SMIRNOV RAIL JOINT Russian patent published in 2025 - IPC E01B11/00 

FIELD: construction of roads, railways.

SUBSTANCE: invention relates to railway and tramway tracks. Rail joint is characterized by the fact that under the joined rails there is a rail located on three railway track sleepers, made with stops preventing its displacement relative to the sleepers, and attached to the connected rails. Railway or tram rail is used as rail located under rails to be jointed. Sleepers are made of reinforced concrete or wooden. Rail joint is located above the middle of the three sleepers in its middle.

EFFECT: reduced height of ledge in joint of two rails, reduced knocking of wheels at movement of train, elimination of rail head chips at joint, reduced additional impact-dynamic loads on wheels of rail vehicles, increasing their service life.

3 cl, 4 dwg