Patent ID: 9475246
Filing Date: 2016-10-25
CPC Classification: B29C,B29D

Claim Text:
1. A molding device for molding a plastic material, comprising: a center core concentric about a central axis of the molding device, the center core comprising a plurality of center core inlets and a plurality of center core outlets; a cooling ring disposed around the center core and concentric about the central axis of the molding device, the cooling ring comprising: a thread core concentric about the central axis of the molding device and disposed around the cooling ring, wherein the center core, the cooling ring, and the thread core are configured to define a fluid coolant flow path through which coolant may flow into the plurality of center core inlets, through a plurality of internal channels bounded by the plurality of internal grooves and the center core, through the plurality of traversing channels, through a plurality of arcuate channels bounded by the plurality of arcuate grooves and the thread core, through a plurality of external channels bounded by the plurality of external grooves and the thread core, and through the plurality of center core outlets.