CPC Subclass Not Allocatable
F42D BLASTING (fuses, e.g. fuse cords, C06C5/00; ; cartridges F42B3/00)
Description
F42D covers blasting technology and methods, including the design, manufacture, and use of explosives and blasting devices for controlled detonation in mining, construction, demolition, and quarrying operations. The classification encompasses blasting circuits, detonators, fuses, primer charges, and related ignition systems used to initiate explosive charges. It includes both commercial blasting applications and the technical specifications for blasting equipment, but excludes ammunition design (covered by F42B) and general explosive composition or manufacture (covered by C06B-C06D).
4 direct subcodes
Child Classifications
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- F42D 1/00 Blasting methods or apparatus, e.g. loading or tamping
- F42D 3/00 Particular applications of blasting techniques
- F42D 5/00 Safety arrangements
- F42D 99/00 Subject matter not provided for in other groups in this subclass