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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0616711 (1984-06-01) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 13 인용 특허 : 0 |
A unique combination of a neck having a back wall which extends above a front wall and a closure for sealing an opening in the neck is disclosed. The back wall has a lip which extends into the opening for engaging the closure. The closure is inserted into the opening such that a groove in its upper
In combination, a neck forming an opening allowing the flow of material therethrough, and a closure means adapted to be inserted in said neck to prevent said flow of material, said neck comprising a back wall and a front wall for engaging respective side portions of said closure means to form a seal
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