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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
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CPC
COOPERATIVE PATENT CLASSIFICATION
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BLASTING (fuses, e.g. fuse cords, C06C 5/00 ;
{
for obtaining fluid from wells E21B 43/00 ; for mining or quarring E21C 37/00 ; for making tunnels or galleries E21D 9/006
}
; cartridges F42B 3/00)
[2013‑01]
WARNING

  • The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:
    F42D7/00 covered by F42D 1/00 , F42D 3/00
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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]
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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)
}
[2013‑01]
. .
{
Logic explosive circuits, e.g. with explosive diodes
}
[2013‑01]
. .
{
Connectors for detonating cords and ignition tubes, e.g. Nonel tubes (mounting of detonators in blasting cartridges F42B 3/26)
}
[2013‑01]
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F42D 1/045
. .
Arrangements for electric ignition (dynamo-electric generators H02K) [2013‑01]
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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]
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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]
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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]
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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]
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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]
.
for seismic purposes [2013‑01]
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Safety arrangements [2013‑01]
F42D 5/02
.
Locating undetonated charges [2013‑01]
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.
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 [2013‑01]
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. .
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]
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013