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:
Mar. 10, 1998
Filed:
Dec. 24, 1996
Applicant:
Inventors:
Yoichi Hirose, Saitama, JP;
Shiro Sasaki, Saitama, JP;
Hiroshi Hasegawa, Saitama, JP;
Uremu Hosono, Saitama, JP;
Masahide Utsunomiya, Saitama, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164114 ; 164117 ; 164136 ; 420900 ;
Abstract
The segregation in the hydrogen-absorbing alloy is decreased by a centrifugal casting which is devised in the present invention so that: a melt fed to the bottom portion of a cylindrical rotary mold solidifies during one rotation of the mold; and, the average depositing speed of melt is from approximately 0.005 to 0.1 cm/second.