Patent ID: 8056209

Claim:
A method of manufacturing a tubular receptacle for the accommodation of fluids comprising a tubular body having unfolded ends, an upper end being deformed in a shape of a shoulder and a lower end being straightly extending, the receptacle being manufactured from a flexible laminate and a base and a shoulder-shaped top section attached to the tubular body, the method comprising inserting the shoulder-shaped top section in the unfolded tubular body from the lower end until at least a portion of the shoulder-shaped top section is pressed against the shoulder of the tubular body, and sealing the shoulder-shaped top section with the upper end by a lap seam such that the shoulder-shaped top section is at least partially enclosed by the upper end of the tubular body, wherein the base comprises an edge area forming a sealing edge having a width extending horizontally to the circumference of 0.25 mm to 5 mm, and wherein a lower edge of the tubular body surrounds and is sealed to the edge area of the base by another lap seam that does not extend past the edge area of the base.