Claims
- 1. A vehicle trim panel having improved sound absorption characteristics which comprises:
- a foam core of varying density, said core having one surface of high density and a small cell structure and a second skived surface of low density and large cell structure, said cell structure at the skived surface further including numerous open cells to promote sound absorption; and
- a decorative layer placed over the skived surface, said layer allowing sound energy to pass therethrough for absorption within the open cells of the foam core.
- 2. The apparatus as set forth in claim 1 and further comprising:
- a facing material secured to the oppside side of the foam core from the decorative layer.
- 3. The apparatus as set forth in claim 1 wherein said foam core and decorative layer are arranged in a predetermined configuration, said configuration having been determined by a molding process.
- 4. The apparatus as set forth in claim 3 wherein the trim panel is a motor vehicle headliner.
- 5. The apparatus as set forth in claim 3 wherein the trim panel is an interior panel of a motor vehicle.
Parent Case Info
This is a division of application Ser. No. 034,457 filed Apr. 6, 1987, now U.S. Pat. No. 4,781,774.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3698993 |
Rauh |
Oct 1972 |
|
4469736 |
Machholz |
Sep 1984 |
|
4615411 |
Breitschecdel et al. |
Oct 1986 |
|
Foreign Referenced Citations (1)
Number |
Date |
Country |
53-54267 |
May 1978 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
34457 |
Apr 1987 |
|