Paper container for hot fillable liquids

Details Paper container for hot fillable liquids Paper container for hot fillable liquids

B - Operations, Transporting

65

D

93/1, 190/78

B65D 3/10 (2006.01) B31B 17/00 (2006.01) B65D 79/00 (2006.01)

Patent

CA 1223532

ABSTRACT OF THE DISCLOSURE A paper container has a bottom in which there is impressed a deformation groove to allow the bottom to deform in response to reduced internal pressures occurring as a hot liquid cools inside of the closed container The bottom is formed in a continuous one-step process in which a series of coaxially arranged, telescoping tools travel relative to one another along a common axis to form the bottom with the deformation groove and a bent outer edge.

453896

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