| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a funnel part which retains strength at a low cost. <P>SOLUTION: The funnel part fitted into a cylindrically shaped container body having an open end, a bottom section, and a sidewall, and composes a packaging container for transferring the content to a conservation container, includes: a funnel section the diameter of which increases from a narrow opening side toward a wide opening side; a tubular discharge section being connected to the end edge in the narrow opening side; and the cylindrically shaped sidewall section connected to the funnel section by surrounding the opening section on the wide opening side in the funnel side and fitted into the container body, wherein the funnel section, the discharge section, and the sidewall are integrally formed using a sheet material including paper and a sealant layer, and the opening section in the discharge section is provided with a folded-back section in which the sheet material is deposited by being folded back all around. <P>COPYRIGHT: (C)2013,JPO&INPIT |
