Patent ID: 8580363

Claim:
A flexible packaging tubular body formed from a laminate having ends and comprising at least one first layer and one second layer, wherein the first layer is formed from a material whose properties make it possible to weld the first layer to itself, and wherein the second layer is formed from a material whose properties make it impossible to weld the second layer onto the first layer; the first layer and the second layer forming respectively an inner layer and an outer layer of the tubular body; wherein the first layer is formed from a polyolefin, the second layer is formed from a biaxially-oriented polymer, the tubular body is formed by welding the ends of the laminate, the tubular body further comprises a strip fixed to a surface of the tubular body and covering the ends of the laminate, wherein the strip comprises a biaxially-oriented polymer layer having a strength greater than or equal to the strength of the second layer, and wherein the thickness of the first layer is greater than the thickness of the second layer.