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.

Date of Patent:
Mar. 08, 2016

Filed:

Dec. 17, 2012
Applicant:

United Technologies Corporation, Hartford, CT (US);

Inventors:

Michael J. Parkin, S. Glastonbury, CT (US);

Colin J. Kling, Middletown, CT (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 9/00 (2006.01); F16L 55/00 (2006.01); F16L 23/032 (2006.01); F16L 43/00 (2006.01);
U.S. Cl.
CPC ...
F16L 55/00 (2013.01); F16L 23/032 (2013.01); F16L 43/008 (2013.01); Y10T 29/49286 (2015.01);
Abstract

A duct has: a first non-metallic member extending between a first end and a second end, at least at the first end having an outwardly-projecting flange portion; a metallic flange member having a sleeve extending between a first end and a second end and a flange extending outward from the sleeve and having a first face and a second face; and a second non-metallic member extending between a first end and a second end having an outwardly-projecting flange portion, the first non-metallic member flange portion mounted to the flange first face and the second non-metallic member flange portion mounted to the flange second face.


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