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...
[Class : 6] Common Metals And Their Alloys Metal Building Materials Transporable Bulding Of Metal Aterial Of Metal For Railways Tracks Non Electric Cables And Wires Of Common Metal Ironmogery Small Items Of Metal Hardware;Pipes And Tubes Of Metal Safes Goods Of Common Metal Not Included In Other Ores