SOUND-ABSORBING SLEEPER Russian patent published in 2004 - IPC

FIELD: wood-working industry, applicable in station and tunnel railroad tracks.

SUBSTANCE: sound-absorbing elastic gaskets are connected to the sleeper upper bed on the ends and between the point of attachment of rails, and wedge sound baffles with a wedge angle of at least 30 deg. Are installed on the ends. Elastic cantilever plates, providing connection of the wedge sound baffles of two replaceable sleepers, are attached to the flat section of the wedge, and the wedge sound baffle is installed with the wedge point in the end of the sleeper.

EFFECT: reduced noise characteristics caused by the rolling stock.

6 dwg, 1 tbl