IPC 2013 : E01B 31/23 : Sectioning (combined with removal of segments from track E01B 29/11).

IPC2013 > E > E01 > E01B > E01B 31/00 > E01B 31/23[3] > Sectioning (combined with removal of segments from track E01B 29/11).
Notes[t] E01 - E06: BUILDING
Notes[g] E01B 27/00 - E01B 37/00: Making, maintaining, renewing, or taking-up the ballastway or the track; Tools or machines specially designed therefor
E SECTION E — FIXED CONSTRUCTIONS.
E01 CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES.
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS (derailing or rerailing blocks on track, track brakes or retarders B61K; removal of foreign matter from the permanent way, vegetation control, applying liquids E01H).
E01B 31/00 Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor (characterised by features independent of use on assembled track B21, B23 - B25, B27).
E01B 31/23 · · · Sectioning (combined with removal of segments from track E01B 29/11).