Patent ID: 7361012
Filing Date: 2008-04-22
Classification: B29C

Abstract:
1. A multiple-level stack mold having a plurality of levels, comprising: a plurality of cavity plates, wherein each of said plurality of cavity plates has a first side with cavities thereon, and wherein the first sides are all facing in a first direction; a plurality of either core plates or plates having core inserts thereon, said cores or core inserts extending from a first side of the core plates, and wherein the first sides are all facing in a second direction; wherein the plurality of either core plates or plates having core inserts thereon in use simultaneously engage the plurality of cavity plates; and a plurality of hot runner systems for receiving and distributing molten plastic in equal amounts to the plurality of cavities, thereby producing plastic parts, wherein at least two of the plurality of hot runner systems are interspaced between at least two of the plurality of core plates, the plurality of cavity plates, or the plurality of plates having core inserts thereon, each of the plurality of hot runner systems including a respective subset of nozzles, each of which faces in the same direction, so that tips of the nozzles are fluidly connectable with cavities of the cavity plates such that the cavity plates are also facing in the same direction.