Acoustic doorliner with integral water barrier
US6726980B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Nov 18, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24994
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An acoustical liner with integral water barrier is provided. The liner includes a pad of fibrous material having a lofty, acoustically insulating portion and at least one heat-seared face of relatively higher density to provide water barrier protection. The acoustical liner is a non-laminate made from polyester, fiberglass, polypropylene and any mixtures 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 disclosed and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.