SOUND-ABSORBING STRUCTURE FOR ACOUSTIC ANECHOICE CHAMBERS Russian patent published in 1996 - IPC

FIELD: sound-absorbing structures, acoustic anechoice chamber facing. SUBSTANCE: structure represents connecting member including three and more individual plane members in the form of mats of the same length and different width. Each member has a shell of fiber glass fabric and filler of superthin basalt fiber, sewed and stitched along all length by several elastic tapes of fiber glass fabric. Eyes for hanging fasteners, for example hooks, are provided on butt surfaces of the member. Hanging up the members of different width become close to each other with their lateral sides to form acoustic wedge. EFFECT: high sound absorbing effect. 6 dwg