| 摘要 |
A flexible container for flowable solid material comprising: a main chamber defined by a sidewall structure and a base portion; at least four vertically disposed elongate pockets spaced about the outside of said main chamber, said pockets formed by portions of said sidewall structure and at least two patches attached to the periphery of said portions of said sidewall structure; and at least one opening between each pocket and said main chamber allowing flow of said flowable solid material therebetween, such that said pockets are filled with said flowable solid, said pockets being adapted to keep said sidewall structure substantially vertical. |
