Patent ID: 6237845
Filing Date: 2001-05-29
Classification: B65D

Abstract:
A paper container formed integrally of a single sheet of blank paper, said paper container comprising:a bottom face having a circular shape or a polygonal shape and a peripheral edge thereon;a peripheral wall raised up from the peripheral edge of the bottom face having an upper face opening edge, said peripheral wall defining an interior and exterior portion of the paper container; anda mouth having a diameter defined by the upper face opening edge of the peripheral wall, said peripheral wall comprising double-folded triangular shaped pleats being folded so as to be maintained in the interior portion of the paper container whose apexes contact with the peripheral edge of the bottom face formed alternately and interposed between division faces formed alternately along a peripheral direction about the bottom face, side edges of respective division faces being gathered upon one another and extending towards the upper face opening edge,wherein said division faces are formed with a predetermined inclination inward from the bottom face in the peripheral direction so that the paper container tapers towards the mouth of the container.