Cooling arrangement for gate valve stem in Systems for Injection Molding Machines Hot cumshot

摘要

The present Invention relates to a Valve Member includes a Body,The Gate has a channel for receiving a material flowing and dispensed by a Valve Stem with distal ends and the next; lining with an opening to form a SeatIn communication with the channel and the holding Rod Body includes a Cavity that extends along its length to a point near its distal end and is adapTada to accommodate a material Heat Exchange Member, additionally Incorporating a Cylinder and a piston movable placed in him,The Piston is positioned at the valve stem and Taking Sides against which the material is Heat Exchange to reciprocate The Piston and the valve stem includesAt least one Passage adapted to engage and connect with the Cylinder cavity in at least one side and at least one position of the piston.