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:
Feb. 14, 1989
Filed:
Jun. 07, 1988
Applicant:
Inventors:
Akihiro Nomura, Yokohama, JP;
Hisahiko Fukase, Meguro, JP;
Kunio Matsui, Yokohama, JP;
Atsushi Hirata, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164449 ; 164155 ; 164428 ;
Abstract
Flow rates of melt supplied to triple-point regions are controlled in response to detected shapes of lateral side surfaces of a casting and a level of the melt in a basin is maintained constant, whereby high-quality castings are produced.