ELECTRICALLY INSULATED TRACK BOND Russian patent published in 2002 - IPC

FIELD: railway transport; permanent way facilities. SUBSTANCE: proposed track bond has metal fishplates 2 with inserts 5 in cavities from rail sides arranged at both sides from rail 1 and braced by means of electrically insulated fasteners 7, 8. Each fishplate embraces rail foot over its upper and lower surfaces. Electric material 4 is placed between fishplate 2 and rail 1, being connected to fishplate. Electric insulating material 4 has wedge shape with angle of tilting towards end of each fishplate in area of lower surface of foot of rail 1. EFFECT: provision of reliable operation of insulated track bond when fishplates whose service life has expired are used ion track bond. 2 dwg