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US 2008/0157511 A1Published application
Airbag module
AssigneeTakata Corporation
InventorNaoki Soejima
Life of this patent
Estimating the term…
Abstract
A method for manufacturing an airbag cover may include a molding step for forming a molded airbag-cover body that includes an integrated combination of a top panel and a container, and a tearing-line formation step for post-processing the molded airbag-cover body obtained in the molding step to form a tearing line having a depth less than a panel thickness of the top panel. An ultrasonic machining device may be used in the tearing-line formation step to form the tearing line.
Claims13
An airbag module, comprising:
- a vehicle airbag;
- and
- an airbag cover comprising:
- a plate-like top panel for covering the vehicle airbag from a vehicle-cabin side;
- a container that is disposed on a reverse face of the top panel and that houses the vehicle airbag, wherein the top panel and the container are molded;
- and
- a linear groove on the reverse face of the top panel having a depth less than a panel thickness of the top panel such that material of the top panel is continuously present along the length of the linear groove at an area between the bottom of the groove and a side of the top panel opposite to the reverse face with the linear groove,
- wherein the airbag cover is configured to separate along the linear groove when the vehicle airbag inflates.
5 more elements
Dependencies are inferred from the claim text.