Patent ID: 8851317
Filing Date: 2014-10-07
Classification: B65D

Abstract:
1. A tank ( 100 ) configured to contain a liquid, the tank ( 100 ) comprising: a casing ( 110 ) having an upper part ( 200 ) and a lower part ( 300 ), the tank being provided internally with a means for reinforcing a structure of the casing ( 110 ) so that it can withstand a pressure exerted by a surrounding material when the tank ( 100 ) is buried and is not completely filled, characterised in that the reinforcing means ( 600 , 600 ′) comprises voussoirs ( 610 , 610 ′) bearing against the upper part ( 200 ) and in that the tank ( 100 ) incorporates bars ( 650 d ) for absorbing supporting forces of the voussoirs ( 610 , 610 ′) so as to transfer said supporting forces onto a bottom ( 310 ) of said tank wherein the tank ( 100 ) further includes a gap (I) which separates the upper part ( 200 ) and the lower part ( 300 ), the reinforcing means ( 600 ) further comprising wedges ( 630 ), the voussoirs ( 610 ) and the wedges ( 630 ) being provided respectively with lugs ( 613 , 633 ) which are inserted in the gap (I), at least some of the voussoirs ( 610 ) and wedges ( 630 ) being connected via connecting bars ( 650 a, 650 c ).