Airbags and process of preparation
US6024380A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1997 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Dec 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.