Obturator for robust and uniform discard

US10996037B2 · kind B2 · utility

Assignee

• The United States of America as represented by the Secretary of the Army · US

Inventors

• Michael A. Minnicino, II · Baltimore, US
• John C. Lutz · Tannersville, US
• Robert S. Darcy · Morristown, US

Key dates

• Filing date: Sep 4, 2018
• Grant date: May 4, 2021
• Expiry date: Sep 4, 2038

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F41A3/76
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

Embodiments of an obturator are provided herein. In some embodiments, an obturator includes an annular body having an inner surface configured to interface with a projectile, an outer surface configured to interface with a gun bore, and geometric features disposed in the annular body to create regions of localized stress and strain upon discharge from a weapon.