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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.:

US 9511571 B1

PDFFull Text
Date of Patent:
Dec. 06, 2016

Filed:

Jan. 23, 2007

Composite laminate having a damping interlayer and method of making the same

Applicants:

Joshua M. Montgomery, Seattle, WA (US);

Salvatore L. Liguore, St. Louis, MO (US);

Tuan Q. Cao, Seattle, WA (US);

Inventors:

Joshua M. Montgomery, Seattle, WA (US);

Salvatore L. Liguore, St. Louis, MO (US);

Tuan Q. Cao, Seattle, WA (US);

Assignee:

THE BOEING COMPANY, Chicago, IL (US);

Attorney:

Yee & Associates, P.C.

Primary Examiner:

Jennifer Chriss

Assistant Examiner:

Camie Thompson

Int. Cl.
CPC ...
B32B 5/02 (2006.01); B32B 27/12 (2006.01); B32B 27/04 (2006.01); B32B 37/00 (2006.01); B29C 65/00 (2006.01); B32B 33/00 (2006.01); B32B 5/26 (2006.01); B32B 5/28 (2006.01); B32B 7/02 (2006.01); B29C 70/08 (2006.01); B29C 70/24 (2006.01); B29C 70/44 (2006.01); B29K 75/00 (2006.01); B32B 38/00 (2006.01);
U.S. Cl.
CPC ...
B32B 33/00 (2013.01); B29C 70/086 (2013.01); B32B 5/26 (2013.01); B32B 5/28 (2013.01); B32B 7/02 (2013.01); B32B 27/04 (2013.01); B32B 27/12 (2013.01); B29C 70/08 (2013.01); B29C 70/24 (2013.01); B29C 70/44 (2013.01); B29K 2075/00 (2013.01); B29K 2995/0046 (2013.01); B32B 2038/0076 (2013.01); B32B 2307/56 (2013.01); Y02T 50/433 (2013.01); Y10T 428/24322 (2015.01); Y10T 428/24488 (2015.01); Y10T 428/24995 (2015.04);
Abstract

Composite laminates used in structural applications include an interlayer of soft material that provides damping action to reduce noise and vibration. The interlayer may comprise a viscoelastic material which deforms under stress caused by shock, noise or vibration. A reinforcement may be embedded in the viscoelastic material to maintain the mechanical strength and stiffness of the laminate. The reinforcement may include individual or woven fibers or ridged tubes that provide the interlayer with stiffness.

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