Injection molding mold, and injection molding method for hollow article
AssigneeNissei Asb Machine Co., Ltd.
InventorMasayuki USAMI
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Abstract
An injection molding mold including a neck mold forming an outer surface of a neck portion of a hollow article, an injection cavity mold forming an outer surface of a body portion of the hollow article, and an injection core mold forming an inner surface of the hollow article, in which the injection core mold includes an outer core mold forming an inner surface of the neck portion including an inner screw portion and, while rotating along the inner screw portion, being movable along a rotation axis thereof, and an inner core mold forming an inner surface of the body portion of the hollow article having a smaller diameter than that of the neck portion and being linearly movable inside the outer core mold along the rotation axis.
Claims5
An injection molding mold for injection-molding a hollow article in which an inner screw portion is formed on an inner surface of a neck portion, the injection molding mold comprising:
- a neck mold forming an outer surface of the neck portion;
- an injection cavity mold forming an outer surface of a body portion of the hollow article;
- and
- an injection core mold forming an inner surface of the hollow article,
- wherein the injection core mold includes:
- an outer core mold forming the inner surface of the neck portion including the inner screw portion and, while rotating along the inner screw portion, being movable along a rotation axis thereof;
- and
- an inner core mold forming an inner surface of the body portion of the hollow article having a smaller diameter than that of the neck portion and being linearly movable inside the outer core mold along the rotation axis.
Dependencies are inferred from the claim text.