최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0160488 (1980-06-18) |
우선권정보 | CH-0005839 (1979-06-23) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 31 인용 특허 : 0 |
A device for sealing a preserving jaw by generation of a powerful vacuum in the head space of the jar. This is put into effect by a hood which is evacuated by means of an external vacuum pump, and is put over the jar\s mouth loosely covered with a thin lid, the hood having an air tight seat on the j
A device for sealing preserving jars which are provided with a thin metallic essentially disc-like lid, the latter having on its rim a washer of an easily deformable material, the device comprising a hood which is put over the mouth of the jar loosely covered with said lid, and which hood fits tight
※ AI-Helper는 부적절한 답변을 할 수 있습니다.