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:
Jun. 23, 2026

Filed:

Aug. 03, 2022
Applicant:

Safran, Paris, FR;

Inventors:

Pierre Nicolas Lanfant, Moissy-Cramayel, FR;

Hugues Laurent Alglave, Moissy-Cramayel, FR;

Patrick Dunleavy, Moissy-Cramayel, FR;

Assignee:

SAFRAN, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 51/00 (2006.01); B29C 51/26 (2006.01); B29C 51/42 (2006.01); B29L 22/00 (2006.01);
U.S. Cl.
CPC ...
B29C 51/006 (2013.01); B29C 51/266 (2013.01); B29C 51/428 (2013.01); B29L 2022/00 (2013.01);
Abstract

A method for making an acoustic component includes a plurality of hollow complex acoustic elements, the method including heating a film of thermoplastic material to a first temperature above the glass transition temperature of the film; shaping the heated film of thermoplastic material in a tool including a mould which has a plurality of mould cavities having a shape corresponding to the shape of the complex acoustic elements of the acoustic component to be made, the heated film of thermoplastic material being shaped locally in each of the mould cavities, at least the mould being kept at a second temperature above the glass transition temperature of the thermoplastic material; cooling the mould; and removing a complex acoustic multi-element panel including a plurality of hollow complex acoustic elements from the mould.


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