Patent ID: 7261551
Filing Date: 2007-08-28
Classification: B29B,B29C,B29K,B32B,B65D,Y10T

Abstract:
1. A mold for injection molding preforms, comprising: a first mold portion and a second mold portion, the first mold portion comprising a plurality of cavities, each cavity including a gate for injecting plastic melt and an upper region for molding a neck finish; and the second mold portion comprising a plurality of mandrels, each mandrel having a base end; wherein the first and second mold portions are moveable between a closed position, wherein each of the plurality of cavities of the first mold portion are mated with a corresponding mandrel of the plurality of mandrels of the second mold portion, and an open position; wherein a plurality of void spaces is defined by the cavities and corresponding mandrels when the mold is in the closed position; and wherein at least the area surrounding each gate and the base end of each mandrel comprises a material having a high heat conductivity to allow for rapid cooling of plastic melt when placed in the mold.