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:
May. 16, 1989
Filed:
Oct. 26, 1987
Robert L Ward, Towanda, PA (US);
GTE Products Corporation, Stamford, CT (US);
Abstract
A method is disclosed for providing an article having within its integral body a plurality of sections of varying density. The method involves successively loading a die with each of a plurality of powders, each powder having a specific composition and particle size and each powder being loaded in a predetermined amount to result in each section of the final article having a characteristic density, compacting the powders to produce a preformed article, and sintering the preformed article at a sufficient temperature for a sufficient time to produce the final article. A method is disclosed in which the powders are metal. A metal article is disclosed which is produced the above methods, with the preferred metals being tungsten powder and molybdenum powder.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile