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:
Aug. 05, 1980
Filed:
Feb. 05, 1979
Applicant:
Inventors:
Calvin E Kelly, Murrysville Borough, PA (US);
Richard W Stanley, Monroeville Borough, PA (US);
Assignee:
United States Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10B / ;
U.S. Cl.
CPC ...
202248 ; 1101 / ; 202269 ;
Abstract
A sealing means for a coke oven chuck door. The sealing means includes a metal sealing member which has springiness and flexibility and is supported cantilever fashion on the inside of the door frame. An insulation block is interposed between the sealing member and door frame. The sealing member has a knife edge flange which extends around its perimeter and is automatically aligned with a sealing surface on the main door on which the chuck door is mounted.