| 摘要 |
A mold for making a product having a barbed structure at an intermediate position thereof has a stationary mold including a fixing board, a mold board, a core, an oblique block, a limiting element, and an elastic element. The mold board has a trough and a limiting chute. The core has a cavity and a slide chute. The oblique block having a hole communicating the cavity is movably disposed in the slide chute. An end of the block is extendable out of the cavity and an opposite end forms an accommodating hole. The limiting element includes a limiting end extending into the accommodating hole and a fixing end movably disposed in the limiting chute. The elastic element of which one end is against the accommodating hole and an opposite end is set against the trough is disposed in the accommodating hole.
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