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.
Patent No.:
Date of Patent:
Jan. 30, 2024
Filed:
Sep. 12, 2016
Nederlandse Organisatie Voor Toegepast-natuurwetenschappelijk Onderzoek Tno, 's-Gravenhage, NL;
Christoffel Adrianus van Driel, 's-Gravenhage, NL;
Dinesh Ravindre Ramlal, 's-Gravenhage, NL;
Martijn Zebregs, 's-Gravenhage, NL;
Michiel Hannes Straathof, 's-Gravenhage, NL;
NEDERLANDSE ORGANISATIE VOOR TOEGPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO, 's-Gravenhage, NL;
Abstract
The invention is in the field of propellants. In particular the invention is directed to a propellant for ammunition, such as medium and large caliber gun ammunition, having improved performance. In accordance with the present invention a propellant charge comprises one or more longitudinally extending, progressive-externally burning grains having a number of perforations passing through the grains in the length direction and having a cross-sectional shape (perpendicular to the grain's length direction) that is elongated.