Vibration control damper spring
As known the items of Vibration control generally, there are Erigo spring, air spring, urethane or the like .Above all coil springs can fit for large load limit, and are uses multiple because set up easy as vibration control, but coil springs itself is extremely poor, it was necessary to add dumping function each to control for free vibration. By add this viscoelastic body with vibration control, it came true simplification of vibration and isolation control.
