US Government As Represented by the Secretary of the Army

Vista Outdoor Operations LLC

Alliant Techsystems Inc.

Mohamed Elalem

Linjie Zhu

Fei Shen

Ming-Wan Young

Elbert Caravaca

Costas George Gogos

Viral Panchal

Niloufar Faridi

Dale Conti

Peter Bonnett

Howard Shimm

Joseph Palk, Jr

William J Worrell

Benjamin R Vaughan

Sandra L Case

Drew Lee Goodlin

Gregory C Burke

Chong Peng

Richard Quesenberry

Jeffrey Bandel

Philip Abbate

John Hirlinger

Christopher Csernica

Steve Kotefski

Vincent Gonsalves

Thomas DeVoe

Matthew P Evangelisti

Nikola Kotefski

Mingwan Young

Dylan McHugh

John W Grassia

Jacqueline A Longcore

Chandrark Patel

A multi-compartment mortar increment container (MIC) enables burning of two propellants to broaden the pressure-time curve providing additional energy and force behind a mortar shell while maintaining allowable pressures. During the ballistic cycle, the mortar increment container burns allowing the faster propellant to mix with the slower propellant. The slower propellant will burn later in the ballistic cycle generating higher pressure behind the projectile leading to higher velocity.

Multi-compartment mortar increment container

An ignition system for energetics including artillery charges includes a radio frequency transmitter and a radio frequency igniter. The radio frequency igniter receives and converts radio frequency energy into heat or electrical energy for the purpose of igniting energetics, such as propellants or pyrotechnics. The radio frequency igniter may be applied to the exterior of the energetic container or may be integral to the container.

Radio frequency igniter

A safety fuze for use in military and commercial applications, includes a fuze body that is attached to a trigger mechanism, an energetic train contained within the fuze body, and a non-energetic fuze delay mixture that is formed in a rod form so that it can dropped inside the fuze body, without modification to the other components of the safety fuze. Preferably, the non-energetic fuze delay mixture is made of foamed celluloid.

Foamed celluloid delay fuze

A muzzle loaded ammunition round having a bullet and a consumable cartridge case. The cartridge case is hollow and is filled with at least one propellant composition, the cartridge case being constructed from a consumable material, such as foamed celluloid. The bullet is commonly engaged to the propellant composition at least via the cartridge case, the propellant composition having a charge weight.

Advanced muzzle loader ammunition

A modular artillery charge system module includes a central igniter container and cap end and body end igniter containers fixed to the central igniter container. The central igniter container is a rigid, longitudinal tube with opposing ends. The end igniter containers are fixed to the opposing ends of the central igniter container. Each end igniter container includes a large container portion and a small container portion that extends from the large container portion toward the central igniter container. The central igniter container and end igniter containers are made of a rigid material, such as foamed celluloid.

Igniter for modular artillery charge system

An encapsulated propellant charge comprised a sealed combustible container comprised of a consumable material and having a substantially cylindrical shape. The sealed combustible container comprises a top wall, a bottom wall, and a side wall therebetween. The top wall, the bottom wall and the side wall define a chamber; which contains a propellant composition.

Muzzle loader powder increment using celluloid combustible container

A method of manufacture of foamed celluloid molded products, involving three steps for the manufacture of higher density (0.7 to 1.25 gm/cc) foamed celluloid products or simple geometry lower density (0.2 to 0.7 gm/cc) foamed celluloid products, and four steps for the manufacture of lower density foamed celluloid products of any geometry. The three step process involving: (1) providing small, uniform, pieces of celluloid; (2) presoaking the pieces in a physical blowing agent (PBA) under pressure; and (3) foaming at raised temperature a controlled quantity of the presoaked pieces in a mold&#x2014;to obtain the desired shape and density. For a lower density foamed celluloid product, of any moldable geometry, the steps are to: (1) small pieces of celluloid, that (2) have been presoaked in a PBA, are (3) pre-expanded to an intermediate density, and then (4) foam the desired lower density foamed product in a mold at raised temperature.

Foamed celluloid process using expandable beads

By using generally known chemically, physically, or a combination thereof, means to foam celluloid, a foamed celluloid material is invented with a density of less than about 1.25 gm/cm, which material is relatively low cost, very fast burning, very low residue, easily moldable, and which material exhibits good mechanical strength, and provides a good water barrier. These characteristics make this foamed celluloid a preferred choice for military artillery propellant charge bags, military mortar and civilian fireworks increment charges, combustible cartridges, flare housings, igniter tubes, as well as, closure disks, combustible enclosures and components thereof, among other applications.

Foamed celluloid combustible material

Growing community of inventors

East Orange, NJ, United States of America

Mohamed Elalem