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:
Apr. 17, 1979
Filed:
Nov. 25, 1977
Applicant:
Inventors:
Arthur J Pignocco, Franklin Township, Westmoreland County, PA (US);
Robert H Kachik, Washington Township, Westmoreland County, PA (US);
Assignee:
United States Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
428 36 ; 138145 ; 138146 ; 427181 ; 427183 ; 427226 ; 427229 ; 427234 ; 427239 ; 427240 ; 427241 ; 427405 ; 4274 / ; 428472 ;
Abstract
A method of producing a refractory lining in a cylinder or tube by initiating an exothermic reduction reaction, such as an aluminothermic reduction reaction, within the cylinder and causing the reaction products to coat the interior of the tube substantially uniformly. The product of the method, a ceramic-or refractory-lined cylinder, is also disclosed.