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. 12, 2020
Filed:
Nov. 20, 2017
Applicant:
The Alloy Engineering Company, Berea, OH (US);
Inventors:
Glenn Jackson, North Royalton, OH (US);
Bradley Lyle, Medina, OH (US);
Assignee:
THE ALLOY ENGINEERING COMPANY, Berea, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F27D 1/02 (2006.01); B23P 15/26 (2006.01); F27B 9/30 (2006.01); F27B 9/20 (2006.01);
U.S. Cl.
CPC ...
F27D 1/028 (2013.01); B23P 15/26 (2013.01); F27B 9/20 (2013.01); F27B 9/30 (2013.01); F27B 2009/305 (2013.01);
Abstract
A reverse catenary muffle, and method of forming same, includes a planar lower surface, and first and second sidewalls extending upwardly in parallel relation from opposite, first and second edges, respectively, of the lower surface. A concave arch-shaped upper surface extending from upper ends of the first and second sidewalls wherein upper portions of the arch-shaped upper surface are defined at an interconnection of the upper surface with the sidewalls, and a central portion of the upper surface spaced from the lower surface.