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:
Sep. 19, 1989
Filed:
Aug. 02, 1988
Applicant:
Inventors:
Heiner Trager, Budingen, DE;
Karl-Heinz Kleemann, Munster, DE;
Karl J Reifferscheid, Karben, DE;
Dieter H Gumbinger, Marietta, GA (US);
Assignee:
Metallgesellschaft Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164 591 ; 164 581 ;
Abstract
A process is described in which cast iron melt are inoculated in the mold. The cast iron melt flowing through the sprue or gate system of the mold is contacted in the mold with an inoculate body that is contained in the mold. In order to increase the rate of dissolution and to improve the results of inoculation, said body is mounted at both ends in mutually opposite recesses (core prints) in the wall of the sprue or gate system. In another embodiment, the flow area is constricted closely below the inoculating body.