| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging container securing a function of preventing a contained object from leaking and achieving good tightness by strongly fitting a container body and a lid while securing a function of making easily closing, which is contrary to the preceding function. <P>SOLUTION: A flange protruding part 131 extending outwardly from the opening edge of a peripheral wall 12, and a flange outer edge 132 connected to the outside of the flange protruding part 131 are formed on the container body 1. An outside tapered part 124 on the peripheral wall 12 is connected to the inside of the flange protruding part 131 and is formed to face the inside and the lower direction of the container body 1. An engaging part 123 on the peripheral wall 12 is connected to the inside of the outside tapered part 124 and has a part expanding outwardly as approaching the lower part of the container body 1 in order to internally engaging the lid. On the outside tapered part 124, a slightly declining part 124b being less declined than other parts is provided to a part in the vicinity of at least one angle part of the angle parts in a polygon in a plane view with connecting to the engaging part 123. <P>COPYRIGHT: (C)2013,JPO&INPIT |
