| 摘要 |
A mold structure of a spike comprises a male mold base and a female mold base, and the female mold base is corresponded to the male mold base. The female mold base comprises a first female mold, a second female mold, a third female mold and a thimble. The first female mold is fixed on the female mold base, and the first female mold is formed a through hole therein; the second female mold is penetrated into the through hole of the first female mold, and the second female mold is formed a through hole therein; the third female mold is penetrated into the through hole of the second female mold, and the third female mold is formed a through hole therein. And the thimble is disposed on a thimble base, and correspondingly penetrated into the through hole of the third female mold.
|
