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. 08, 1994
Filed:
Sep. 21, 1989
Applicant:
Inventors:
Brijmohan J Roopchand, Murrysville, PA (US);
David I Yun, Murrysville, PA (US);
Douglas E Marinaro, Trafford, PA (US);
Mary E Hyland, Oakmont, PA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41H / ;
U.S. Cl.
CPC ...
89 3602 ; 109 84 ; 164100 ;
Abstract
Lightweight composite armor comprising a plurality of ceramic bodies embedded in a metal matrix. The ceramic bodies are preferably generally spherical alumina balls coated with a binder and ceramic particles. A particularly preferred coating comprises titanium dioxide and barium sulfate particles suspended in an aqueous sodium silicate solution at a thickness of about 0.76-1.5 mm.