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. 17, 1994
Filed:
Oct. 16, 1990
Applicant:
Inventors:
Ed Linck, Kemah, TX (US);
Neil R Raskin, Rancho la Costa, CA (US);
V Swaminathan, El Cajon, CA (US);
Assignee:
Pyropower Corporation, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
52396 ; 524061 ;
Abstract
An expansion joint and flexible seal for refractory lined flues includes a flexible insulating body having a pair of end faces, a pair of lateral faces and a longitudinal dimension. The flexible seal further includes a filter element positioned adjacent to one of the end faces and extending in the longitudinal dimension. The filter element is attached to the insulating body and the assembly may be placed with other seal assemblies in endwise fashion around the periphery of a pair of opposing flue members. A further external pressure seal is provided, mounted to each end of the flue elements.