Patent ID: 6427610
Filing Date: 2002-08-06
Classification: F27D

Abstract:
A refractory hanger brick for high temperature industrial furnace roof construction comprising;an elongated upwardly extending refractory portion having a generally rectangular cross section in a direction transverse to its length, a lower refractory base portion having a generally rectangular lower face having four sides, each said side having a length greater than a corresponding side of said elongated upwardly extending refractory portion, thereby forming a support ledge for supporting at least one of insulating material and adjacent filler bricks, and an end portion of said elongated upwardly extending refractory portion which is distal from said lower refractory base portion forming a first hanger recess and a second hanger recess each extending along one of opposite said corresponding sides of said elongated upwardly extending refractory portion; and said elongated upwardly extending refractory portion having at least one generally laterally extending lug above each of said first hanger recess and said second hanger recess, and the at least one generally extending lug extending outward one of said opposite corresponding sides wherein a first face of a first side of said lower refractory base portion comprises a ridge extending along said first side generally parallel to said lower face, a second face of a second side of said sides of said lower refractory base portion forms a recess extending along said second side, which is opposite said first side, and said recess is sized to mate with said ridge on an adjacent hanger brick.