1. CPC Sections
  2. CPC Section F
  3. CPC Class F42
  4. CPC Subclass F42D
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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F42D
BLASTING (fuses, e.g. fuse cords, C06C 5/00; {for obtaining fluid from wells E21B 43/00; for mining or quarrying E21C 37/00; for making tunnels or galleries E21D 9/006}; cartridges F42B 3/00) [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
F42D 1/00
Blasting methods or apparatus, e.g. loading or tamping [2013-01]
F42D 1/02
.
Arranging blasting cartridges to form an assembly (adaptation of blasting cartridges therefor F42B 3/02) [2013-01]
F42D 1/04
.
Arrangements for ignition {(ignition systems for shaped charge perforators E21B 43/1185; ignition devices for seismic energy generators G01V 1/06)} [2013-01]
F42D 1/041
. .
{Tools for adapting cartridges for the mounting of detonators (cartridges specially adapted for the mounting of detonators F42B 3/26)} [2017-08]
F42D 1/042
. .
{Logic explosive circuits, e.g. with explosive diodes} [2013-01]
F42D 1/043
. .
{Connectors for detonating cords and ignition tubes, e.g. Nonel tubes (mounting of detonators in blasting cartridges F42B 3/26)} [2013-01]
F42D 1/045
. .
Arrangements for electric ignition (dynamo-electric generators H02K) [2013-01]
F42D 1/05
. . .
Electric circuits for blasting [2013-01]
F42D 1/055
. . . .
specially adapted for firing multiple charges with a time delay [2013-01]
F42D 1/06
. .
Relative timing of multiple charges ({F42D 1/043 and } F42D 1/055 take precedence) [2013-01]
F42D 1/08
.
Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor [2013-01]
F42D 1/10
. .
Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure [2013-01]
F42D 1/12
. .
Feeding tamping material by pneumatic or hydraulic pressure [2013-01]
F42D 1/14
. .
Hand-operated tamping or loading [2013-01]
F42D 1/16
. . .
Tamping tools [2013-01]
F42D 1/18
. .
Plugs for boreholes [2013-01]
F42D 1/20
. .
Tamping cartridges, i.e. cartridges containing tamping material (flexible or deformable blasting cartridges F42B 3/087) [2013-01]
F42D 1/22
. .
Methods for holding or positioning for blasting cartridges or tamping cartridges [2013-01]
F42D 1/24
. .
characterised by the tamping material [2013-01]
F42D 1/26
. . .
Tamping with foaming agents [2013-01]
F42D 1/28
. . .
Tamping with gelling agents [2013-01]
F42D 3/00
Particular applications of blasting techniques {(explosive welding B23K 20/08; explosive bolts or actuators F42B 3/006; explosive valves F16K 13/06; cutting devices actuated by explosion B23D 15/145; pyrotechnical actuators F15B 15/19; switching devices actuated by explosion H01H 39/00)} [2013-01]
F42D 3/02
.
for demolition of tall structures, e.g. chimney stacks [2013-01]
F42D 3/04
.
for rock blasting [2013-01]
F42D 3/06
.
for seismic purposes [2013-01]
F42D 5/00
Safety arrangements [2013-01]
F42D 5/02
.
Locating undetonated charges [2013-01]
F42D 5/04
.
Rendering explosive charges harmless, e.g. destroying ammunition ({F42B 39/14 and F42B 39/20 take precedence } ; extracting primers, dismantling ammunition F42B 33/04, F42B 33/06 {; chemical deactivating of explosives C06B 21/0091}); Rendering detonation of explosive charges harmless [2017-08]
F42D 5/045
. .
Detonation-wave absorbing or damping means [2013-01]
F42D 5/05
. . .
Blasting mats [2013-01]
F42D 5/055
. .
Silencing means for blasting operations [2013-01]
F42D 5/06
.
Unloading boreholes [2013-01]
F42D 99/00
Subject matter not provided for in other groups in this subclass [2013-01]