| 摘要 |
The present invention relates to a flexible container including at least two film layers adhered or welded together along a line comprising a valve portion in which an outlet channel, for pouring the contents of said container after opening, is defined. According to the invention, the welding or adhesion line surrounding the inner end of said channel has, on each side thereof, at least one projecting portion that projects toward the inside of the container relative to the line surrounding said channel. The invention further relates to a film strip forming a continuous sealed sleeve, the stacked films of which are connected together by a welding or adhesion line forming the valves of a plurality of such containers. The invention also relates to a method for manufacturing such a strip and for filling and closing containers by means of said valvular strip. |
