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:
Aug. 04, 1998
Filed:
Dec. 09, 1996
Applicant:
Inventors:
Assignee:
N.D.C. Co., Ltd., Chiba-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75249 ;
Abstract
Disclosed is an aluminum base sintered material, in which said material comprises base powders 2 of an aluminum or an alloy thereof and numerous endless passages being formed by pores connected to each other, said pores intervening between said base powders 2 adjacent to each other, and in which said material is provided with bridging portions 3 for interconnecting said base powders 2 adjacent to each other, said bridging portions 3 having therein an eutectic structure with a hyper-eutectic compounds and with a containment of the eutectic element and the balance of aluminum.