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:
Oct. 02, 1990
Filed:
Aug. 29, 1989
Applicant:
Inventors:
Minoru Yoshinaka, Osaka, JP;
Eizo Asakura, Osaka, JP;
Mitsumasa Oku, Osaka, JP;
Takeshi Hamabe, Nishinomiya, JP;
Motoi Kitano, Kawanishi, JP;
Hideyuki Yoshida, Amagasaki, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
428614 ;
Abstract
A metal composition comprising zinc oxide whiskers dispersed in a metal matrix. The whiskers comprise at least one needle crystal having a basal part whose diameter is from 0.7 to 14 micrometers and a length from the basal part to its tip of from 3 to 200 micrometers. The metal composition is isotropically reinforced with respect to mechanical strength and is significantly improved in free cuttability.