Inner mold tool
AssigneeTetra Laval Holdings & Finance S.A.
InventorPeter Vighagen
Life of this patent
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Abstract
An inner mould tool forming part of a mould to be used during injection moulding of plastic articles, such as plastic tops for liquid food packages, is provided. The inner mould tool comprises an outer surface defining the interior surface of the plastic article to be produced, wherein the longitudinal end of the inner mould tool is provided with a bushing having a planar surface defining the longitudinal end of the inner mould tool and being configured to be in contact with mating outer mould tools during injection moulding. The bushing is provided with side walls extending from the planar surface, said side walls forming part of the outer surface of the inner mould tool.
Claims9
An inner mould tool forming part of a mould to be used during injection moulding of a plastic article, wherein the inner mould tool comprises an outer surface defining the interior surface of the plastic article to be produced, wherein the longitudinal end of the inner mould tool is provided with a bushing having a planar surface defining the longitudinal end of the inner mould tool and being configured to be in contact with mating outer mould tools during injection moulding, the bushing being provided with side walls extending from the planar surface, said side walls forming part of the outer surface of the inner mould tool,
- wherein the inner mould tool comprises a neck part and a spout part, wherein the spout part is configured to form a pouring spout of the plastic article, and the neck part is configured to form a neck of the plastic article, the neck being located between the pouring spout and a body portion of the plastic article, and
- wherein the side walls of the bushing form the longitudinal end of the spout part.
A mould to be used during injection moulding of plastic articles, comprising an inner mould tool and at least two outer mould tools, said mould tools together defining a cavity to receive molten plastic material during injection moulding, wherein the longitudinal end of the inner mould tool is provided with a bushing having a planar surface defining the longitudinal end of the inner mould tool and being configured to be in contact with mating outer mould tools during injection moulding, wherein the bushing is provided with side walls extending from the planar surface, said side walls being arranged at a distance from the outer mould tools during injection moulding.
Dependencies are inferred from the claim text.