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:
Jan. 06, 2004
Filed:
Sep. 06, 2002
Jean-Luc Renard, Saint-Symphorien, BE;
Luigi Borgosano, Quaregnon, BE;
Vesuvius Crucible Company, Wilmington, DE (US);
Abstract
The present invention relates to a grooved refractory pouring tube for pouring a molten metal between an upper metallurgical vessel and a lower metallurgical vessel, a refractory assembly incorporating such a pouring tube, and a casting installation incorporating such an assembly. This refractory pouring tube forms a portion ( ) of a pouring channel and includes at least a first contact face ( ) capable of bearing against a second contact face ( ) of another refractory component ( ) forming an adjacent portion of the pouring channel and provided with an injection groove ( ) forming, in conjunction with the first contact face ( ), a fluid injection channel at least partially encircling the said channel, the said pouring tube ( ) being arranged to be displaced in a predefined trajectory along which the first contact face ( ) slides and remains in bearing contact against the second contact face ( ), whilst the portion ( ) of the pouring channel formed by the said pouring tube intercepts a determinate part ( ) of the injection groove.