| 摘要 |
<P>PROBLEM TO BE SOLVED: To make strain hardly accumulate in a hinge piece and to decrease cracking of the hinge piece by providing holes in the curved hinge piece connecting a lid body and a main body. <P>SOLUTION: In a connecting structure of the lid body for a packaging container, the following four means are utilized. Firstly, the main body with an opening part on the upper face and the lid body for closing the upper face opening part are connected with each other with the hinge piece. Secondly, the planes of the main body and the lid body are made approximately circular shapes. Thirdly, the hinge piece is made to be a strip wider on both sides and narrower in a central part. Fourthly, a plurality of through holes are provided in the hinge piece. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
