INSULATED RAIL JOINT Russian patent published in 2000 - IPC

FIELD: electric railway transport. SUBSTANCE: insulated rail joint has metal fishplates with recess installed at both sides of rail. Fishplates are bolted together. Clearances relative to rail edges is filled up with outer electric insulating material. Filler is placed in recess of fishplate. Filler is rigidly connected with fishplate and with outer electric insulating material. The latter is secured over entire surface of metal fishplate. Part of material corresponds to mated surface of rail. EFFECT: reduced influence of aggressive media on rail joints and longitudinal displacement of rails in joints. 2 dwg