E21F 5/00 Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires
CPC: Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05)
Full Title
Full titles differ between systems:
Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires
Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05)
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E21F 5/08 Rock dusting of mines; Depositing other protective substances IPC+CPC Available in IPC and CPC
- E21F 5/14 Fluid barriers or rock dusters made to work by, or at the same time as, shots or explosions +2 CPC IPC+CPC Available in IPC and CPC
- E21F 5/16 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 C09K3/22) IPC+CPC Available in IPC and CPC
- E21F 5/18 Impregnating walls, or the like, with liquids for binding dust IPC+CPC Available in IPC and CPC
- E21F 5/20 Drawing-off or depositing dust (; while slitting E21C35/22) IPC+CPC Available in IPC and CPC