Impact resistant container bottom structure

Details Impact resistant container bottom structure Impact resistant container bottom structure

B - Operations, Transporting

65

D

190/78

B65D 5/40 (2006.01) B65D 3/18 (2006.01) B65D 3/22 (2006.01) B65D 5/56 (2006.01)

Patent

CA 1046436

IMPACT RESISTANT CONTAINER BOTTOM STRUCTURE Abstract of the Disclosure A container has a tubular sidewall member having a coating of thermoplastic material on the inner surface thereof and a bottom member having a coating of thermoplastic material on the upper surface therof. The bottom member has a central portion and a continuous skirt extending downwardly from the periphery of the central portion. The lower portion of the skirt is thermally bonded to the sidewall member while the upper portion of the skirt is free of any bond to the sidewall member. The bottom mar- gin of the sidewall member can be curled inwardly to form a rolled rim to improve the impact resistance. In one embodiment the sidewall blank can have a coating of adherence-preventing material in the area which would be contiguous to the upper portion of the skirt. In another embodiment the upper portion of the skirt can be coated with an adherence-preventing material.

238974

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