Patent ID: 7462027

Claim:
A mold apparatus comprising: an upper mold having an upper molding plate and an upper molding core; a bottom mold having a bottom molding plate for matching with the upper molding plate and a bottom molding core, the upper and the bottom molding cores each having a molding surface configured for forming products; and a plurality of elastic elements each having a first end and a second end which are opposite ends of the elastic element; wherein one of the upper molding plate and the bottom molding plate defines a receiving cavity with a plurality of first receiving holes defined in peripheral inner side walls of the receiving cavity and configured for receiving the respective first ends of the elastic elements, a corresponding one of the upper molding core and the bottom molding core having a plurality of second receiving holes defined in peripheral outer side walls thereof and configured for receiving the respective second ends of the elastic elements, the corresponding one of the upper molding core and the bottom molding core being floatingly received and movable in the receiving cavity by force of the elastic elements.