| 摘要 |
<p>An insert-molding mold includes a pair of dies that molds a resin product having a collar insert-molded on an inner circumferential surface of a bolt insertion hole therein, and a bush that is adapted to be inserted in the collar. One die of the dies is provided with a bush insertion hole in which the bush is slidably inserted, and the other die is provided with a cavity surrounding the collar. The bush comprises an upper portion having a cross-sectional shape corresponding to an internal cross-sectional shape of the collar, and a lower portion having a cross-sectional shape corresponding to an external cross-sectional shape of the collar, and is elastically urged toward the other die.</p> |
