TOOL JOINT OF TONGUE-AND-GROOVE ELEMENTS WITH SEAL Russian patent published in 2024 - IPC E02D5/14 

FIELD: construction.

SUBSTANCE: invention relates to tool joints with sealing elements used for erection of sheet pile walls in soil, leading screens during mine workings of anti-filtration devices, metal diaphragms of earth dams and other structures. Locking connection of tongue-and-groove elements with seal includes external female and internal male elements, respectively belonging to adjacent tongue-and-groove elements and installed on one axis with a gap between them, in which a waterproofing sealant is placed. Channel is artificially created in the gap taking into account its maximum possible filling with a sealant, which is made in the form of a section of a profile from a hydrophilic material having the ability to increase its volume when it comes into contact with water.

EFFECT: increased reliability of lock connection at simplification of its design and implementation technology, provision of expansion of possibilities of use for different type of design of tongue-and-groove locks.

3 cl, 3 dwg