Inflatable bags for airbag passive restraint systems for front seat passenger and methods for manufacturing thereof
US5316337A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 25, 1993 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Mar 25, 2013 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05B39/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inflatable bag,for airbag restraint systems for a front seat passenger, of a quadrilateral prismoidal shape comprising a right-angled quadrilateral base portion adapted to face and receive the passenger by the extension of the bag upon deployment, a lip portion defining an opening for admitting gas from the system and adapted to be attached to a dashboard, upper and lower face portions, and lateral face portions having T-like or Y-like joints diverging from the lip to base portions and exhibiting a strap effect. The bag is made of a one-piece cloth, each outlining lateral side of which has longitudinally consecutive six sides of three triangular sections wherein two endmost sides and respective two adjoining sides have respectively an equal length, or longitudinally consecutive five sides wherein two endmost sides have an equal length and other two sides adjacent to the former have a total length equal to the length of a longitudinal side therebetween. When the cloth is longitudinally folded into two, the endmost sides are superposed and sewed together. Then, respective adjoining sides are superposed and sewed together, thus forming the Y-like joints and lateral face portions, o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.