IPC-Stelle: E21F 13/04 [Version 2017.01]

SymbolTypTitel
ESKFIXED CONSTRUCTIONS
E21USKEARTH OR ROCK DRILLING; MINING
E21KLEARTH OR ROCK DRILLING; MINING
E21FUKLSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS [2]
E21F 1/00ZWVentilation of mines or tunnels
E21F 1/00HGRVentilation of mines or tunnels; Distribution of ventilating currents (ventilating rooms or spaces in general F24F) [1, 2, 2006.01]
E21F 1/02UGR1
.Test models (analogue computers therefor G06G 7/50) [1, 2006.01]
E21F 1/04UGR1
.Air ducts (suspension devices E21F 17/02) [1, 2006.01]
E21F 1/06UGR2
. .Duct connections (tube connections in general F16L) [1, 2006.01]
E21F 1/08UGR1
.Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators (ventilators per seF04D) [1, 2006.01]
E21F 1/10UGR1
.Air doors (doors in general E06B) [1, 2006.01]
E21F 1/12UGR2
. .Devices for automatically opening air doors [1, 2006.01]
E21F 1/14UGR1
.Air partitions; Air locks (dams E21F 17/103; air locks for foundations E02D) [1, 6, 2006.01]
E21F 1/16UGR1
.Shaft covers [1, 2006.01]
E21F 1/18UGR1
.Gravity-flow ventilation (E21F 1/02-E21F 1/16 take precedence) [2, 2006.01]
E21F 3/00HGRCooling or drying of air (air-conditioning rooms or spaces in general F24F) [1, 2006.01]
E21F 5/00ZWSafety devices; Rescue devices
E21F 5/00HGRMeans or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires (dams E21F 17/103; applying liquids or other fluent materials to surfaces in general B05; flue-gas indicators G01N) [1, 6, 2006.01]
E21F 5/02UGR1
.by wetting or spraying [1, 2006.01]
E21F 5/04UGR2
. .Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangement of fluid-spraying nozzles E21C 35/187) [1, 2006.01]
E21F 5/06UGR2
. .Fluids used for spraying [1, 2006.01]
E21F 5/08UGR1
.Rock dusting; Depositing other protective substances [1, 2006.01]
E21F 5/10UGR2
. .Devices for rock dusting [1, 2006.01]
E21F 5/12UGR2
. .Composition of rock dust [1, 2006.01]
E21F 5/14UGR1
.Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions [1, 2006.01]
E21F 5/16UGR1
.Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers (dust-absorbing materials in general C09K 3/22) [1, 2006.01]
E21F 5/18UGR1
.Impregnating walls, or the like, with liquids for binding dust [1, 2006.01]
E21F 5/20UGR1
.Drawing-off or depositing dust (methods or apparatus for flushing boreholes E21B 21/00; while slitting E21C 35/22) [1, 7, 2006.01]
E21F 7/00HGRMethods or devices for drawing-off gases with or without subsequent use of the gas for any purpose [1, 2006.01]
E21F 9/00HGRDevices preventing sparking of machines or apparatus (preventing sparking of electric machines or apparatus H01K, H02K) [1, 2006.01]
E21F 11/00HGRRescue devices or other safety devices, e.g. safety chambers or escape ways (breathing aids for curative purposes A61H 31/00; respiratory apparatus A62B 7/00; breathing apparatus for accidentally buried persons A62B 33/00) [1, 2006.01]
E21F 13/00HGRTransport specially adapted to underground conditions (mine cars B61D; transport in general, loading B65G) [1, 2006.01]
E21F 13/02UGR1
.in galleries [1, 2006.01]
E21F 13/04UGR1
.in gravity inclines; in staple or inclined shafts [1, 2006.01]
E21F 13/06UGR1
.at or adjacent to the working face [1, 2006.01]
E21F 13/08UGR1
.Shifting conveyors or other transport devices from one location at the working face to another (guiding mining machines along conveyors for the cut mineral E21C 35/12; in combination with mine roof supports for step-by-step movement E21D 23/00) [1, 2006.01]
E21F 13/10UGR1
.Anchorings for conveyors [2, 2006.01]
E21F 15/00ZWE
E21F 15/00HGRMethods or devices for placing filling-up materials in underground workings (dams E21F 17/103) [1, 6, 2006.01]
E21F 15/02UGR1
.Supporting means, e.g. shuttering, for filling-up materials [1, 2006.01]
E21F 15/04UGR2
. .Stowing mats; Goaf wire netting; Partition walls [1, 2006.01]
E21F 15/06UGR1
.Filling-up mechanically [1, 2006.01]
E21F 15/08UGR1
.Filling-up hydraulically or pneumatically (hydraulic or pneumatic transport devices B65G; pipes, pipe couplings F16L) [1, 2006.01]
E21F 15/10UGR2
. .Hydraulic or pneumatic filling-up machines [1, 2006.01]
E21F 16/00HGRDrainage (keeping dry foundation sites or other areas in the ground E02D 19/00) [2, 2006.01]
E21F 16/02UGR1
.of tunnels [2, 2006.01]
E21F 17/00HGRMethods or devices for use in mines or tunnels, not covered elsewhere (mine lighting F21, H05B) [1, 2, 2006.01]
E21F 17/02UGR1
.Suspension devices for tubes or the like, e.g. for ventilating ducts (supporting pipes, cables or protective tubing in general F16L 3/00-F16L 7/00) [1, 2006.01]
E21F 17/04UGR1
.Distributing means for power supply [1, 2, 2006.01]
E21F 17/06UGR2
. .Distributing electric power; Cable networks; Conduits for cables (circuit arrangements for supplying or distributing electric power in general H02J) [1, 2006.01]
E21F 17/08UGR2
. .Distributing hydraulic power; Pipe networks for hydraulic liquid (pipe-line systems in general F17D) [1, 2006.01]
E21F 17/10UGR2
. .Distributing pneumatic power; Pipe networks for compressed air (pipe-line systems in general F17D) [1, 2006.01]
E21F 17/103UGR1
.Dams, e.g. for ventilation [6, 2006.01]
E21F 17/107UGR2
. .inflatable [6, 2006.01]
E21F 17/12UGR2
. .Dam doors [1, 2006.01]
E21F 17/16UGR1
.Modification of mine passages or chambers for storage purposes, especially for liquids or gases (storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) [1, 2006.01]
E21F 17/18UGR1
.Special adaptations of signalling or alarm devices (for elevators, escalators or moving walkways B66B; gas-sensitive devices per seG01N) [1, 2006.01]