DIFF Subgroup
F42B 3/10 Initiators therefor (percussion fuzes F42C7/00; percussion caps F42C19/10; electric primers F42C19/12)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Initiators therefor
CPC: Initiators therefor (percussion fuzes F42C7/00; percussion caps F42C19/10; electric primers F42C19/12)
Full Title
Full titles differ between systems:
IPC:
Blasting cartridges, i.e. case and explosive > Initiators therefor
CPC:
Blasting cartridges, i.e. case and explosive (fuse cords, e.g. detonating fuse cords C06C5/00; chemical aspects of detonators, blasting caps or primers C06C7/00) > Initiators therefor (percussion fuzes F42C7/00; percussion caps F42C19/10; electric primers F42C19/12)
IPC and CPC are identically structured here. All 10 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F42B 3/103 Mounting initiator heads in initiators; Sealing-plugs since 1990 IPC+CPC Available in IPC and CPC
- F42B 3/11 characterised by the material used, e.g. for initiator case or electric leads (F42B3/107 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
- F42B 3/113 activated by optical means, e.g. laser, flashlight since 1990 IPC+CPC Available in IPC and CPC
- F42B 3/18 Safety initiators resistant to premature firing by static electricity or stray currents IPC+CPC Available in IPC and CPC
- F42B 3/192 designed for neutralisation on contact with water since 1990 IPC+CPC Available in IPC and CPC