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US 11,198,240 B2Granted
Molding mold
AssigneeNissei Asb Machine Co., Ltd.
InventorUpendra Kumar
Life of this patent
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Abstract
An object of the present application is to allow a first cavity mold and a second cavity mold to become integrated with each other in a state in which the first cavity mold constituting an injection cavity mold is inserted into an insertion hole of the second cavity mold, with a cooling flow path for supplying a cooling medium formed between the first cavity mold and the second cavity mold.
Claims13
A molding mold for injection molding of a preform, the molding mold comprising:
- an injection cavity mold configured to form an outer surface of a body part of the preform and an outer surface of a bottom part of the preform,
- wherein the injection cavity mold includes
- a first cavity mold in which a cavity that is a space configured to be filled with a resin material is formed, and
- a cylindrical second cavity mold having an insertion hole at a center thereof, and
- wherein the first cavity mold and the second cavity mold are integrated in a state where the first cavity mold is inserted into the insertion hole, and a cooling flow path to which a cooling medium is configured to be supplied is formed between the first cavity mold and the second cavity mold,
- wherein a plurality of annular outer flange portions protruding outward are provided, at a predetermined interval, on an outer peripheral surface of the first cavity mold,
- wherein a plurality of annular inner flange portions protruding inward are provided, at a predetermined interval, on an inner peripheral surface of the second cavity mold, and
- wherein the first cavity mold contacts the second cavity mold to define a plurality of annular flow paths that form the cooling flow path and are formed between the first cavity mold and the second cavity mold.
5 more elements
Dependencies are inferred from the claim text.