SWITCH RESTORATION METHOD Russian patent published in 1995 - IPC

FIELD: railway transport. SUBSTANCE: method comes to mechanical treatment of rolling surface of switch worn point 2, placing it on underlayer 4 to eliminate incomplete resting and provide designed position. Underlayer 4 is rigidly secure on point foot. Layer of metal or metal strip is welded on lower portion of point head in cavity of point root part. Cavities, thus formed are milled and root part of point is connected with straight track rail by means of fishplates with rectilinear working surfaces. EFFECT: enhanced quality of maintenance. 3 dwg