at both ends of the pocket part 11 located at the circumferential center between the gates 14 where the number of the pocket parts 11 is odd. <P>COPYRIGHT: (C)2008,JPO&INPIT |
