Shaped or hollow charges (blasting cartridges with cavities in the charge F42B3/08; oil winning using shaped-charge perforators E21B43/116)

Full Title

Explosive charges characterised by form or shape but not dependent on shape of container > Shaped or hollow charges (blasting cartridges with cavities in the charge F42B3/08; oil winning using shaped-charge perforators E21B43/116)

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

F42B 1/024 provided with embedded bodies of inert material
F42B 1/028 characterised by the form of the liner
F42B 1/032 characterised by the material of the liner
F42B 1/036 Manufacturing processes therefor