Airbag unit for a motor vehicle safety device and a related method of packaging an airbag
AssigneeAutoliv Development AB
InventorsKarin Ydrén, Dan Persson, Nathalie Ducrocq
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Abstract
An airbag unit for a motor vehicle safety device includes an inflatable airbag formed of flexible material and provided in a rolled and/or folded package. The inflatable airbag is held under compression by a cover extending around at least part of the package. The cover is formed of a molded pulp material and is configured to impart a predetermined stable shape to the unit. A method of packaging an airbag in such a manner is also disclosed.
Claims20
An airbag unit for a motor vehicle safety device, the airbag unit comprising:
- an inflatable airbag formed of a flexible material, the inflatable airbag in an uninflated condition selected from a group consisting of a rolled and a folded condition;
- and
- a cover holding the inflatable airbag in the uninflated condition under compression,
- wherein the cover is formed of a moulded pulp material, compresses the inflatable airbag in the uninflated condition and cooperates with the inflatable airbag to define a compressed package having a predetermined stable shape in the uninflated condition, and
- wherein the cover completely extends around at least part of the inflatable airbag in the uninflated condition and independently maintains the predetermined stable shape of the compressed package.
A method of packaging an airbag for a motor vehicle safety device, the method comprising:
- providing an inflatable airbag formed of flexible sheet material;
- rolling and/or folding the airbag;
- and
- providing a cover of moulded pulp material around at least part of the rolled and/or folded airbag via simultaneous application of heat and pressure to form a compressed package having a stable shape defined by the moulded pulp material.
Dependencies are inferred from the claim text.