Abstract
“SWITCH EXPANSION JOINTS WITHOUT ANY CUT/GROOVE ON GAUGE FACE OR NON GAUGE FACE”
The present invention relates to an improved switch expansion joints (SEJs) for use in railway tracks. This invention particularly relates to rail expansion joint also know...
“SWITCH EXPANSION JOINTS PROVIDED WITH EXPANSION ARRANGEMENTS ON GAUGE FACE SIDE”
The present invention relates to an improved switch expansion joints (SEJs) for use in railway tracks. This invention particularly relates to rail expansion joint also known as switch expansion joint (SEJ) for use in railway tracks at...