Air-bag and a method of controlling pressure within an air-bag

Details Air-bag and a method of controlling pressure within an air-bag Air-bag and a method of controlling pressure within an air-bag

2005-12-23

2010-11-09

Ilan, Ruth (Department: 3616)

Land vehicles

Wheeled

Attachment

C137S843000, C137S844000, C137S859000

Reexamination Certificate

active

07828325

ABSTRACT:
An air-bag (1) is provided with a vent aperture (2). A membrane (3) extends across the vent aperture, the membrane defining a smaller aperture (4) than the vent aperture (2). The periphery of the aperture is defined by a thickened part of the membrane. The membrane is formed of an elastic material such as a silicone rubber material. When a very high pressure exists in the air-bag the vent becomes deformed, thus increasing the size of the aperture defined by the membrane, permitting a relatively large flow of air from the air-bag to reduce the pressure within the air-bag.

REFERENCES:
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patent: 20041681277 (2004-06-01), None

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