Patent · US Expired

Foamed thermoplastic resin molding for automotive interior and production method thereof

US6977110B2 · kind B2 · utility

3Cited by
8References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 11, 2001
Grant dateDec 20, 2005
Priority date
Expiry dateNov 7, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24595
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a speaker grille-integrated foamed thermoplastic resin molding for automotive interior comprising a base portion and a speaker grille wherein at least the base portion has a foamed layer and the foamed layer in the base portion has a density ρ of not greater than 0.7 g/cm3 and an average expansion ratio of the speaker grille is 1 to 1.3 times, said molding being lightweight and being strong even in its speaker grille part so that it can be used as a speaker grille-integrated foamed thermoplastic resin molding for automotive interior such as a door trim and an instrument panel.

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