CPC B65D 21/0231 (2013.01) [B65D 1/023 (2013.01); B65D 1/0276 (2013.01); B65D 1/44 (2013.01); B65D 23/102 (2013.01); B65D 71/0096 (2013.01); B65D 2501/0036 (2013.01); B65D 2501/0081 (2013.01); B65D 2571/00012 (2013.01); B65D 2571/00043 (2013.01)] | 16 Claims |
4. A stackable liquid vessel comprising:
a body portion having a rounded cuboid shape, the body portion centered about a center axis of the stackable liquid vessel;
a shoulder portion coupled to the body portion, the shoulder portion comprising:
a sloped portion coupled to the body portion, wherein the sloped portion has a rounded pyramid frustum shape and wherein each corner of the sloped portion is associated with a structural support impression;
a shoulder support coupled to the sloped portion, the shoulder support comprising a planar surface that is perpendicular to the center axis of the stackable liquid vessel; and
a shoulder extension coupled to the shoulder support, the shoulder extension having a spherical segment shape; and
a cylindrical neck coupled to the shoulder extension, the cylindrical neck centered about the center axis of the stackable liquid vessel.
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