IPC Subgroup
E01B 11/46 General methods for making gapless tracks
Introduced: September 1968
Last revised: January 2006
Full Title
Rail joints > Non-dismountable rail joints; Welded joints > General methods for making gapless tracks
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- Subclass:
- PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS