Back to results
US 2002/0117352 A1Published application
Apparatus for absorbing sound
OwnerGerald R. Veen, Marvin R. Mealmaninventors
Life of this patent
Estimating the term…
Abstract
A tunable sound absorber including a fibrous batt having a plurality of fibers and a film coupled to the surface of the fibrous batt, where the fibers penetrate the film to create perforations, and where the perforations transfer sound energy to the fibrous batt and the sound energy is absorbed by the fibrous batt.
Claims23
A sound absorber, comprising:
- a fibrous batt having a plurality of fibers;
- and
- a film coupled to a first surface of the fibrous batt, wherein a number of the plurality of fibers extend through the film, whereby a porosity in the film is created to permit sound energy to be conducted through the film into the fibrous batt.
A sound absorber comprising:
- a matting of fibers;
- and
- a film bonded to the matting, the film including a plurality of perforations having one or more of the fibers extending therethrough.
Dependencies are inferred from the claim text.