Patent ID: 6796786
Filing Date: 2004-09-28
Classification: B01F,B29C,B29K

Abstract:
An assembly for injection molding rubber comprising a mold cavity, a gate located immediately adjacent to the mold cavity, and a hot runner in communication with the gate, the hot runner being formed from a top plate and a bottom plate, wherein:a portion of the hot runner in both the top plate and the bottom plate is formed from a plurality of single direction inclined spaced flow channels, the channels in each plate being inclined at an angle relative to a centerline of the runner, and the channels in each plate being inclined in the same single direction such that when the top plate is positioned over the bottom plate to form the runner, the inclined spaced flow channels of the top and bottom plates are inclined in opposing directions to create cross directional flow of material through the portion of the runner.