FUNNEL PART AND PACKAGING CONTAINER USING FUNNEL PART.

摘要

This invention provides a funnel part and a packaging container using the funnel part. The funnel part is provided with a funnel section in which the diameter increases from a narrow opening side towards a wide opening side, a cylindrical discharge section connecting to the narrow opening side edge, and a cylindrically shaped side wall section surrounding the opening section of the wide opening side of the funnel section and connecting to the funnel section to fit to a container main body; the funnel part is integrally formed using sheet material comprising paper and a sealant layer, and a cuff section in which the sheet material is folded back and welded over the entire circumference is provided in the opening section of the discharge section. The packaging container is configured fitting the funnel part to the cylindrically shaped container main body having an open end, a bottom section, and a side wall.