Multiple pin closure nozzle assembly for injection molds

Abstract

A multiple closure pin nozzle assembly serves for the simultaneous charging of several individual molds in an injection molding mold and has two or more closure pins arranged in a common housing and driven by a common piston drive. Each closure pin closes a nozzle orifice arranged relative thereto and can be pulled back from this in order to allow the injection of molding material. In the region of the respective nozzle mouth, a heating device is arranged. In the common housing, feed channels are provided with branches which lead to the individual closure pins and their mouths. The common housing is split up below this common feed channel and its branches into separate housing portions connected with the common housing and each accommodating an individual closure pin and nozzle mouth. The housing portions have walls which run around the pins and interspaces between these walls to enable supports for the multiple nozzle assembly to be introduced below the common housing region between the housing portions.

Dependencies are inferred from the claim text.