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US 12,280,531 B2Granted
Mold, blow molding device, and injection molding device
AssigneeNissei Asb Machine Co., Ltd.
InventorMasayuki Usami
Life of this patent
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Abstract
A mold includes a first mold for receiving a neck mold that holds a neck part of a resin preform having a bottom, and for enclosing the preform inside, and a second mold inserted into the neck mold. At least one of a first sliding surface between the neck mold and the first mold and a second sliding surface between the neck mold and the second mold includes a solid lubricant embedded therein.
Claims5
A mold comprising:
- an injection molding mold used for injection molding of a resin preform having a bottom,
- a temperature adjusting mold that is different from the injection molding mold and used to cool down the preform demolded after injection molding, and
- a neck mold that is commonly used between the injection molding mold and the temperature adjusting mold and holds a neck part of the preform to transport the preform from the injection molding mold to the temperature adjusting mold,
- wherein the injection molding mold includes an injection core mold that is inserted into the inner circumference of the neck mold and an injection cavity mold that receives the outer circumference of the neck mold,
- the temperature adjusting mold includes a temperature adjusting core mold that is inserted into the inner circumference of the neck mold and a temperature adjusting cavity mold that receives the outer circumference of the neck mold, and
- solid lubricants are embedded in the outer and inner surfaces of the neck mold, respectively.
3 more elements
Dependencies are inferred from the claim text.