| 摘要 |
<p>Sound vibration damper for walls connects the vibrating body to a vibratable paste, as in the parent patent. The paste is connected as a spring element and pref. is permanently plastic and comprises butyl rubber, polysulphide or bitumen, with the addition of high polymers if necessary. The mass element is eccentric and acts as one type of damper; a damper of a second kind is obtained by the symmetrical arrangement of the mass elements and acts in counter phase to the first.</p> |
