Acoustic baffle assembly
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United States of America Patent
Stats
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Mar 29, 2011
Grant Date -
Sep 10, 2009
app pub date -
Mar 6, 2009
filing date -
Mar 7, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
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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International Classification(s)
- A47B:TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS....
- B60J:WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR S....
- G10K:SOUND-PRODUCING DEVICES
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- E04B:GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTIT....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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