Patent ID: 8241028

Claim:
A mold comprising: a core insert; a core plate defining a first cavity movably receiving the core insert; a cavity insert; a cavity plate defining a second cavity receiving the cavity insert, the cavity insert and the core insert cooperatively defining a molding cavity when they are held together; an ejection mechanism configured to eject the core insert, the ejection mechanism comprising: a top plate defining a first fastening hole; a bottom plate defining a though hole; and an ejection member comprising an ejection rod and an ejection head, wherein: the ejection rod extends through the bottom plate to be fixed to the top plate, the ejection rod comprises a first rod defining a second fastening hole, a first engaging body comprising a protrusion facing toward the first rod, and a first connecting body between the first rod and the first engaging body; the ejection head comprises a second rod, a second engaging body defining a recess facing toward the second rod, a second connecting body between the second rod and the second engaging body, and a first ejection portion extending from a bottom of the second rod; a shape of the recess matches a shape of the protrusion, the first engaging body and the first connecting body are mutually interengaged with the second connecting body and the second engaging body, with the protrusion fittingly and movably received in the recess; and the first ejection portion is engaged in the core insert.