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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0147141 (1993-11-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 70 인용 특허 : 0 |
An air impermeable bag is provided with a vacuuming unit for vacuuming an internal space of the bag after the latter is hermetically sealed. The vacuuming unit includes a check valve, the position of which is not altered during and after a pumping operation to vacuum the internal space of the bag.
A bag with means for vacuuming an internal space thereof, said bag comprising: an air impermeable bag body confining said internal space for receiving things therein and having an opening formed therethrough for communicating an exterior of said bag body and said internal space; a fixing seat which
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