Patent · US Expired

Airbags and process of preparation

US6024380A · kind A · utility

13Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1997
Grant dateFeb 15, 2000
Priority date
Expiry dateDec 29, 2017

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD10B2401/063
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An airbag is prepared by: (a) providing a woven fabric by weaving polyamide filament of the same density in the warp and weft directions; (b) forming a low air permeability fabric by heat-setting the above woven fabric at a temperature less than 180.degree. C.; (c) forming a high air permeability fabric by heat-setting the above woven fabric at 190.degree. C.-220.degree. C.; and (d) sewing the high and low air permeability fabric together after locating the low air permeability fabric as the front panel, and the high air permeability fabric as the back panel.

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