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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0213585 (1988-06-30) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 36 인용 특허 : 4 |
A hand-operated vacuum pump is combined with a resilient closure sleeve for sealing and de-pressurizing the open space within a fermented beverage container. A pump cylinder is covered by a resilient closure sleeve which is insertable into the neck of the beverage container. A piston is coupled for
A pump and closure assembly for depressurizing the interior open space within a beverage container comprising: a closure member; a pump having a housing attached to said closure member, said pump housing having a cylindrical bore and a piston mounted for extension and retraction through said bore; a
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