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. 07, 2004
Filed:
Dec. 02, 2003
Applicant:
Inventors:
Donald E. Abrino, Curwensville, PA (US);
John Crooks, Robesonia, PA (US);
Ronald Barrett, Curwensville, PA (US);
Shyam Miglani, State College, PA (US);
Assignee:
North American Refractories Co., Moon Township, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 1/300 ;
U.S. Cl.
CPC ...
C21B 1/300 ;
Abstract
A lining for a bottom of a metallurgical vessel, comprising an impact pad having a plurality of close-packed, pre-formed, high-temperature, high-density refractory bricks, the pad having an upper impact surface, and a monolithic slab of a high-temperature refractory material encasing the pad, the slab encasing the pad wherein the upper surface of the impact pad is exposed.