| 摘要 |
PROBLEM TO BE SOLVED: To provide a packaging container achieving easy refill of the content and having a funnel part easily separated from a container body. SOLUTION: The packaging container 30 is obtained by mounting the funnel part 20 to the container body 10. The funnel part 20 includes a funnel 21 decreased in diameter toward its open end, an annular side wall 22 connected to the funnel 21 and partially welded to the internal surface of the container body 10, and reinforcement ribs 23. An unwelded portion 24 of the side wall 22 corresponding to an arc AB having a central angleθ, is not welded or falsely welded to the container body 10. COPYRIGHT: (C)2011,JPO&INPIT |
