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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0904666 (1986-09-08) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 9 인용 특허 : 4 |
Square ended valve bags are formed from a tube-like band and in a chain with the back wall and top end of each bag partially sealed together to provide bags between the seals. Patches are placed on the top end of the bag and the patches and top ends are provided with displaced openings to provide a
In a chain of square ended bags constructed from an elongated band with each of said bags being defined by front and back walls, top and bottom ends, and fore and aft seal sides with each said seal side consisting of portions of said band extending from each said wall and end and sealed together by
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