| 摘要 |
PROBLEM TO BE SOLVED: To provide a molded product comprising a metal annular core material embedded in an elastic body, the annular core material having no burrs at angular portions. SOLUTION: The molded product formed of a rubber or a resin comprises the metal annular core material 7 embedded in the annular elastic body 1. The annular core material 7 is formed by machining a linear body 13 into an annular shape and then fixing its opposed ends 13a, 13a to each other with spot welding. Thus, the annular core material 7 has no burrs, and the molded product such as a seal ring SR has high reliability. COPYRIGHT: (C)2008,JPO&INPIT
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