The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 26, 2011

Filed:

Sep. 19, 2007
Applicants:

Stéphane Cotet, Bourges, FR;

Laurent Desgland, Les Aix d'Angillon, FR;

Dominique Dion, Bourges, FR;

Inventors:

Stéphane Cotet, Bourges, FR;

Laurent Desgland, Les Aix d'Angillon, FR;

Dominique Dion, Bourges, FR;

Assignee:

Nexter Munitions, Versailles, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A deconfinement device for the casing of a piece of ammunition enclosing an explosive load able to be ignited by a priming fuse, said device comprising a connecting ring linked to the casing and enabling the priming fuse to be joined to said casing, wherein said device incorporates a structure to ensure a weakened and shearable link between said fuse and said connecting ring, said link being sheared further to an increase in the pressure inside said casing, said connecting ring incorporating a base forming a plate that can be projected onto said explosive load during the ignition of said fuse, said base being able to be fractured by the presence of pressure inside said body of said projectile.


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