A jug has an essentially square base, four sidewall portions rising from the base formed together with corner portions, and a shoulder portion extending upward to a finish portion defining an opening into the jug interior. Creases intersect a midline crease on two opposite sidewalls of the jug. A ba
A jug has an essentially square base, four sidewall portions rising from the base formed together with corner portions, and a shoulder portion extending upward to a finish portion defining an opening into the jug interior. Creases intersect a midline crease on two opposite sidewalls of the jug. A base crease line folds upward and the two opposite creased sidewall portions folds inward along vertical midline creases above diagonal crease lines from lower corners of the jug as the jug is moved from a full-sized use conformation toward a compact conformation. A sidewall, other than the two opposite creased sidewalls, can include an integrally formed handle, or can include a horizontal groove adapted to engage a lower end of a separately molded handle engaging the neck of the jug. A cap including a movable ring can engage a tab protruding from a groove in the sidewall to ensure a rolled compact arrangement of the empty jug.
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1. A jug suitable for distribution of milk, other liquids, and free-flowing particulates, that is transformable between a full-sized use conformation and a compact conformation comprising: a base having a perimeter defined by four edges of essentially equal length, a body formed of four sidewall por
1. A jug suitable for distribution of milk, other liquids, and free-flowing particulates, that is transformable between a full-sized use conformation and a compact conformation comprising: a base having a perimeter defined by four edges of essentially equal length, a body formed of four sidewall portions rising from the four base edges formed together with corner portions, a shoulder portion extending upward from the body, a cylindrical neck at the top of the shoulder portion, and a finish portion at the top of the shoulder portion defining an opening into the jug interior, a crease extending along a vertical midline of two opposite sidewall portions from the base to the neck, the two creased sidewall portions also including diagonal crease lines extending approximately parallel to the shoulder portion from lower ends of the corner portions to the midline crease defining two triangular portions on each of the two creased sidewall portions, the base including a base crease line joining the lower ends of the midline creases on the two opposite creased sidewall portions, the base being essentially planar in the full-sized use conformation, the base crease line folding upward and the two opposite sidewall portions folding inward along the vertical midline creases above the diagonal crease lines when the container is moved from the full-sized use conformation toward the compact conformation, wherein a sidewall other than the two creased sidewalls includes a groove adapted to receive a lower end of an arm portion of a separately molded handle. 2. The jug of claim 1, wherein the groove is horizontal and includes a tab projecting upwardly from a central portion of a lower margin of the groove. 3. The jug of claim 1, wherein the groove includes a tab projecting outwardly from a central portion of a root of the groove. 4. The jug of claim 1, wherein the groove is bifurcated and includes an opening extending between a left portion of the groove and a right portion of the groove. 5. The jug of claim 1, further comprising a separately molded handle having an annular portion engaging the neck of the jug, an arm portion extending downward from the annular portion so that the arm portion is spaced from the jug shoulder portion and the sidewall containing the groove, and a lower end portion engaged in the groove. 6. The jug of claim 2 or 3, further comprising a closure coupled to the jug finish portion, the closure including a ring portion connected to an edge of the closure by a hinge portion permitting the ring portion to be displaced from an engaged position to an extended position to one side of the closure. 7. The jug of claim 6, wherein the jug is rolled into a compact position and the ring portion of the closure is engaging the tab projecting from the groove. 8. A jug suitable for distribution of milk, other liquids, and free-flowing particulates, that is transformable between a full-sized use conformation and a compact conformation comprising: a base having a perimeter defined by four edges of essentially equal length, a body formed of four sidewall portions rising from the four base edges formed together with corner portions, a shoulder portion extending upward from the body, a cylindrical neck at the top of the shoulder portion, and a finish portion at the top of the shoulder portion defining an opening into the jug interior, a crease extending along a vertical midline of two opposite sidewall portions from the base to the neck, the two creased sidewall portions also including diagonal crease lines extending approximately parallel to the shoulder portion from lower ends of the corner portions to the midline crease defining two triangular portions on each of the two creased sidewall portions, the base including a base crease line joining the lower ends of the midline creases on the two opposite creased sidewall portions, the base being essentially planar in the full-sized use conformation, the base crease line folding upward and the two opposite sidewall portions folding inward along the vertical midline creases above the diagonal crease lines when the container is moved from the full-sized use conformation toward the compact conformation, wherein a first sidewall other than the two creased sidewalls includes a horizontal groove including a centrally located tab. 9. The jug of claim 8, wherein the tab of the horizontal groove in the second sidewall projects upwardly from a lower margin of the groove. 10. The jug of claim 8, wherein the tab of the horizontal groove in the second sidewall projects outwardly from a root of the groove. 11. The jug of claim 9 or 10, further comprising a closure coupled to the jug finish portion, the closure including a ring portion connected to an edge of the closure by a hinge portion permitting the ring portion to be displaced from an engaged position to an extended position to one side of the closure. 12. The jug of claim 11, wherein the jug is rolled into a compact position and the ring portion of the closure is engaging the tab projecting from the groove in the second sidewall. 13. The jug of claim 11, wherein a second sidewall opposite the first sidewall includes a horizontal groove that is bifurcated and includes an opening extending between a left portion of the groove and a right portion of the groove. 14. The jug of claim 13, wherein the horizontal groove in the second sidewall is adapted to receive a lower end of an arm portion of a separately molded handle. 15. The jug of claim 14, wherein the separately molded handle comprises an annular portion engaging the neck of the jug, an arm portion extending downward from the annular portion so that the arm portion is spaced from the jug shoulder portion and the second sidewall containing the horizontal groove, and a lower end portion engaged in the horizontal groove in the second sidewall. 16. The jug of claim 11, wherein the opening extending between a left portion of the groove and a right portion of the groove is dimensioned to receive the fingers of a user seeking to grasp the jug.
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