| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely and comfortably push down a protrusion using preset operational force by pushing down in a stable form the protrusion for forming an air hole for taking out a content filled and stored. <P>SOLUTION: The bottom face 3b of the bottom panel 3 of a cuplike container is formed with a hole opening function part 4 comprising a protrusion 5 for opening an air hole 6 and an annular thin part 7 formed around the hole 6. By bending and deforming the thin part 7 for breaking the protrusion 5 and opening the hole 6, an unpleasant irritating feeling generated in breaking and opening the hole 6 is eliminated. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
