Abstract: A lead-free, frangible bullet is provided. The lead-free, frangible bullet is manufactured without sintering or external heating of the bullet. The bullet is prepared by blending a lead-free copper powder mixture and cold compacting the powder in a die to form a bullet. The copper powder can be atomized copper powder, electrolytic copper powder, or a combination of atomized and electrolytic copper powder. The atomized copper powder can be water atomized, air atomized, and combination of water and air atomized. Preferably, the frangible bullet has a fragmentation less than 5 grains.
Type:
Grant
Filed:
June 18, 2012
Date of Patent:
November 20, 2012
Assignee:
United States Metal Powders Incorporated
Inventors:
Jessu Joys, Barry Anshutz, K. Clive Ramsey
Abstract: A lead-free, frangible bullet is provided. The lead-free, frangible bullet is manufactured without sintering or external heating of the bullet. The bullet is prepared by blending a lead-free copper powder mixture and cold compacting the powder in a die to form a bullet. The copper powder can be atomized copper powder, electrolytic copper powder, or a combination of atomized and electrolytic copper powder. The atomized copper powder can be water atomized, air atomized, and combination of water and air atomized. Preferably, the frangible bullet has a fragmentation less than 5 grains.
Type:
Grant
Filed:
October 8, 2009
Date of Patent:
July 24, 2012
Assignee:
United States Metal Powders Incorporated
Inventors:
Jessu Joys, Barry Anshutz, K. Clive Ramsey