|
F42D 1/00
|
Blasting methods or apparatus, e.g. for loading or tamping |
|
F42D 1/02
|
Arranging blasting cartridges to form an assembly |
|
F42D 1/04
|
Arrangements for ignition |
|
F42D 1/05
|
Electric circuits for blasting |
|
F42D 1/06
|
Relative timing of multiple charges |
|
F42D 1/08
|
Tamping methodsMethods for loading boreholes with explosivesApparatus therefor |
|
F42D 1/10
|
Feeding explosives in granular or slurry formFeeding explosives by pneumatic or hydraulic pressure |
|
F42D 1/12
|
Feeding tamping material by pneumatic or hydraulic pressure |
|
F42D 1/14
|
Hand-operated tamping or loading |
|
F42D 1/16
|
Tamping tools |
|
F42D 1/18
|
Plugs for boreholes |
|
F42D 1/20
|
Tamping cartridges, i.e. cartridges containing tamping material |
|
F42D 1/22
|
Means for holding or positioning blasting cartridges or tamping cartridges in boreholes |
|
F42D 1/24
|
Tamping methodsMethods for loading boreholes with explosivesApparatus therefor characterised by the tamping material |
|
F42D 1/26
|
Tamping with foaming agents |
|
F42D 1/28
|
Tamping with gelling agents |
|
F42D 1/045
|
Arrangements for electric ignition |
|
F42D 1/055
|
Electric circuits for blasting specially adapted for firing multiple charges with a time delay |
|
F42D 3/00
|
Particular applications of blasting techniques |
|
F42D 3/02
|
Particular applications of blasting techniques for demolition of tall structures, e.g. chimney stacks |
|
F42D 3/04
|
Particular applications of blasting techniques for rock blasting |
|
F42D 3/06
|
Particular applications of blasting techniques for seismic purposes |
|
F42D 5/00
|
Safety arrangements |
|
F42D 5/02
|
Locating undetonated charges |
|
F42D 5/04
|
Rendering explosive charges harmless, e.g. destroying ammunitionRendering detonation of explosive charges harmless |
|
F42D 5/05
|
Blasting mats |
|
F42D 5/06
|
Unloading boreholes |
|
F42D 5/045
|
Detonation-wave absorbing or damping means |
|
F42D 5/055
|
Silencing means for blasting operations |
|
F42D 99/00
|
Subject matter not provided for in other groups of this subclass |
