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:
Dec. 02, 2025

Filed:

Jul. 15, 2021
Applicant:

Airex Ag, Sins, CH;

Inventors:

Dietmar Rakutt, Cham, CH;

Roman Gätzi, Hünenberg See, CH;

Martin Gaul, Birrhard, CH;

Assignee:

Airex AG, Sins, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/30 (2006.01); B32B 5/18 (2006.01); B32B 27/06 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 3/30 (2013.01); B32B 5/18 (2013.01); B32B 27/065 (2013.01); B32B 27/36 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2266/0264 (2013.01); B32B 2307/7376 (2023.05); B32B 2603/00 (2013.01);
Abstract

The invention relates to a contoured structural element () for use as a core layer in a curved sandwich composite element, the contoured structural element () being formed from a thermoplastic foam, in particular PET, the contoured structural element () being subdivided, except for a connecting layer (), into a plurality of body elements (), and the body elements () and the connecting layer () being aligned parallel to a base area () of the contoured structural element () which is in a planar state. According to the invention, at least one surface layer () of the connecting layer () and the adjoining surface layer () of the body elements () at least partly have a thermally densified layer (); the body elements (), the connecting layer () and the thermally densified layer () being made of the same material.


Find Patent Forward Citations

Loading…