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. 10, 2009
Filed:
Jul. 20, 2004
Applicant:
Philippe Mutsaarts, Obourg, BE;
Inventor:
Philippe Mutsaarts, Obourg, BE;
Assignee:
Vesuvius Crucible Company, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/10 (2006.01); B22D 41/28 (2006.01); B22D 46/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for deciding objectively whether a refractory plate of a slide gate valve used to control the flow of a molten metal during the pouring of the metal from an upper vessel to a lower vessel can be reused or should be discarded. Values of parameters measured during pouring or proper to the plate are determined during successive uses of the plate. The values are compared to threshold values to reach a decision. Also, a device for making decisions according to this method.