Title:
The nest-like object of the sound absorption bee which has a hole vacancy barrier membrane cap
Document Type and Number:
Japanese Patent JP6042901
Kind Code:
B2
Abstract:
A method for making an acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of flexible material that may be perforated before or after the material is inserted into the honeycomb. The flexible material is sufficiently flexible to allow folding into the shape of a septum cap. The flexible material is also sufficiently stiff to provide frictional engagement and locking of the septum cap to the honeycomb cell when the cap is inserted into the honeycomb during fabrication of the acoustic structure. An adhesive is applied to the septum caps after the caps have been inserted into the honeycomb cells to provide a permanent bond.
Inventors:
Ale, Earl
Application Number:
JP2014538823A
Publication Date:
December 14, 2016
Filing Date:
October 11, 2012
Export Citation:
Assignee:
Hexel Corporation
International Classes:
G10K11/16; B64C1/40; B64D33/00; E04B1/86; E04C2/36; G10K11/172
Domestic Patent References:
| JP2010522291A | ||||
| JP55038595A | ||||
| JP2008537604A |
Foreign References:
| US3952831 | ||||
| US4257998 | ||||
| US5997985 | ||||
| US20020050420 |
Attorney, Agent or Firm:
Asamura patent office
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