Patent ID: 7014452

Claim:
A mold assembly comprising: a top mold having a top mold frame and connected to a driving device, a female mold connected to the top mold frame and a plurality of paths defined through the female mold, a concavity defined in the female mold and a first core connected to a recess in an inner periphery of the concavity of the female mold, a second core connected to a recess defined in the first core, a gap defined between the female mold and the first core and between the first core and the second core, the gaps located in communication with the concavity, the paths communicating with escape notches in the first core and escape notches in the second core, the escape notches in the first core and the escape notches in the second core respectively communicating with the gaps, and a lower mold having a male mold mateable with the female mold.