Acoustic panels that include multi-layer facesheets
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United States of America Patent
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Jul 21, 2020
Grant Date -
Jan 18, 2018
app pub date -
Feb 16, 2017
filing date -
Jul 18, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods are provided for fabricating acoustic panels. One embodiment is a method comprising acquiring a core of acoustic cells, and fabricating a facesheet covering the core by: dispensing a base layer of material atop the acoustic cells while leaving openings into each of the acoustic cells, covering the openings by applying a liner of porous material atop the base layer, dispensing a cap layer of material atop liner while leaving gaps in the cap layer over the acoustic cells, and fusing the cap layer to the liner by directly radiating laser energy onto locations where the cap layer has been dispensed.
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International Classification(s)
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- G10K:SOUND-PRODUCING DEVICES
- B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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