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:
Apr. 03, 1990
Filed:
Jun. 03, 1988
Applicant:
Inventors:
Hideki Nakamura, Yonago, JP;
Takayuki Fukaya, Yasugi, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75228 ; 419 10 ; 419-7 ; 419 23 ; 419 36 ; 419 38 ; 419 41 ; 419 55 ; 419 56 ; 419 65 ; 419 67 ; 408119 ; 408204 ; 408205 ; 408206 ; 7610 / ;
Abstract
Metallic sintered parts with hollow structure and high density and toughness can be produced easily be kneading a raw metallic powder with an aqueous solution of an organic binder, extruding the resulting kneaded mixture, removing the organic binder from the extruded product and sintering the binder removed extruded product.