| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible container which is easily degassed, opened/closed, and keeps a highly airtight condition for a long time. SOLUTION: This flexible container comprises: a top open container main body having a gas barrier characteristic; a top panel covering the top opening of the main body; and a tightening member for sealing and fixing the main body and the top panel. At least the bottom face and the bottom part of the main body are made of a flexible material. The top panel is provided with a protrusion having a through hole going through the front and back of the top panel, a check valve for regulating the penetration of outside air into the container in using and a cap to cover the protrusion. COPYRIGHT: (C)2005,JPO&NCIPI
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