Patent Number: 8,720,642

Title: Acoustic element and method for producing an acoustic element

Abstract: An acoustic element has at least two board-shaped elements (1, 2). A dampening element (3), preferably a nonwoven element, is arranged between the two board-shaped elements (1, 2). The board-shaped elements (1, 2) exhibit bore holes (1c, 1d, 2c, 2d). The bore holes each exhibit a diameter of not more than 3 mm.

Inventors: Beckervordersandforth; Wilfried (Verl, DE)


International Classification: E04B 1/82 (20060101)

Expiration Date: 5/13/12018