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:
Jun. 02, 1992
Filed:
Mar. 28, 1991
Applicant:
Inventors:
Edul M Daver, Warren, NJ (US);
Krishnakant B Patel, Piscataway, NJ (US);
Assignee:
Alcan Aluminum Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G22C / ;
U.S. Cl.
CPC ...
75231 ; 75252 ; 419 10 ; 419 11 ; 419 12 ; 419 28 ; 419 32 ; 419 38 ;
Abstract
The invention provides a sinterable brass powder blend, comprising about 90% to about 99% by weight of brass powder, about 0.2% to about 6.0% by weight manganese sulfide, and 0% to about 5.0% by weight of lubricants, binders, graphite, sintering enhancing additives and mixtures thereof. The invention also provides methods for making lead-free but machinable sintered brass powder metal parts.