Patent · US Expired

Acoustic doorliner with integral water barrier

US6726980B2 · kind B2 · utility

15Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 2001
Grant dateApr 27, 2004
Priority date
Expiry dateNov 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.