SOUND-PERMEABLE METAL PLATE AND SOUND-ABSORBING COMPOSITE PLATE USING SAME

A sound-permeable metal plate, which is a plate processed to have concavity and convexity formed thereon, may include: a plurality of cells protruding from the plate; and a flat base portion formed between the plurality of cells, wherein each of the cells includes a plurality of wall surface parts,...

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Bibliographische Detailangaben
Hauptverfasser:	RYU, Jong Hyun, SIM, Jae Gi
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR 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 SOUND-PRODUCING DEVICES TRANSPORTING
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Beschreibung
Zusammenfassung:	A sound-permeable metal plate, which is a plate processed to have concavity and convexity formed thereon, may include: a plurality of cells protruding from the plate; and a flat base portion formed between the plurality of cells, wherein each of the cells includes a plurality of wall surface parts, which are bent on and protrude from the base portion, and a cover portion extending from end portions of the wall surface parts, and each of the cells has a straight line-shaped slit formed through the plate.