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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 11518541 B1

PDFFull Text
Date of Patent:
Dec. 06, 2022

Filed:

Apr. 16, 2019

Composite panel comprising a perforated metallic foil for lightning strike protection and a perforated metallic foil

Applicant:

Airbus Sas, Blagnac, FR;

Inventors:

Mohammed Salim Rahamat, Wallingford, CT (US);

Mark A. Murdoch, Wallingford, CT (US);

Kenneth William Burtt, Wallingford, CT (US);

Brett Alexander Macdonald, Wallingford, CT (US);

Franck Flourens, Blagnac, FR;

Richard Murillo, Blagnac, FR;

Valentin Garcia Martinez, Blagnac, FR;

Pablo Perez Cabrero, Blagnac, FR;

Assignee:

AIRBUS SAS, Blagnac, FR;

Attorney:

Greer, Burns & Crain, Ltd.

Primary Examiner:

Xiaobei Wang

Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 15/20 (2006.01); B32B 15/08 (2006.01); B32B 3/12 (2006.01); B32B 3/20 (2006.01); B32B 7/025 (2019.01); B32B 3/26 (2006.01); B32B 15/14 (2006.01); B64D 45/02 (2006.01); B23K 26/38 (2014.01); B26F 1/02 (2006.01); C23C 28/04 (2006.01); C23C 30/00 (2006.01); C23C 28/00 (2006.01); B23K 26/40 (2014.01); B23K 26/082 (2014.01); B23K 26/384 (2014.01); B23K 101/00 (2006.01); B23K 101/18 (2006.01); B23K 103/10 (2006.01);
U.S. Cl.
CPC ...
B64D 45/02 (2013.01); B23K 26/082 (2015.10); B23K 26/38 (2013.01); B23K 26/384 (2015.10); B23K 26/40 (2013.01); B26F 1/02 (2013.01); B32B 3/12 (2013.01); B32B 3/20 (2013.01); B32B 3/266 (2013.01); B32B 7/025 (2019.01); B32B 15/04 (2013.01); B32B 15/08 (2013.01); B32B 15/14 (2013.01); B32B 15/20 (2013.01); C23C 28/04 (2013.01); C23C 28/046 (2013.01); C23C 28/34 (2013.01); C23C 28/345 (2013.01); C23C 30/00 (2013.01); C23C 30/005 (2013.01); B23K 2101/006 (2018.08); B23K 2101/18 (2018.08); B23K 2103/10 (2018.08); C23C 2222/20 (2013.01); Y10T 428/1266 (2015.01); Y10T 428/1291 (2015.01); Y10T 428/12361 (2015.01); Y10T 428/12368 (2015.01); Y10T 428/12431 (2015.01); Y10T 428/12438 (2015.01); Y10T 428/12569 (2015.01); Y10T 428/12611 (2015.01); Y10T 428/12618 (2015.01); Y10T 428/12667 (2015.01); Y10T 428/12736 (2015.01); Y10T 428/12882 (2015.01); Y10T 428/12903 (2015.01); Y10T 428/24273 (2015.01); Y10T 428/24281 (2015.01); Y10T 428/24289 (2015.01); Y10T 428/24298 (2015.01); Y10T 428/24306 (2015.01); Y10T 428/24314 (2015.01); Y10T 428/24322 (2015.01); Y10T 428/24388 (2015.01); Y10T 428/24413 (2015.01);
Abstract

A composite panel having a plurality of carbon plies, a perforated metallic foil comprising several apertures and being directly secured to the plurality of carbon plies, and a protective layer made from resin reinforced with fibers which is secured to the metallic foil. The perforated metallic foil is embedded in the protective layer through its apertures. A free surface of the protective layer forms a top side of the composite panel. The thickness of the protective layer between the top side of the composite panel and the perforated metallic foil is at least 15 micrometers and the perforated metallic foil has a thickness of not more than 30 micrometers. The plurality of apertures in the aggregate defines an open area of not more than 40% of the surface area and a maximum distance between two opposed points in a perimeter of an aperture is equal to or less than 3 mm.

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