IPC Main Group
E21F 13/00 Transport specially adapted to underground conditions
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- EARTH OR ROCK DRILLING; MINING
- Subclass:
- SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
Related Keywords
ANCHORING of mining conveyersRAILWAY(S),RAILROAD(S) adapted to use in minesTRANSPORT in mines
5 direct subcodes
Child Classifications
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- E21F 13/02 in galleries
- E21F 13/04 in gravity inclines; in staple or inclined shafts
- E21F 13/06 at or adjacent to the working face
- E21F 13/08 Shifting conveyors or other transport devices from one location at the working face to another
- E21F 13/1 Anchorings for conveyors