Acoustic septum cap honeycomb

Details Acoustic septum cap honeycomb Acoustic septum cap honeycomb

2005-04-04

2008-10-14

Donovan, Lincoln (Department: 2837)

Acoustics

Sound-modifying means

Sound absorbing panels

C181S284000, C181S286000, C181S288000, C181S290000, C181S293000

Reexamination Certificate

active

07434659

ABSTRACT:
An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a flange portion. The flange portion has an anchoring surface that provides frictional engagement of the septum caps to the honeycomb cells when the caps are inserted into the honeycomb during fabrication of the acoustic structure. An adhesive is applied to the anchoring surface of the septum caps after the caps have been inserted into the honeycomb cells to provide a permanent bond.

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