Patent · US Active

Light weight acoustic trim part

US10457225B2 · kind B2 · utility

2Cited by
11References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 2015
Grant dateOct 29, 2019
Priority date
Expiry dateJun 21, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG10K11/168
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Multilayer sound attenuating trim part for a vehicle, in particularly for a trim part or cladding used in the interior of a car, for instance as an inner dash or as part of the floor covering or for the exterior of a vehicle, for instance as a trim part or cladding in the engine bay area or as part of an under body trim part as well as to the method of producing a part, comprising at least two fibrous layers (10, 30) and at least one air permeable intermediate film layer (20) between the at least two fibrous layers, whereby all layers together have a variable thickness.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.