Patent ID: 11945596
Assignee: AIRBUS OPERATIONS S.L.
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A method for producing an alveolar soundproofing structure comprising:
providing the alveolar structure which comprises at least one cell which has a basic cross section of any shape and a height, and a perforated membrane which comprises at least one hole, the perforated membrane being arranged at a first side of the alveolar structure,
covering at least the cell, and the hole opening into the cell;
providing a diaphragm, comprising a membrane which comprises at least one acoustic outlet;
providing an insertion tool, comprising an end piece that further comprises an external lateral wall;
inserting a portion of the membrane including the acoustic outlet into the hole of the perforated membrane with the external lateral wall of the insertion tool contacting a surface of the diaphragm and a step of pressing the diaphragm into the cell with the perforated membrane becoming deformed; and
a step of fixing the diaphragm to the perforated membrane.