| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hermetic packaging container with sealability for preserving and protecting contents and easiness to open when in use, with which a sufficient opening for taking out the pasted or liquefied contents or the like without spillage can be easily formed. <P>SOLUTION: The packaging container hermetically sealed with a lid material is equipped with an opening port 1 and a notch or a cut 2 on a side flange of the container so that the lid material 3 of the opening port can be easily unsealed while tearing it off vertically from the side face of the container. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
