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:
Jan. 05, 1982
Filed:
Jul. 16, 1979
Applicant:
Inventor:
Stuart S Spater, Livingston, NJ (US);
Assignee:
Nichols Engineering & Research Corp., Belle Mead, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23L / ; F23L / ;
U.S. Cl.
CPC ...
110163 ; 137375 ; 110225 ; 1262 / ;
Abstract
There is disclosed a damper for controlling the flow of high temperature gases to respective hearth chambers of a multiple hearth furnace, for example, the damper being formed of temperature resistant ceramic plate having an air cooled shaft extending diametrically therethrough and insulated from the plate by a heat resistant ceramic fiber material.