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US 10,464,233 B2Granted
Ejector capable of being preheated, injection mold having the ejector, and method of manufacturing molded part using the injection mold
AssigneeKorea Institute of Energy Research
InventorsJeong-Gu Yeo, Young-Hwan Kim, Jin-seok Lee, SeungCheol Yang
Life of this patent
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Abstract
Disclosed is an injection mold. The injection mold includes a mold set having n molds (n is a natural number of ≥2) defining a cavity for injection molding a green body, and at least one ejector provided on at least one of the n molds to separate an injection-molded part from the mold set. The ejector is provided with a first heater capable of heating the mold set to a first temperature.
Claims9
An injection mold comprising:
- a mold set having n molds (n is a natural number of ≥2) defining a cavity for injection molding a green body;
- and
- at least one ejector provided on at least one of the n molds to separate an injection-molded part from the mold set,
- wherein the ejector is provided with a first heater capable of heating up the mold set to a first temperature,
- wherein the injection mold further comprises a hollow sleeve tube surrounding the ejector, and
- wherein the hollow sleeve tube contains a heat transfer fluid medium to transfer heat generated from the first heater of the ejector to the molds to heat the molds.
3 more elements
Dependencies are inferred from the claim text.