System of absorption of sound, performed through the use of special drilled metallic duels (Machine-translation by Google Translate, not legally binding)

摘要

Sound absorption system, also able to reduce heat transmissions, and particularly suitable for the reduction of noise and to improve the acoustics of premises in general, made by using special drilled metal staves, characterized, because said staves present in the surface an opportune series of holes, having a conformation of rigid structures that also allow the rational and easy coupling of the same coatings and the application on special structures, or the elastic suspension to the ceiling. (Machine-translation by Google Translate, not legally binding)