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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0597189 (1984-04-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 4 |
For the molding of bottle caps having irregular lower boundaries, such as caps having depending tabs, the conventional mold has a core and a surrounding sleeve in which the core slides. This is modified by using a split sleeve which is maintained in close contact with the core during molding, but wh
A mold for forming a plastic cap having a top and side wall comprising a core against which the inside of said cap is formed, mold means against which the outside of the top of said cap is formed and a sleeve surrounding said core and against which the outside of the side wall of the cap is formed s
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