Patent ID: 9329009
Filing Date: 2016-05-03
CPC Classification: B21K,B23K,B44C,C22F,F42B,Y10S

Claim Text:
1. A method of forming a jacketed bullet having an ogival front end portion, comprising the steps of: a) providing and drawing a sheet metal blank into a cup shaped jacket blank, the cup shaped jacket blank having a first end portion being closed, a second end portion being open and a wall, wherein the sheet metal blank is made from a material suitable for use as cartridge bullet jackets; b) providing a core having a first end and a second end; c) forming the core in the cup shaped jacket blank against said first end portion by swaging or molding the core directly into the cup shaped jacket blank; d) providing a scanning laser system capable of finely annealing and/or hardening specific patterns in the sheet metal blank material; and e) laser annealing and/or laser hardening a portion of the cup shaped jacket blank at the first end portion with a laser beam emitted from the scanning laser system in a shape of a predetermined pattern, the cup shaped jacket blank forming a jacket of the jacketed bullet, wherein the first end portion forms at least a portion of the ogival front end portion, such that at least a portion of the ogival front end portion includes a pattern of laser annealed and/or laser hardened material consistent with the predetermined pattern.