Multidensity liner/insulator
US6669265B2 · kind B2 · utility
52Cited by
69References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | May 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/30
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A liner/insulator includes a pad of fibrous material having a lofty, acoustically insulating portion and a relatively higher density skin along a first face thereof that may function as a water barrier. The acoustical liner is a non-laminate made from polyester, polyethylene, polypropylene, polyethylene terephthalate, glass fibers, natural fibers and any mixtures thereof. For certain applications the liner/insulator may incorporate a facing on one or even two opposing faces thereof. A method of insulating a door including an exterior body panel and an interior fascia panel as well as a door for a vehicle are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.