Patent ID: 8142185

Claim:
A mold adapted to mold a product having an intermediate portion that forms a barbed structure, the mold comprising a stationary mold section and a movable mold section, the stationary mold section comprising: a stationary mold fixing board; a stationary mold board mounted to the stationary mold fixing board, the stationary mold board forming an inclined extension trough and an inclined position limiting chute communicating the extending trough; a stationary mold core fixed inside the stationary mold board, the stationary mold core forming a stationary mold cavity, the stationary mold core forming an inclined slide chute having an end in communication with the stationary mold cavity; an oblique block movably disposed in the slide chute and having an end extendable out of the stationary mold cavity and an opposite end forming an accommodating hole, the oblique block having a molding hole communicating the stationary mold cavity; a position limiting element comprising a position limiting end and a fixing end connected the position limiting end, the fixing end being received in the accommodating hole by extending through the position limiting chute and fastened to the oblique block, the position limiting end being movably disposed in the position limiting chute; and an elastic element received in the accommodating hole of the oblique block and encompassing the fixing end, one end of the elastic element being set against a wall of the accommodating hole, an opposite end of the elastic element being positioned against a wall of the extension trough of the stationary mold board.