<p>An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart projections extending outwardly from the central portion. The projections are configured to control expansion of the mass.</p>
申请公布号
EP2262664(A4)
申请公布日期
2012.05.09
申请号
EP20090719150
申请日期
2009.03.06
申请人
HENKEL CORPORATION
发明人
DUFFIN, GARY, R.;HOWARD, BENJAMIN;JORDAN, DAN;ESTRIN, TANYA;LUPINI, MICHAEL