Jun 3, 2025

US12320238 - Encapsulated shaped charge

Various exemplary embodiments of an encapsulated shaped charge ( 100 ) may include a charge case ( 110 ), a charge lid ( 120 ) covering an open end of the charge case, and an external clip assembly connected to each of the charge case and the charge lid. The charge case may house explosive material ( 111 ) and a shaped charge liner ( 112 ). The external clip assembly may include one or more clips ( 140 ) respectively connected to each of a retainer ring ( 130 ) positioned on the charge lid, and the charge case. The retainer ring may be formed from a material that will melt or burn when exposed to fire. According to the exemplary embodiments, melting or burning the retainer ring can release the one or more clips from the retainer ring and/or charge lid.

Assignee: DynaEnergetics Europe GmbH
Inventors: Stefan Purcelean, Joern Olaf Loehken, Benjamin Donauer, Joerg Mueller
Filing date: 2021-05-21

The patent describes an encapsulated shaped charge that features a charge case containing explosive material and a shaped charge liner, along with a charge lid and an external clip assembly. The design includes a retainer ring made from a material that melts or burns when exposed to fire, allowing for the release of clips that secure the charge lid and case.

Claim 1

An encapsulated shaped charge, comprising: a charge case holding an explosive and a liner; a charge lid covering an open end of the charge case; and an external clip assembly connected to each of the charge case and the charge lid; wherein the charge lid includes an inner skirt extending downwardly from an inside portion of the charge lid; and the inner skirt includes a gap. a charge case holding an explosive and a liner; a charge lid covering an open end of the charge case; and an external clip assembly connected to each of the charge case and the charge lid; wherein the charge lid includes an inner skirt extending downwardly from an inside portion of the charge lid; and the inner skirt includes a gap.

Google Patents

https://patents.google.com/patent/US12320238

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12320238