MULTI-COMPONENT BULLET WITH CORE RETENTION FEATURE AND METHOD OF MANUFACTURING THE BULLET
First Claim
1. A bullet, comprising:
- a malleable core having a section with a first end and a second end;
a jacket surrounding the malleable core, the jacket having a first end and a second end; and
a non-rigid locking band surrounding a portion of the jacket configured to retain the malleable core with the jacket during use, at least a portion of the locking band extending along a circumferential depression in a wall of the jacket and the malleable core;
wherein the locking band comprises a deformable material such that upon impact, the locking band moves away from the circumferential depression, exposing a hinge area defined adjacent the circumferential depression and about which at least a portion of the jacket folds during expansion of the bullet.
20 Assignments
0 Petitions
Accused Products
Abstract
A three component bullet with an improved core retention feature and a method of manufacturing the bullet includes a cylindrical jacket having an open end and a closed end containing a malleable metal core which is forced into a forming die having a bottleneck shaped interior, wherein the outside diameter of the open-ended forward portion of the jacket is smaller than the outside diameter of its closed rearward portion. The open end of the pre-form may be dropped through or forced through a malleable non-rigid locking band. A relatively tight-fitting punch enters the open end of the pre-form, to radially swell the core and subsequently portions of the jacket fore and aft of the non-rigid locking band, thereby securing the non-rigid locking band in place. An inwardly-extending annular band of jacket material embeds itself into the core material to lock the core inside the jacket.
32 Citations
17 Claims
-
1. A bullet, comprising:
-
a malleable core having a section with a first end and a second end; a jacket surrounding the malleable core, the jacket having a first end and a second end; and a non-rigid locking band surrounding a portion of the jacket configured to retain the malleable core with the jacket during use, at least a portion of the locking band extending along a circumferential depression in a wall of the jacket and the malleable core; wherein the locking band comprises a deformable material such that upon impact, the locking band moves away from the circumferential depression, exposing a hinge area defined adjacent the circumferential depression and about which at least a portion of the jacket folds during expansion of the bullet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method of manufacturing a bullet, comprising:
-
filling a jacket with a core material; applying a non-rigid, deformable band about the jacket; forming a circumferential depression about the jacket and the core material within the jacket with the non-rigid band being received within the circumferential depression formed in the jacket and the malleable core; and expanding the core material and jacket adjacent the circumferential depression such that the jacket and the malleable core material are retained together with the non-rigid band positioned within the circumferential depression formed around the jacket; wherein forming the circumferential depression comprises urging portions of the jacket and malleable core inwardly to define a hinge area at a selected location along the body of the bullet below an ogive portion thereof, whereby upon impact of the bullet, the ogive portion of the bullet folds about the hinge area to facilitate expansion of the bullet. - View Dependent Claims (15, 16, 17)
-
Specification