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. 07, 2001
Filed:
Jul. 21, 1998
Applicant:
Inventors:
Patrick M. Noonan, Boggstown, IN (US);
Robert D. Hauk, Shelbyville, IN (US);
Frederick M. Beyer, St. Paul, IN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/702 ; F16L 9/14 ;
U.S. Cl.
CPC ...
B32B 1/702 ; F16L 9/14 ;
Abstract
A rigid air duct is provided for conducting flowing air. The air duct includes a fiber glass board that is deformed to define a channel for conducting flowing air. A mat facing is adhered to an interior surface of the board and is made of a fabric including glass fibers. Uncured portions of a binder material in the fiber glass board are heated and cured to adhere the mat facing to the board.