US Patent:
20090283359, Nov 19, 2009
Inventors:
Brian Ravnaas - West Fargo ND, US
Assignee:
SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION - Aurora OH
International Classification:
E04B 1/82
Abstract:
A sound damping device includes an attachment portion, an engagement structure to engage a furring channel, and a shoulder disposed between the attachment portion and the engagement structure. The sound damping device has a spring rate of not greater than 12,000 kg/m. The sound damping device may be disposed between a support structure and a sheet material.