Dual stage floating ring mold ejection
AssigneeTop Grade Molds Ltd.
InventorsVince Ciccone, Jerko Knezovic
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AssigneeTop Grade Molds Ltd.
InventorsVince Ciccone, Jerko Knezovic
Estimating the term…
A plastic injection mold is disclosed for molding a cylindrical container having an enlarged annular rim and an annular flange spaced below the rim. The mold includes a core portion and a cavity portion which define therebetween the container to be molded. The core portion includes an inner, annular ejector ring defining a portion of the enlarged container rim. The core portion also includes an outer, annular ejector ring coaxially located adjacent to the inner ejector ring. Axially movable first push rods are connected to the inner ejector ring for moving both rings outwardly to partially eject a molded container upon opening of the mold. The core portion also includes cylinders and pistons connected to the outer ejector ring for separating and moving the outer ejector ring outwardly relative to the inner ejector ring to complete the ejection of the molded container from the mold core.
An injection mold comprising:
Dependencies are inferred from the claim text.