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:
May. 20, 1986
Filed:
Oct. 11, 1983
Applicant:
Inventors:
Josef Horak, Vienna, AT;
Friedrich Kassegger, Wiener Neustadt, AT;
Assignee:
Veitscher Magnesitwerke-Actien-Gesellschaft, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
165-91 ; 165-92 ; 165-94 ;
Abstract
A checkerwork in a horizontal regenerator chamber of a regeneratively fired furnace, comprising an array of horizontally and vertically adjacent hollow prismatic bricks of refractory material, the bricks being arrayed in horizontal and vertical rows, and each brick having a horizontally extending longitudinal axis, a rectangular periphery and an axially extending bore of a rectangular cross section.