Patent · US Expired

Air bag and method of construction

US6749220B1 · kind B1 · utility

42Cited by
23References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 16, 2001
Grant dateJun 15, 2004
Priority date
Expiry dateFeb 16, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2021/23595
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A safety apparatus including a rollover air bag to protect an occupant of a vehicle during the rolling-over of the vehicle, the rollover air bag comprising: first and second panels of woven material that has been coated on at least one side thereof to reduce the porosity of material to substantially zero, the panels sewn together along a first sewn seam to define an inflatable portion of the air bag; seam sealing means for sealing the first sewn seam so that the internal pressure of the air bag at about five (5) seconds from the time the air bag is initially inflated is about 35 Kpa (about 3.5 psi).

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