B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 21/16 (2006.01)
Patent
CA 2259392
An airbag (10) for use in an occupant protection system has a venting mechanism which allows inflation gas to vent from the airbag only after a predetermined inflation pressure is attained. The venting mechanism includes a ventilation opening (30) and a sealing member (24) overlying the opening which inhibits the venting of the inflation gas. The sealing member has a frangible region (40) which remains intact below the predetermined inflation pressure, but which breaks open when the predetermined inflation pressure is exceeded.
L'invention concerne un airbag (10) pour système de protection des passagers, à mécanisme d'évacuation permettant au gaz de gonflage de s'échapper de l'airbag, uniquement après qu'une pression de gonflage prédéterminée soit atteinte. Le mécanisme comprend une ouverture (30) et un élément d'étanchéité (24) qui la recouvre pour empêcher la sortie du gaz de gonflage. L'élément d'étanchéité a une partie cassable (40) restant intacte au-dessous du seuil de pression prédéterminé, mais qui s'ouvre en se rompant lorsque la pression de gonflage prédéterminée est dépassée.
Cundill David James
Smith Stuart James
Breed Automotive Technology Inc.
Sim & Mcburney
LandOfFree
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