| 摘要 |
<p>The present invention is a flexible big bag (10) comprising a base (11) so as to define a storing volume wherein granule, fluid or semi fluid materials can be stored; a ceiling (12); side walls (13) extending between said base (11) and said ceiling (12); at least one sheath (17) fixed to said side walls (13) in a manner extending from the base (11) towards the ceiling (12); and at least one vertical column (14) positioned inside said sheath (17), characterized in that when material is loaded to the flexible big bag (10), there is at least one closed end (171) provided on the side of the sheath (17) corresponding to the ceiling (12) in a manner preventing removal of the vertical column (14) from the sheath (17).</p> |
