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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0731510 (1976-10-12) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 32 인용 특허 : 0 |
This invention relates to an improved seal for injection molding mechanism. The lower nozzle portion of a heater with the reciprocal valve pin extending centrally therethrough extends downwardly to the gate in the mold. The generally cylindrical seal is horizontally located in an outward upward flar
In an injection molding valve-gated mechanism having a vertical valve pin which reciprocates in a passage bore in a heater located in a mold to control flow of molten plastic from a molding machine to a cavity, the heater having a lower nozzle portion which is separated from the surrounding mold by
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