DEFRGB0093001EUROPEAN PATENT APPLICATIONA319840509EP83302321198304226562419820427IL1984050919841919831102198344 6E 04B 01/84 A 6E 04C 01:40 BenAcoustic building blocksfrEléments de construction acoustiques en forme de blocsdeBlockförmige, schallschluckende BauelementeMantel, JuvalMantel, JuvalDEFRGB19840509198419

An improved acoustic building block structure for attenuating unwanted vibrations comprising:

A structure section having a front side, a back side oppositely disposed from said front side,
a composite unit having at least two vibration attenuating components, and
said component lying in the path of vibration from front side to the back side.