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| SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 42 | AMMUNITION; BLASTING |
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| F 42 D | BLASTING (fuses, e.g. fuse cords, C 06 C 5/00; blasting cartridges F 42 B 3/00) |
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1/ | 00 | Blasting methods or apparatus, e.g. for loading or tamping |
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1/ | 02 | . | Arranging blasting cartridges to form an assembly (adaptation of blasting cartridges therefor F 42 B 3/02) |
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1/ | 04 | . | Arrangements for ignition |
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1/ | 045 | . | . | Arrangements for electric ignition (dynamo-electric generators H 02 K) [5] |
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1/ | 05 | . | . | . | Electric circuits for blasting [5] |
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1/ | 055 | . | . | . | . | specially adapted for firing multiple charges with a time delay [5] |
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1/ | 06 | . | . | Relative timing of multiple charges (F 42 D 1/055 takes precedence) |
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1/ | 08 | . | Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor [5] |
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1/ | 10 | . | . | Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure [5] |
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1/ | 12 | . | . | Feeding tamping material by pneumatic or hydraulic pressure [5] |
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1/ | 14 | . | . | Hand-operated tamping or loading [5] |
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1/ | 16 | . | . | . | Tamping tools [5] |
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1/ | 18 | . | . | Plugs for boreholes [5] |
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1/ | 20 | . | . | Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F 42 B 3/087) [5] |
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1/ | 22 | . | . | Means for holding or positioning blasting cartridges or tamping cartridges in boreholes [5] |
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1/ | 24 | . | . | characterised by the tamping material [5] |
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1/ | 26 | . | . | . | Tamping with foaming agents [5] |
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1/ | 28 | . | . | . | Tamping with gelling agents [5] |
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3/ | 00 | Particular applications of blasting techniques |
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3/ | 02 | . | for demolition of tall structures, e.g. chimney stacks |
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3/ | 04 | . | for rock blasting |
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3/ | 06 | . | for seismic purposes |
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5/ | 00 | Safety arrangements |
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5/ | 02 | . | Locating undetonated charges |
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5/ | 04 | . | Rendering explosive charges harmless, e.g. destroying ammunition (extracting primers, dismantling ammunition F 42 B 33/04, F 42 B 33/06); Rendering detonation of explosive charges harmless [5] |
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5/ | 045 | . | . | Detonation-wave absorbing or damping means [5] |
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5/ | 05 | . | . | . | Blasting mats [5] |
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5/ | 055 | . | . | Silencing means for blasting operations (F 42 D 5/045 takes precedence) [5] |
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5/ | 06 | . | Unloading boreholes |
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7/ | 00 | Other blasting |
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