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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0163258 (1988-03-02) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 55 인용 특허 : 10 |
A sealing device for covering containers which prior to sealing has a member which reduces the volume of the container and in which the member is released after sealing to allow a vacuum circulation to exist in the sealed container. A further feature provides that the volume reducing, sealing and re
In a packaging device which includes a conveyor for moving a series of containers, each having a volume, and a sealing head which mates a covering material with a material-receiving opening in each container while the container is being moved by the conveyor to seal the container, the improvement co
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