Envelopes – wrappers – and paperboard boxes – Paperboard box – Including a polygonal – nonrectangular wall
Patent
1995-01-17
1995-10-17
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Including a polygonal, nonrectangular wall
22911715, 229155, 229188, B65D 5462, B65D 524
Patent
active
054582709
ABSTRACT:
A foldable liquid container includes a bottom wall, four side walls hingedly secured to the bottom wall, four foldable web members each web member hingedly secured between every two neighboring side walls, two half covers respectively hingedly secured to two opposite side walls for shielding a top opening of the four side walls and two handle members respectively hingedly secured to the other two opposite side walls for carrying the container when upwardly erecting the side walls for setting up the container as tetrahydron shaped by folding each foldable web member into the assembled container to be contacted with a side wall secured with the half cover. Each half cover is cut with two sets of tongue slits each set including a lower slit and an upper slit, and each web member having a tongue portion protruding outwardly upwardly to be inserted through the lower and upper slits to be interlocked into the lower and upper slits for firmly setting up the container. The assembled container is provide for filling liquid material without leakage at a level coplanar to an upper edge portion of each side wall of the assembled container.
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