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:
Oct. 08, 2024

Filed:

Mar. 17, 2023
Applicant:

The Boeing Company, Arlington, VA (US);

Inventors:

Xiaoxi Wang, Mukilteo, WA (US);

Jill Elisabeth Seebergh, Seattle, WA (US);

Gary E. Georgeson, Tacoma, WA (US);

Assignee:

THE BOEING COMPANY, Arlington, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 9/236 (2006.01); B29C 33/38 (2006.01); B29C 35/02 (2006.01); B29C 35/04 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
B29C 33/3821 (2013.01); B29C 35/0227 (2013.01); B29C 35/045 (2013.01); B29C 2035/046 (2013.01); B29L 2031/3076 (2013.01);
Abstract

A material system including a plurality of expandable pellets or a monolithic flexible carrier is disclosed, each of which may include a polymer matrix configured to hold an expandable core, and a flexible skin configured to encapsulate the polymer matrix, and where the flexible skin is at least partially permeable with respect to the expandable core or a gas released by the expandable core. Implementations of the material system may include where the polymer matrix may include a thermoplastic polymer. The material system may include a charging source configured to introduce blowing agent. A method of curing a composite part is also described.


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