CONTINUOUS MANUFACTURING METHOD OF ACOUSTIC TRANSMISSION LOSS PANELS WITH RESONATOR NETWORK CORES

A method (800; 900) is described. The method (800; 900) is a continuous manufacturing method of an acoustic transmission loss panel resonator core (206). The acoustic panel (200) is a double-wall panel construction with two sidewall panels and a resonator core (206). The resonator core (206) is form...

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Bibliographische Detailangaben
Hauptverfasser:	WINKLER, Julian, KUCZEK, Andrzej E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR AEROPLANES AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AIRCRAFT AVIATION COSMONAUTICS HELICOPTERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOUND-PRODUCING DEVICES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A method (800; 900) is described. The method (800; 900) is a continuous manufacturing method of an acoustic transmission loss panel resonator core (206). The acoustic panel (200) is a double-wall panel construction with two sidewall panels and a resonator core (206). The resonator core (206) is formed from a roll (801) of film (803). One or more rollers (805) form interconnected resonator chambers (504) in the film (803). The resonator chambers (504) are in a rectangular lattice shape. The resonator chambers (504) are continuously formed from a single sheet and then bonded to the second sidewall (204). The resonator core (206) is then attached between first and second sidewalls (202, 204). The resonator core (206) defines an air gap between the resonator core (206) and the first sidewall (202).