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:
Jul. 23, 1991
Filed:
Jul. 18, 1990
Applicant:
Inventors:
Charles Fisher, Strongsville, OH (US);
Hugh Kind, Rocky River, OH (US);
James Devine, Sheffield Lake, OH (US);
Michael J Gough, Gnosall, near Stafford, GB;
Ian N Delaney, Tamworth, GB;
Assignee:
Foseco International Limited, Birmingham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22D / ; B22D / ;
U.S. Cl.
CPC ...
164 571 ; 164134 ; 164358 ; 210209 ; 210496 ; 2105101 ;
Abstract
Molten iron is cast into a mould through a filter located in the runner system of the mould using a filter comprising a body having a plurality of cells, at least some of the cells having their walls at least partially coated with a first layer of wax and a second layer of an inoculant, such as graphite, calcium silicide or ferrosilicon, for the iron.