EP 3919854 A1 20211208 - IMPROVED SHAPED CHARGE DEVICE
Title (en)
IMPROVED SHAPED CHARGE DEVICE
Title (de)
VERBESSERTE HOHLLADUNGSVORRICHTUNG
Title (fr)
DISPOSITIF DE CHARGE À FORME AMÉLIORÉE
Publication
Application
Priority
EP 20275101 A 20200604
Abstract (en)
This invention relates to an improved shaped charge perforator, especially to energy focusing device for a shaped charge perforator, said perforator comprising a high explosive and a liner, wherein the focussing device is located between the perforator and a target, the energy focusing device comprising an aperture there through,wherein the energy focussing device is located co-axial with the perforator, such that in use said formed jet of the perforator, passes through said aperture,wherein the focussing device comprises a choke region co-axial with the perforator, said choke region has a diameter less than the diameter of the shape charge, to focus the output of the high explosive and remaining liner through said choke region and through said aperture.
IPC 8 full level
F42B 1/02 (2006.01); F42B 3/22 (2006.01); F42B 12/16 (2006.01); E21B 43/119 (2006.01)
CPC (source: EP)
F42B 1/02 (2013.01); F42B 3/22 (2013.01); F42B 12/16 (2013.01); E21B 43/119 (2013.01)
Citation (search report)
- [XI] US 4860655 A 19890829 - CHAWLA MANMOHAN S [US]
- [XI] DE 1267582 B 19680502 - DYNAMIT NOBEL AG
- [X] US 2016186536 A1 20160630 - DAI PENG [CN]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 20275101 A 20200604