| 摘要 |
Disclosed is a structure for preventing resin leak of an injection molding of a resin covering layer on a covering surface of an insert member using a molding die which includes a first mold and a second mold which forms a cavity in combination with the first mold. The cavity receives the covering surface of the insert member for forming the resin covering layer. The first mold and the second mold include clamping surfaces which face each other and receive a portion of the insert member therebetween. The structure includes i) a first sealing portion provided on the portion of the insert member facing a location of the clamping surface near the cavity. The first sealing portion includes a ridge formed at the portion of the insert member.
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