Patent ID: 7674106

Claim:
A molding apparatus, comprising: a first mold core having a first molding portion; a second mold core having a second molding portion, the first molding portion and the second molding portion being configured for cooperatively defining a mold cavity; a mold core receiving member defining a through hole for movably receiving the second molding portion therein, at least three spaced receptacles in an inner wall of the through hole, and at least three spaced receiving holes in communication with the respective at least three receptacles; at least three positioning members respectively received in the at least three receptacles, the at least three positioning members being moveable in the at least three receptacles in directions substantially perpendicular to a lengthwise direction of the second molding portion; and at least three pushing members received in the at least three receiving holes and being moveable therealong in directions substantially parallel to the lengthwise direction of the second molding portion, the at least three pushing members being configured for urging the at least three positioning members to move toward the second molding portion in at least three directions, respectively, such that the at least three positioning members tangentially contact an outer wall of the second molding portion so as to hold the second molding portion in position.