Patent ID: 7134301

Claim:
A multi-gob I.S. glassware forming machine comprising a mold open and close mechanism at each blank station of the machine including an opposed pair of mold holders selectively displaceable between open and closed positions, each of said mold holders having upper and lower hangars for supporting a plurality of mold halves each having vertically extending cooling air passages communicating with an annular horizontal bottom surface of the mold half, the lower hanger comprising a discrete air plenum for each of the supported mold halves, and each plenum having a series of upwardly facing apertures adapted to communicate with the cooling passages of the supported mold half, and a discrete corresponding plurality of air supply means for supplying cooling air to said plurality of discrete air plenums, each of said discrete air supply means including an adjustable flow volume control for controlling the cooling air supplied to the discrete air plenum.