RAIL PAD Russian patent published in 2022 - IPC E01B9/68 

FIELD: railway tracks superstructure.

SUBSTANCE: invention relates to the field of the superstructure of the railway track, in particular to rail pads. Technological recesses, protrusions and ribs are located on the upper and lower surfaces of the flanged pad. The width of the recesses in the central part is from 20 to 80% greater than the width of the recesses in the extreme parts of the plate. The ratio of the width of the recess to the width of the protrusion in the central part is made in the range of 1.1-1.5. The ratio of the width of at least 65% of the protrusions to the width of the recesses in the extreme part of the plate is made in the range of 1.5-2.3. A shoulder is located on the upper and lower surfaces of the central part of the pad. The shoulder is oriented across the plate and connects all the protrusions of the pad.

EFFECT: invention increases the reliability of the pad.

10 cl, 5 dwg