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:
Apr. 14, 1998
Filed:
Dec. 31, 1996
Applicant:
Inventors:
Marlin R Jiranek, II, Elizabethtown, KY (US);
Michael D Keeney, Elizabethtown, KY (US);
Assignee:
Remington Arms Company, Inc., Madison, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; F41A / ; B22F / ;
U.S. Cl.
CPC ...
428553 ; 428665 ; 428457 ; 4289088 ; 75248 ; 420430 ; 420432 ; 42 16 ; 42 17 ; 29903 ; 29DI / ; 419 38 ; 419 28 ; 419 29 ; 419 54 ; 419 55 ;
Abstract
A firearm bolt prepared from an alloy of tungsten, nickel and iron having a density of about from 14.1 g/cc to 18.0 g/cc. The alloy preferably also contains at least one of molybdenum, cobalt, rhenium, tantalum and gold. The alloy is preferably manufactured by standard powder metallurgical techniques followed by a liquid phase sinter and vacuum anneal. The bolt can also be manufactured using solid state sintering. The bolt can also be manufactured by mechanically working the material after sintering, after annealing, or after both sintering and annealing.