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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 11383503 B1

PDFFull Text
Date of Patent:
Jul. 12, 2022

Filed:

Dec. 17, 2019

Composite sandwich panel and associated methods of manufacture

Applicant:

The Boeing Company, Chicago, IL (US);

Inventors:

Hardik Dalal, Seattle, WA (US);

Panagiotis E. George, Lake Tapps, WA (US);

Kelsi M. Hurley, Kent, WA (US);

Ashley C. Tracey, Seattle, WA (US);

Assignee:

The Boeing Company, Chicago, IL (US);

Attorney:

Kunzler Bean & Adamson

Primary Examiner:

John L Goff, II

Int. Cl.
CPC ...
B32B 37/06 (2006.01); B32B 27/18 (2006.01); B32B 5/12 (2006.01); B29C 70/42 (2006.01); B32B 33/00 (2006.01); B32B 27/12 (2006.01); B32B 7/02 (2019.01); B32B 5/02 (2006.01); B32B 27/08 (2006.01); B32B 37/10 (2006.01); B32B 37/08 (2006.01); B32B 37/02 (2006.01); B32B 37/04 (2006.01); B32B 38/00 (2006.01); B32B 37/12 (2006.01);
U.S. Cl.
CPC ...
B32B 37/06 (2013.01); B29C 70/42 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 5/12 (2013.01); B32B 7/02 (2013.01); B32B 27/08 (2013.01); B32B 27/12 (2013.01); B32B 27/18 (2013.01); B32B 33/00 (2013.01); B32B 37/02 (2013.01); B32B 37/04 (2013.01); B32B 37/08 (2013.01); B32B 37/10 (2013.01); B32B 37/12 (2013.01); B32B 38/0036 (2013.01); B32B 2250/40 (2013.01); B32B 2262/02 (2013.01); B32B 2262/10 (2013.01); B32B 2262/106 (2013.01); B32B 2305/076 (2013.01); B32B 2307/542 (2013.01); B32B 2307/546 (2013.01); B32B 2307/722 (2013.01); B32B 2605/18 (2013.01);
Abstract

Disclosed herein is a composite sandwich panel that includes a first face portion with fully consolidated comingled first fibers and a first thermoplastic matrix. The composite sandwich panel also includes a second face portion with fully consolidated comingled second fibers and a second thermoplastic matrix. Additionally, the composite sandwich panel includes at least one core portion with partially consolidated comingled third fibers and a third thermoplastic matrix. The at least one core portion is interposed between the first and second face portions. The first thermoplastic matrix is melded with the third thermoplastic matrix and the second thermoplastic matrix is melded with the third thermoplastic. A density of the fibers across a thickness of the composite panel is non-uniform.

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