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CPC Subgroup
F42D 1/08

Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor

Full Title

Blasting methods or apparatus, e.g. loading or tamping > Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor

7 direct subcodes

Child Classifications

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  • F42D 1/10 Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure
  • F42D 1/12 Feeding tamping material by pneumatic or hydraulic pressure
  • F42D 1/18 Plugs for boreholes
  • F42D 1/20 Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B3/087)
  • F42D 1/22 Methods for holding or positioning for blasting cartridges or tamping cartridges