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:
Jul. 02, 1991
Filed:
Mar. 07, 1989
Applicant:
Inventors:
Jorg Peters, Dusseldorf, DE;
Herbert Weisshaupt, Aachen, DE;
Assignee:
Rheinmetall GmbH, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148-2 ; 148-3 ; 148320 ; 75568 ;
Abstract
A method of producing a low-carbon iron material to cover an explosive charge and the iron material produced by same wherein the molten raw iron material is refined to produce a dissolved carbon content in the iron material of less than 0.01 wieght percent, the refined iron material is cast in a deoxidized state, and a homogeneous structure of the material is set by high temperature reshaping of the casting at a temperature greater than 880.degree. C. to produce a material grain size of less than 100 .mu.m.