Kona Corporation

Richard D Devellian

Paul M Swenson

A hot manifold system for use in the injection molding of plastics is disclosed wherein runner channel heating is accomplished by heat pipes disposed within the manifold adjacent to the runner channels contained therein. The manifold system is an elongated structure having a heat receiving portion and a runner containing portion such that heat input may be applied to the heat receiving portion at an accessible location relative to the mold and conveyed to the remainder of the manifold for uniform heating thereof by the heat pipes.

Heat pipe manifold system

An extruder barrel of a thermoplastic molding machine connected to an injection molding nozzle provided with a plurality of heat pipes distributed around the central bore of the nozzle, each of the heat pipes deriving its thermal input from the extruder barrel itself.

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Rockport, MA, United States of America

Richard D Devellian