Gas generator, especially for an airbag
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 5, 1995
Grant Date -
N/A
app pub date -
Jul 22, 1994
filing date -
Jul 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gas generator, especially for an airbag of a vehicle having a cylindrical outer tube, open end faces of which are closed by cover elements, comprising an inner tube of smaller diameter which is arranged coaxially inside the outer tube and which has outflow openings, an ignitable gas-generating material inside the inner tube, filter elements in an annular space arranged between the inner tube and the outer tube, and an igniter unit for igniting the gas-generating material. In order to improve the damming and sealing of the outflow openings, there is arranged in the inner tube a rolled-up, self overlapping damming strip adjoining the wall at least partially. Also, the outflow openings are covered on the outside of the inner tube by a sealing strip having at least two mutually overlapping portions of differing widths.
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