To provide a packaging bag for storing liquid with an ejection port easy to seal.
The packaging bag comprises two surface and rear synthetic resin films whose periphery are sealed with a protruding ejection part 2 provided on a part of the periphery wherein a semi-rigid or rigid pipe 3 fixed between the two surface and rear synthetic resin films is buried in the ejection part 2. In this case, as the pipe 3, a pipe with its tip 34 closed, having a thin part 31 in its circumferential direction and with an inner diameter of the thin part 31 larger than an outer diameter of the tip 34 is buried. After the bag is unsealed by notches 11, 10, the pipe 3 is cut at the thin part 31. When not in use, the cut part 33 is turned over to be used as a plug for closing an ejection port of the pipe.
JP2013216341 | STORAGE BODY |
JP2010179961 | RETENTION CONTAINER FOR LIQUID-SUBSTANCE-FILLED PACKAGE |
JP4050909 | Toner supply container and powder supply container |
SASAKI AKIRA
NAKAMURA TSUTOMU
JPH05132069A | 1993-05-28 | |||
JPH0761453A | 1995-03-07 | |||
JPH0924956A | 1997-01-28 | |||
JPH01111680A | 1989-04-28 |
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