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Hot runner valve gated system

Image Number 6 for United States Patent #5533882.

A hot runner valve gated system comprising at least one nozzle housing adapted to be positioned in a manifold plate. The nozzle housing includes a gate orifice and a reciprocal valve stem positioned therein. The system also includes a mechanism for moving the valve stem for opening and closing the gate valve and is designed to maintain the mechanism for moving the valve stem in a substantially cooled state. The mechanism for moving stem is positioned coaxially relative to the nozzle housing.

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