ADAPTIVE FOLDING CONTAINER FOR STORAGE AND TRANSFER OF CARGOES Russian patent published in 2010 - IPC B65D21/08 

FIELD: transport, package.

SUBSTANCE: invention relates to household container intended for storage and transfer of cargoes. Proposed container represents a bag made from elastic waterproof material. Said bag is rolled in toroidal roll in empty state and can automatically unfolding/folding with smooth increase/decrease in bag volume in filling, emptying the container, respectively. Said bad is made from ferromagnetic fabric with its open edge fitted on thin ring-like rod permanent magnet and rolled thereon to make toroidal roll accommodated in disk-like case inner space. Case top plane is furnished with threaded retainer ring to fix current position of the roll, cover and handle, while bottom plane has opening for filled gab to get out of the case.

EFFECT: automatic folding/unfolding, bag volume varies depending upon cargo placed therein.

3 dwg