Single piece air bag with improved stress distribution
US5975571A · kind A · utility
26Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jul 17, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/2171
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inflatable air bag (20') having an inlet (24) adapted to be attached to a source of inflation gas (70), initially maintained in a folded configuration prior to being inflated, the air bag being rapidly inflated by the inflation gas creating certain stresses within the material, the air bag including a plurality of seams (90) formed along joined arcuate edges of a single piece of material (50), wherein the seams are arranged about the air bag at locations remote from the location of maximum stress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.