B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
229/42
B65D 5/08 (2006.01)
Patent
CA 1043313
ABSTRACT OF THE DISCLOSURE: A bottom structure for a cardboard liquid packing container wherein the corners of the bottom structure are trebly laminated without exterior leakage paths, the central exterior portions of one pair of opposing bottom sheets are quadruply laminated, and the end portions of the other pair of opposing bottom sheets are doubly laminated at the central portion of the bottom structure, the various laminated portions being heat sealed to economically produce a highly stable and leak-proof upright container.
257516
LandOfFree
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