May 27, 2025

US12313386 - Modifying a projectile casing

An apparatus, system, computer-readable medium, process, die, or combination thereof to modify a projectile casing. For example, a die and mandrel can be used to shape, resize, or otherwise modify a projectile casing. A die can include different portions or sections, where the portions or sections are designed to shape or size different portions of the projectile casing such as the neck, shoulder, or body of a projectile casing. A method to insert a projectile casing into a die, where the die already includes a mandrel, and then extracting the mandrel while the die and projectile casing are held in place.

Assignee: Mannis Operations LLC
Inventors: Jeffrey Citron
Filing date: 2023-10-30

projectilecasingmodificationdie

The patent describes a die designed to modify projectile casings by shaping or resizing different sections, such as the neck or body. It includes a threaded first portion with multiple sections and a second portion that allows for secure attachment and manipulation of the casing during the modification process.

Claim 1

A die to modify a projectile casing, the die comprising: a first portion of a die including a first set of threads on a first exterior surface of the first portion, wherein the first portion has a first section and a second section, wherein the first portion includes the first set of threads, and wherein the first section has a diameter that is larger than a diameter of the second section, and wherein the second section includes a second set of threads on a second exterior surface; and a second portion of the die including a third set of threads on an exterior surface of the second portion, wherein the second portion forms a hole to receive the second section of the first portion, and wherein the second section is to screw into the second portion. a first portion of a die including a first set of threads on a first exterior surface of the first portion, wherein the first portion has a first section and a second section, wherein the first portion includes the first set of threads, and wherein the first section has a diameter that is larger than a diameter of the second section, and wherein the second section includes a second set of threads on a second exterior surface; and a second portion of the die including a third set of threads on an exterior surface of the second portion, wherein the second portion forms a hole to receive the second section of the first portion, and wherein the second section is to screw into the second portion.

Google Patents

https://patents.google.com/patent/US12313386

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12313386