RESERVOIR Russian patent published in 2005 - IPC

FIELD: reservoirs adapted to store water or sewage water or ones used as septic means.

SUBSTANCE: low-pressure reservoir is formed of plastics and is submersed in ground. Reservoir has at least one orifice to supply liquid into reservoir. Inner reservoir surface is shaped so that inner surface mate surface defined by rotating closed curve which rotates at constant level so that reservoir height is less than height of spherical reservoir having the same volume.

EFFECT: increased reservoir strength, improved ability of reservoir transformation and installation in-situ, simplified structure thereof and elimination of deep pit excavation for underground reservoir installation.

20 cl, 14 dwg