Simple foldable container for food and beverages

Claim 1

A simple foldable container for foods and beverages characterized in that said container is formed from a blank made of a paper sheet of suitable hardness which is in the shape of a generally rectangular 16 sided polygon having roll-pressed thereon a plurality of inwardly and outwardly folding lines dividing the surface of the blank into one square, six trapezoids and eight triangles, said square being centrally located to serve as the base for the assembled container and adjacent symetrical trapezoids to serve as side walls, said symetrical trapezoids having pairs of symetrical triangles adjacent to the corners thereof to serve as holding members, one pair of oppositely located trapezoids having extending therefrom symetrical trapezoids to serve as locking panels having a slot cut at the central portion of the outer edge thereof, said slot being in the shape of a straight line, a triangle or a trapezoid, said locking panel also having roll-pressed thereon between the apex of the slot and the outside corners of the said trapezoid folding lines dividing both sides of said trapezoid into two symetrical triangles with said folding lines as the base thereof; first said symetrical trapezoids being inwardly folded around said inwardly folding lines to form wall panels, above said corner triangles being inwardly folded around said inwardly folding lines toward the side walls connected to said locking panels, above said locking panels being outwardly folded along outwardly folding lines, the said triangular portions thereof being inserted into the space between said triangular corner holding members and said side wall of locking panel to form a non-leaking container with the opening being larger than the base.