DIFF Subgroup
F42D 1/08 Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Blasting methods or apparatus, e.g. for loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
CPC:
Blasting methods or apparatus, e.g. loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- F42D 1/10 Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure since 1990 IPC+CPC Available in IPC and CPC
- F42D 1/12 Feeding tamping material by pneumatic or hydraulic pressure since 1990 IPC+CPC Available in IPC and CPC
- F42D 1/20 Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087) since 1990 IPC+CPC Available in IPC and CPC
- F42D 1/22 Methods for holding or positioning for blasting cartridges or tamping cartridges since 1990 IPC+CPC Available in IPC and CPC