Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Dan Jordan0
Tanya Estrin0
Michael Lupini0
Benjamin Howard0
Gary R. Duffin0
Date of Patent
March 29, 2011
Patent Application Number
12399128
Date Filed
March 6, 2009
Patent Primary Examiner
Patent abstract
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.
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