John A Kallevig

Title: John A. Kallevig and Ammunition Containment Design.

Introduction

John A. Kallevig is an inventor associated with Saint Paul, Minnesota, and Alliant Techsystems Inc. His recorded patent concerns a two-piece bag designed to contain ammunition propellant.

Latest Patents

Kallevig’s listed patent, “Two-piece ammunition propellant containment bag,” describes a bag made of forward and aft sections. The forward section is secured near the sabot-obturator interface, while the aft section attaches to the cartridge casing. Circumferential fastening bands join the sections as the casing is positioned for bonding to the cartridge adapter. The patent describes hook-and-loop fasteners, such as those marketed under the Velcro trademark, as one example of the joining mechanism. Kallevig is credited with 1 patent in the information provided.

Career Highlights

The available information connects Kallevig’s invention to Alliant Techsystems Inc. The patent’s design addresses how a propellant containment bag can be assembled and secured within an ammunition cartridge.

Collaborations

James L. Kennedy is identified as Kallevig’s coworker. The information provided does not specify whether Kennedy collaborated on the patent.

Conclusion

John A. Kallevig’s recorded patent presents a two-section containment bag design that uses circumferential fasteners to connect the bag during cartridge assembly.