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:
Aug. 26, 2025

Filed:

Dec. 23, 2021
Applicant:

Leonardo S.p.a., Rome, IT;

Inventors:

Stefano Giuseppe Corvaglia, Grottaglie, IT;

Nicola Gallo, Grottaglie, IT;

Antonio Baroni, Grottaglie, IT;

Alfredo Ricciardi, Grottaglie, IT;

Assignee:

LEONARDO S.P.A., Rome, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64F 5/10 (2017.01); B29C 70/00 (2006.01); B29C 70/30 (2006.01); B29C 70/68 (2006.01); B29K 25/00 (2006.01); B29K 105/08 (2006.01); B29L 31/30 (2006.01); B64C 3/20 (2006.01);
U.S. Cl.
CPC ...
B64F 5/10 (2017.01); B29C 70/003 (2021.05); B29C 70/30 (2013.01); B29C 70/682 (2013.01); B29K 2025/06 (2013.01); B29K 2105/089 (2013.01); B29L 2031/3085 (2013.01); B64C 3/20 (2013.01);
Abstract

The invention relates to a monolithic structure in composite material manufactured starting from a fiber-reinforced prepreg material and comprises two walls facing each other and at least one interconnection element extending transversely between the walls, connected to them and delimiting with the latter respective elongated cavities; wherein the walls extend symmetrically at opposite sides of a direction; the interconnection element is a rib extending transversely to the aforesaid direction; at least one wall has a sandwich configuration and comprises two panels facing each other and at least one spar member, which extends transversely between the panels, is connected to them, delimits with the latter respective elongated cavities and extends transversally to the rib.


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