Patent ID: 8562333
Filing Date: 2013-10-22
Classification: B29C

Abstract:
1. Mold apparatus comprising an oven chamber, a low pressure return chamber, a high pressure chamber, a plurality of gas burners and means to rotate said apparatus wherein the oven chamber is fluidly connected to the low pressure return chamber by means of a plurality of ports and is adapted to receive tooling; and wherein the low pressure chamber is fluidly connected to the high pressure chamber by fan means operable to pressurize the air in the high pressure chamber and to circulate the air in the mold apparatus between the chambers; and wherein the high pressure chamber is fluidly connected to the oven chamber by means of a plurality of combustion conduits each having an intake section and exhaust nozzle section and wherein each said gas burner is aligned with one of said combustion conduits; and wherein said burners are operable to heat the air in the intake sections of the combustion conduits and wherein each said nozzle section accelerates and directs a high velocity hot air stream into the oven chamber to the heat tooling in the oven chamber.