SEALED TANK WALL CONTAINING SEALING MEMBRANE Russian patent published in 2022 - IPC F17C3/06 B63B25/16 

FIELD: storage.

SUBSTANCE: invention relates to a sealed wall of a tank for storage of fluid. The wall contains support surface (11) with one groove (12) formed in the direction of a thickness of the tank wall and extended in a longitudinal direction, metal sealing membrane (50, 52) supported by support surface (6, 11). Metal sealing membrane contains one metal support (16) supported by support surface (6, 11). Metal support (16) contains the first anchor wing and the second anchor wing hermetically connected to each other. Each of anchor wings contains an upper section on support surface (11), a base held in groove (12), and a branch connecting the upper section to the base. Branches of anchor wings are made with the possibility of elastic deformation in bending in a transverse direction for provision of a possibility of movement of upper sections of anchor wings relatively to each other in the transverse direction.

EFFECT: increase in the strength of a tank.

17 cl, 8 dwg