The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 28, 2023
Filed:
Sep. 24, 2021
Applicant:
Luvata Ohio Inc., Delaware, OH (US);
Inventor:
Brian Swank, Delaware, OH (US);
Assignee:
LUVATA OHIO, INC., Delaware, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B 5/28 (2006.01); B21K 21/04 (2006.01); F42B 5/295 (2006.01); C22C 38/00 (2006.01); C21D 7/02 (2006.01); C22C 38/04 (2006.01); C21D 8/06 (2006.01); C21D 9/16 (2006.01); C22C 38/02 (2006.01);
U.S. Cl.
CPC ...
B21K 21/04 (2013.01); C21D 7/02 (2013.01); C21D 8/065 (2013.01); C21D 9/16 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); F42B 5/28 (2013.01); F42B 5/295 (2013.01);
Abstract
A boron steel high pressure cartridge case and method of manufacturing the same is provided. The method includes cold forming a cartridge case into a drawn blank or a tubular component; annealing the cartridge case using a belt furnace, flame furnace, induction furnace, or a batch furnace; performing a machine ejector slot and trim on the cartridge case; forming the shoulder and neck of the cartridge case; performing a heat treatment of the cartridge case; and tempering the cartridge case. The cartridge case is fabricated of boron steel including ≤1.0% boron.