| 摘要 |
A flexible receptacle for liquid, comprising two walls of a flexible material, the superimposed free borders of the said walls being joined by a peripheral weld seam in order to define a sealed internal volume of the said receptacle, a self-sealing pouring nozzle in a corner of said receptacle comprising a spout located towards the outside of the said receptacle, an outlet channel connecting the spout to the internal volume of the said receptacle, a self-closing valve comprising one or more obstacles formed by welding of the two walls and arranged in the said internal volume essentially opposite and close to the channel leading to the spout so as to limit the cross-section of the flow-passage of the liquid between the internal volume and the outlet channel, leaving free at least one narrow channel, wherein the outlet channel is formed by a weld either side of the channel within the volume defined by the peripheral seam, said peripheral seam has a parallelogram shape having an acute angle of less than 80°, and the pouring nozzle is positioned in a corner of the said receptacle with an acute angle. |
