F42DBLASTING fuses, e.g. fuse cords, C06C5/00; for obtaining fluid from wells E21B43/00; for mining or quarrying E21C37/00; for making tunnels or galleries E21D9/006; cartridges F42B3/00In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. F42D1/00 F42D1/00Blasting methods or apparatus, e.g. loading or tamping F42D1/02Arranging blasting cartridges to form an assembly adaptation of blasting cartridges therefor F42B3/02 F42D1/04Arrangements for ignition ignition systems for shaped charge perforators E21B43/1185; ignition devices for seismic energy generators G01V1/06 F42D1/041Tools for adapting cartridges for the mounting of detonators cartridges specially adapted for the mounting of detonators F42B3/26 F42D1/042Logic explosive circuits, e.g. with explosive diodes F42D1/043Connectors for detonating cords and ignition tubes, e.g. Nonel tubes mounting of detonators in blasting cartridges F42B3/26 F42D1/045Arrangements for electric ignition dynamo-electric generators H02K F42D1/05Electric circuits for blasting F42D1/055specially adapted for firing multiple charges with a time delay F42D1/06Relative timing of multiple charges F42D1/043 and F42D1/055 take precedence F42D1/08Tamping methodsMethods for loading boreholes with explosivesApparatus therefor F42D1/10Feeding explosives in granular or slurry formFeeding explosives by pneumatic or hydraulic pressure F42D1/12Feeding tamping material by pneumatic or hydraulic pressure F42D1/14Hand-operated tamping or loading F42D1/16Tamping tools F42D1/18Plugs for boreholes F42D1/20Tamping cartridges, i.e. cartridges containing tamping material flexible or deformable blasting cartridges F42B3/087 F42D1/22Methods for holding or positioning for blasting cartridges or tamping cartridges F42D1/24characterised by the tamping material F42D1/26Tamping with foaming agents F42D1/28Tamping with gelling agents F42D3/00Particular applications of blasting techniques explosive welding B23K20/08; explosive bolts or actuators F42B3/006; explosive valves F16K13/06; cutting devices actuated by explosion B23D15/145; pyrotechnical actuators F15B15/19; switching devices actuated by explosion H01H39/00 F42D3/02for demolition of tall structures, e.g. chimney stacks F42D3/04for rock blasting F42D3/06for seismic purposes F42D5/00Safety arrangements F42D5/02Locating undetonated charges F42D5/04Rendering explosive charges harmless, e.g. destroying ammunition F42B39/14 and F42B39/20 take precedence ; extracting primers, dismantling ammunition F42B33/04, F42B33/06 ; chemical deactivating of explosives C06B21/0091Rendering detonation of explosive charges harmless F42D5/045Detonation-wave absorbing or damping means F42D5/05Blasting mats F42D5/055Silencing means for blasting operations F42D5/06Unloading boreholes F42D99/00Subject matter not provided for in other groups in this subclass