Apr 22, 2025

US12281884 - Bullet with jacket improvements

Devices and methods for a bullet with a strengthened mouth for improved penetration and expansion. In embodiments, a portion of the jacket is folded to provide double walls at the mouth. In embodiments, the jacket and core are partially bonded and partially separated.

Assignee: Federal Cartridge Company
Inventors: Richard Hurt, Lawrence P. Head
Filing date: 2022-08-09

bulletjacketammunitionpenetrationexpansion

The patent describes a method for manufacturing a bullet featuring a jacket with a strengthened mouth designed to enhance penetration and expansion. This involves partially bonding the jacket to the core while creating a double-walled region at the mouth and forming a forward-facing cavity in the core.

Claim 1

A method of manufacturing a bullet, comprising: providing a jacket with an open forward end; inserting a core into the jacket; partially bonding the jacket and the core with an unbonded region forward of a bonded region; curling the open forward end of the jacket radially inwardly to form a double walled region of the jacket; forming a forward-facing cavity in the core; and forming an ogive shape in a forward portion of the bullet. providing a jacket with an open forward end; inserting a core into the jacket; partially bonding the jacket and the core with an unbonded region forward of a bonded region; curling the open forward end of the jacket radially inwardly to form a double walled region of the jacket; forming a forward-facing cavity in the core; and forming an ogive shape in a forward portion of the bullet.

Google Patents

https://patents.google.com/patent/US12281884

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12281884